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Installing the LRS-9424B

1. 79 Reviewing Historical Data 79 Database Storage Format 80 Database Maintenance 81 iv LRS 9424B lt Lightwave Chapter 8 Software Events and Alarms Software Events and Alarms 84 Power Failures see 9 eae Sega eed eee wale 85 Computer Power Failure 85 Chamber Electronics Power Failure 86 Database Events cesis nemus Se ee eae ee 86 CMM Processor Failure 86 Communications Events 86 Test EVOnIS 5I ek eR bes va pe x ieee eae Ghote aa eine 87 Events Email Configuration 88 Email Server Configuration 89 Chapter 9 System Maintenance and Upgrades Routine System Maintenance 91 Routine Fixture Maintenance 91 Temperature Sensor Calibration 91 Cleaning the Card Edge Electrical Contacts 92 Cleaning the Laser Diode Sockets 92 Chapter 10 Troubleshooting Troubleshooting Procedures 94 Appendix A Changing the Com
2. 7 Cautions and Warnings 8 Chapter2 Installation Installation Reguirements 9 Installation Procedure 11 Unpacking and Inspection 11 03_12 LRS 9424B i Chamber Installation 11 Computer Installation 12 Powering ON the System 12 System Validation 12 Chapter 3 System Fundamentals Powering On the System 13 Chamber and Electronics 13 Computer and Software 13 Function of the Door Interlock Switch 14 Operation of Control Measure Module Electronics 15 Software Fundamentals 15 Storing and Viewing Data 16 Events Alarms and Power Failures 16 Laser Diode Fixtures 16 Fixture Temperature Control 17 Controlling Fixture Temperatures 17 Chamber Exhaust Fan Operation
3. 40 Device VIEW sistaan eratu el PIER Gi kae a RE ER RR RE Er 41 Setpoint Overrides 42 Using the Control View 44 Using the Test View 44 Status Color Codes 45 Operations Interface 46 Running Tests List Differences 46 Test ViewDifferences 46 Restricted Areas icici ca vat ud peter x aed Pea dee Eon baie 47 Configuring and Running Tests How to Configure a Test 49 Device Type Configuration 49 Test Scenario Definition 51 Editing Test Scenarios 52 Creating New Test Steps 53 Execute Command Line 54 HACER 55 Monitored Burn in 57 Sampled Burn in Test 59 LRS 9424B iii Monitored System Check 61 Export to Microsoft 9 Excel 61 Run Support Application 63 Assign Device Types to Fixtures
4. 18 Support Services 18 Chapter 4 Fixtures Mechanical Overview 19 Identification cs esp ee aeg ot Re vu RR e RR ee 22 Loading Fixtures with Devices 23 Standard TO can Fixture 23 Front Facet Detector Array for TO Can Lasers 25 Fixture Status Indicator LED 27 Loading Unloading Fixtures into the Chamber 27 Fixture Temperature Control 29 ii LRS 9424B lt Lightwave Chapter 5 Chapter 6 03 12 ReliaTest Software Software Terms and Fundamentals 31 Starting the Computer and Software 32 Navigating the Software 32 Control VIEW 2 PReskraewde dake exes e Ged 34 System VIEW 1 wd heat A eee Dea RR eS oad 34 NAUSEUM 34 Using the System View 35 Chamber VIEW cies a aati AA eed eee ee teen een 36 Shelf Diagnostics 37 Fixture VIOW AA epe ted wee ie aeo ead Pe wed 39 Setpoint Overrides 40 External Photodetector Calibration
5. Using the Control View The system hierarchy is shown in a tree fashion in the Control View when the View Connected Instruments display is active Figure 5 7 shows an example of the tree Engineering Chamber B Engineering Chamber Shelf 1 LRS 9424 Fixture 1 4752 1235 Resistors Fixture 2 4352 1367 Resistors 3 5 Fixture 3 4350 0123 1 Resistors Fixture 4 3452 1111 Red Lasers B Engineering Chamber Shelf 2 LRS 9424 Fixture 1 4352 1028 ATP Test Fix Fixture 2 4350 1007 Fixture 3 Not Connected Fixture 4 Not Connected Figure 5 7 System Hierarchy in the Control View To navigate through the tree simply click on the instrument you wish to view This method also allows you to view individual fixtures and DUTs and the Test View updates accordingly The System View on the right side of the screen also updates as you click down through the tree Using the Test View The Test View is at the bottom of the main screen and displays information about the test that is currently highlighted in the Control View Tests can be selected from the View Configured Tests View Running Tests and View Historical Data sections of the Control View When a Scenario name is highlighted the Test View shows which instruments are assigned to that test as shown in Figure 5 8 Fixtures can be assigned and removed from Tests using the Add Selected Fixtures and Delete Fixtures buttons at the bottom of the test vie
6. Figure 7 4 One Timeline Two Fixtures A more complex situation occurs where SN 1320 for some reason cannot be used in the second test In this example assume the lasers were removed from SN 1320 and placed into SN 1321 These lasers were tested in the first test in fixture SN 1320 but tested in fixture SN 1321 in the second test ReliaTest first automatically matches SN 1307 between the two tests ReliaTest then assumes that the fixtures SN 1320 and SN 1321 should be matched together The fixture identity number is by default the fixture s model and serial number The user may apply a user identity number which would then be used by the graph to match the fixtures If ReliaTest cannot match the fixtures using the fixture ID it matches fixtures based on location in the shelf If two fixtures share the same physical location positions 1 through 4 ReliaTest matches the fixtures and append the data ReliaTest also matches data between tests that were run on different shelves following the same rules as notes above Displayed Graphs The check box preceding each timeline allows the timeline to be graphed The test data from the tests in the timeline are organized into the Displayed Graphs section Each item in the Displayed Graphs section represents a set of graph data for one device The check box on each graph item line enables the graph data for that device Enabled graphs are provided a color to help identify them in the graph scree
7. Delete Deletes the highlighted test scenario and any associated test steps or the highlighted test step 03 12 LRS 9424B 51 CONFIGURING AND RUNNING TESTS Editing Test Scenarios Upand Down Arrow Buttons Allows test steps to be reordered within a test scenario or test steps may be moved from one test scenario to another Click the New Test button in the bottom left corner to create a new test scenario A new test scenario item will be inserted at the top of the list of test Click on this new test scenario to display the related configuration information in the left side of the screen Test Name The user defined name of this test scenario This name must be unique among all of the predefined test scenarios This field is limited to 30 characters Author Name The optional name of the author of this test scenario This field is limited to 256 characters Default Device Type The optional default device type to utilize when this test runs A device type must be assigned in order for this test to be started from the Operations Interface Test Description The optional description of this test This information is displayed in the Operations Interface in the Select A Test dialog when the operator is starting a test on a shelf This field is limited to 512 characters Number of Actions The number of test steps that are contained by this test scenario Estimated Time To Complete The estimated time that
8. Power Failures event messages generated when the computer or chamber power fails Software Events caused by starting or stopping ReliaTest or general program errors Control Measure Module Events caused when the electronic hardware experiences a problem such as a processor error Communications Events caused when the control computer is no longer able to communicate with the CMMs Power Failures The LRS 9424B system is designed to handle power failures without loss of data and no damage to the devices being tested Computer Power Failure To prevent database corruption an Uninterruptable Power Supply UPS is supplied with the computer system Monitoring software runs in the background watching for power failures If a power failure occurs the UPS software will gracefully shut the computer down after one to two minutes After computer shutdown the UPS itself will shut down As long as the power failure duration exceeds two minutes the UPS will automatically restart allowing the computer to reboot If the power outage is less than two minutes in length the UPS will not automatically restart so tests will not resume until everything is restarted manually If the computer fails while tests are running the data for each test is retained in the CMM on board volatile RAM With 10 minute data collection intervals the CMMs have enough capacity for a minimum of three days of data storage The CMMs will continue running the burn in
9. Figure 5 10 General Software Options From the Engineering Interface choose System gt Options to access the General Software Options By checking Enable Password Protection the Operations Interface is restricted to operation only screens and information To access the restricted areas the user must enter the Engineering Interface If password protection is enabled the user will be prompted for the password to enter the Engineering Interface If the incorrect password is entered ReliaTest will log an event message to signify that an attempt to gain access was blocked The following areas or options are inaccessible from the Operations Interface The Database Configurations Dialog The General Software Options Dialog The Test Configuration Dialog The Device Type Configuration Dialog The Device Types Control View The Existing Tests Control View The Connected Instruments Control View The Default Running Tests Control View The Historic Tests Control View The System Events Control View Deletion of Historical Tests Singular and Multiples Restarting a Test From the Beginning LRS 9424B 47 RELIATEST SOFTWARE Operations Interface 48 LRS 9424B BILI Lightwave CHAPTER 6 CONFIGURING AND RUNNING TESTS L El mH El El EJ This chapter describes the steps required to configure and start a test This chapter refers frequently to Chapter 5 which describes each of the screens and functions i
10. SS User s Guide bility and Burn In Test System L RS 9424B do Lic wes A Newport Corporation Brand ILX Lightwave 31950 Frontage Road Bozeman MT U S A 59715 U S amp Canada 1 800 459 9459 International Inquiries 406 556 2481 Fax 406 586 9405 ilx custhelp com www newport com ilxlightwave 70037203 March 2012 TABLE OF CONTENTS L L L El w El E a a E Safety Information and the Manual vii General Safety Considerations vii Safety Marking Symbols viii International Contacts ix Comments Suggestions and Problems Chapter 1 Introduction and Specifications Product Overview 1 Initial Inspection 2 Installing the LRS 9424B 2 Physical Requirements 2 Electrical Requirements 3 Computer Network Requirements 3 Tour of the LRS 9424B System 4 Features ossa ede rus Sors Wwe sano e Rao CC Rx 6 Safety Considerations 7 Definition of Symbols
11. Data averaged lor 10 minutes belore each measurement inferval 12 Temprcahan Totpow NG Tecpersue Window NC Televarce Penod Socoridel Lew J Charges ere 00 quld hon a new eit i Aure CarcelChanges arent we aoche when a nem Ie Figure 6 6 Burn in Configuration Change se automate aly ehed when a res tes selected Even huron Figure 6 7 Burn in Configuration Advanced 03 12 LRS 9424B 57 CONFIGURING AND RUNNING TESTS Creating New Test Steps Burn In Name The user defined name of this test step This name does not need to be unique This field is limited to 30 characters Auto Generate Name When selected this option will automatically generate a consistent name based on the parameters entered into this test step Burn in Length The time in hours that the devices in test will be at the laser drive set point time is displayed in days hours minutes seconds below Measurement Interval The interval in minutes at which the measured parameters are reported minimum of ten minutes Measurement Averaging Span The time span in minutes over which data is averaged The averaged data is reported at each measurement interval Laser Control Mode The method to drive the devices ACC for automatic current control APC for automatic power control APC may be selected for the internal diodes or the external power detectors Laser Drive Set Point
12. The drive current that the devices under test are supplied Fixture Temperature Set Point The temperature set point of the fixture Temperature Window and Tolerance Period The temperature settling size and timing that define the when the test will begin The temperature must be stabilized within the Temperature Window for the entire duration of the Tolerance Period before the lasers will turn on Advanced Parameters Tab These advanced settings are optional and do not need to be configured Laser Output Configures the lasers to shut off or remain on after the end of the test The lasers maybe configured to remain on up to 3 minutes after the burn in test length has expired This option may be useful when running multiple burn in tests in succession With this option set to Leave Lasers On After End Of Step the lasers will remain on as the next test step commences This option allows a string of test data to be recorded at different measurement intervals or temperatures without shutting the lasers down between tests e Setpoint Override File The setpoint override file which will be assigned to the fixture during this test 58 LRS 9424B iit lt Lightwave CONFIGURING AND RUNNING TESTS Creating New Test Steps Sampled Burn in Test The sampled burn in test is a long burn in with periodic LIVs occurring during the test The sampled burn in allows for different temperatures between the burn in test and the inte
13. 2700 In Laser Drive Voltage Limit Fixture High Temperature Limit C 60 00 In High Temperature Limit Fixture Low Temperature Limit C 10 00 In Low Temperature Limit Device Limits Laser External Power Calibration Information Laser Wavelength nm 670 User Calibration Factor 1 Device Configuration Laser Photo Diode Photo Diode La t Pin Out Options A Common Common Photo Diode Laser Photo Diode p 4 Wea New Device Type Copy Delete Figure 6 1 Device Type Configuration Devices attributes that must be configured are Device type name typically the device model number Device current voltage and temperature limits Typically determined by the DUT product characteristics The LRS 9424B software and firmware control system will prevent these limits from being exceeded during operation Laser safety shut off criteria If any of these conditions occur the laser will be switched off and an event message generated Device pin out assignment The four device configurations accommodated by the standard fixture and CMM circuitry These options may be different for custom device fixtures 50 LRS 9424B lt Lightwave CONFIGURING AND RUNNING TESTS Test Scenario Definition Laser wavelength Usedin conjunction with the external photodiode array calibration file specified in the Fixture View shown in Figure 5 6 If
14. 404 C 2 Started On 3 6 2007 at 5 39 19 PM LDV V Temp Dec TEC Effort 0 1 092546 39 69898 1 092241 39 75999 1 092535 39 73532 1 09272 39 72989 1 092793 39 72961 1 092793 39 71719 1 092834 8 1 092773 39 70215 1 092813 2 1 092818 7 1 092667 39 70646 1 092813 39 71506 1 092844 39 7095 1 092856 39 70567 1 092896 39 73042 1 092898 39 69881 1 092823 39 70344 1 092806 39 68835 1 092818 39 69305 1 092849 39 70903 1 092811 39 59273 1 092716 39 59215 190801 30 ROE 602 587 610 289 613 991 615 174 616 049 616 42 616 458 617 741 618 666 618 599 617 182 617 724 519 245 519 02 619 674 618 599 5619 524 620 249 519 445 619 899 619 091 600145 F Device 02 Time Stamp 3 6 2007 17 49 3 6 2007 17 49 3 6 2007 17 59 3 6 2007 18 09 3 6 2007 18 19 3 6 2007 18 29 3 6 2007 18 39 3 6 2007 18 49 3 6 2007 18 59 3 6 2007 19 09 3 6 2007 19 19 3 6 2007 9 3 6 2007 19 38 3 6 2007 19 49 3 6 2007 9 3 6 2007 9 3 6 2007 9 3 6 2007 9 3 6 2007 9 3 6 2007 9 3 6 2007 20 59 3 6 2007 21 09 aiDnnz 21 19 LOI A LDV v Temp Dec TEC Effort 1 072405 39 90584 1075151 39 55031 1 07405 39 87791 1 073962 39 89938 1 073831 8 1 073894 39 91265 1 073821 39 89305 1 07388 39 87093 1 073961 9 1 0738 39 66566 1 073895 39 856555 1 073811 39 92615 1 073782 39 90817 1 073907 39 92503 1 07387 39 84737 1 07376 39 89847 1 073851 89 20 1 073826 39 91471 1 073941 39
15. 65 Starting a Test Scenario on a Fixture 66 Removing Fixtures from a Test 68 Pausing and Restarting Tests 69 Pausind a Test wees wae wee kee oe eee ee 69 Restarting a Paused Test 69 Completing a Test 69 View Running Tests 69 Viewing Historical Tests 70 Loading a Fixture Incompletely 70 Chapter 7 Viewing Data and Data Management Graphing Test Data 71 Selecting Test Scenarios or Test Steps to Graph 71 Tests and Timelines 72 ANoteonAppendingData 73 Displayed Graphis scs eere aa de kee dA 74 Printing and Saving Graphs 75 Exporting Tests to CSV Files 75 CSV File Format ios seduce KA ee er ERR EXE 75 Manually Exporting Tests to Microsoft Excel nnua nnana anann 76 Database Management 78 User Authentication and Licensing 78 CreatinngaNewDatabase 79 Deleting a Database
16. Any shelf with an installed CMM but with no fixtures will be visible with white boxes indicating open positions within the shelf The exhaust fan installed in the chamber may be manually configured to run at four different speed settings off low medium and high ReliaTest maintains the configured speed between system power down events tt Chamber View 6 Fixtures 192 Devices Engineering Chamber 15 Falled Devices 17 Eyent Messages Chamber Door Closed 5 Running Tests 0 Completed Tests Exhaust Fan Medium 1 AA Change Exhaust Fan 2 Show Color Legend Figure 5 3 Chamber View 36 LRS 9424B lt Lightwave RELIATEST SOFTWARE Using the System View Shelf Diagnostics The Shelf Diagnostics provide detailed information about the status of a specific CMM The Shelf Diagnostics may be accessed by selecting Help gt Shelf Diagnostics as shown below ai ILX Lightwave ReliaTest System View Edit Help 9 al V About ReliaTest 8 1000Hr Bum MAGE Chamber View at Engineering Chamber Engineering Chamber Shelf 2 LRS 9424 10 10 0 238 1 at Engineering Chamber 15 Failed Devices Generate Diagnostics File BY Quick Sys Check 1 9 2006 2 13 51 PM m 17 Event Messages Chamber Door Closed 8 4 1000H Bumin 1 3 2006 2 15 04 PM 5 Running Tests 0 Completed Tests Exhaust Fan Medium E 24hr Bumin 1 9 2006 2 24 35 PM J K17LA Characterization
17. Serial Number Fail This Device ACC mA APC Internal u4 APC External mw Laser Drive Output is on Last Measurement Average of Limit the Last 10 Drive Current 37 40 0 00 50 00 m Voltage V Monitor Photodiode Current ud External Photodetector Power 546 65 mw Fixture Temperature Figure 5 5 Device View During a test a device may fail due to an open or short circuit or due to exceeding one or more of the limits set for the device This information will be displayed in the Device View A device may be manually failed as well by clicking on the Fail This Device button If this is done a dialog box will appear so an explanation for the failure may be given This information is recorded in the test event log The Device View also displays recently gathered test data for the displayed device The Burn in Measurements button allows the user to query new data on demand 03_12 LRS 9424B 41 RELIATEST SOFTWARE Using the System View Setpoint Overrides Modifications to test setpoints may be made on a device by device basis through the Setpoint Override section of the Device View As its name suggests any value entered in any of the fields shown in the Setpoint Override section will be used for a given type of test for that specific device Setpoint overrides may be assigned to a fixture device or to a test This section describes how to assign the fixture or device To
18. 2 APC External mW 3 LaserDriveSetPoint float in mA PdBiasSetPointV float WasUserAborted int Boolean LastMeasurementTime datetime DataPointsFileName varchar 512 LeaveOnOutputAfterAction int Boolean IsBurninAlreadyRunning int Boolean TempToleranceTime bigint in ticks TimeToleranceC float NumDataPoints int AveragingSpan bigint in ticks Figure 7 7 Database Schema BILI Lightwave VIEWING DATA AND DATA MANAGEMENT Database Storage Format Test Scenarios inning Histori The difference between a Configured test and a Running or Historical test is that DateTestParentWasStarted contains a valid date The difference between a Running and Historic test is the value of sDataHistorical SQL Query for Only Configured Tests SELECT FROM TestScenario WHERE DateTestParentWasStarted 1900 01 01 00 00 00 SQL Query for Only Running Tests SELECT FROM TestScenario WHERE NOT DateTestParentWasStarted 1900 01 01 00 00 00 AND IsDataHistorical 0 SQL Query for Only Historic Tests SELECT FROM TestScenario WHERE NOT DateTestParentWasStarted 1900 01 01 00 00 00 ANI IsDataHistorical 1 Loading Test Steps and Fixture Device Data All Test Steps and Fixture Device Data tables contain two fields which allow for selecting the rows which apply to a specific Test Scenario A TestParentName B DateTestParentWasStarted There cannot exist two Test Scena
19. 3400Nlk Database Name RelisTestDB v Require Server Authentication Windows Authentication Windows User Login O Server Authentication Add Database Delete Database Figure 7 6 Database Configuration Window User Authentication and Licensing The database server requires user authentication in order to be accessed Authentication may be either SQL Server based or Windows login based If SQL Server is used you must have proper licensing arrangements in order for ReliaTest to access the database Enter the User Name and Password in the areas provided in this window To enable multiple users to utilize ReliaTest configure the server to use a User Name and Password This can be configured using the SQL Management Studio that is provided with the system computer Lightwave lt 03 12 VIEWING DATA AND DATA MANAGEMENT Reviewing Historical Data If the secondary database is Windows based the user name and password that are used to log into the computer will be sent to the server and used for authentication By default the Windows Authentication method should be selected Creating a New Database ReliaTest is designed to operate with a single database The database must be located on the PC on which ReliaTest is installed If data is to be stored in a database other than the default a new database must be created From the Database Configuration window disable the existing database
20. 9424B lt Lightwave PD Set Point Overrides txt Notepad File Edit Format View Help RELIATEST SOFTWARE Using the System View Reliarest override Setpoints Device Number APC Internal uA APC External mw ACC Device Number APC Internal uA APC External mw ACC Device Number APC Internal uA APC External mw ACC Device Number APC Internal uA APC External mw ACC Device Number APC Internal uA APC External mw ACC Device Number APC Internal uA APC External mw ACC Device Number APC Internal uA APC External mw ACC Device Number APC Internal uA APC External mw ACC Device Number APC Internal uA APC External mw ACC Device Number Figure 5 6 Setpoint Override File The different button functions as shown in Figure 5 4 are described below 03 12 Clear Removes any setpoint overrides that have been entered and any setpoint file from View Opens the default viewer for text documents typically Notepad to allow the setpoint override file to be edited Load Opens file browser to allow previously saved override files to be loaded Save Saves any existing setpoint overrides into a configuration file for future use the file format is text file if no overrides have been manually entered this button will save a blank template to be edited later LRS 9424B 43 RELIATEST SOFTWARE Using the Control View
21. Restart From Pause Resuming from the paused point will resume the test at the same point it was paused restarting from the beginning will resume from the beginning of the entire test scenario and delete any data already stored in the database While the test is resuming the restart icon shown on the left will appear next to the test name Once the test is successfully restarted the icon will change to running again Completing a Test Fj When a test has completed the Running icon changes to the Test Complete icon shown on the left The completed test scenario remains listed in the Running Tests view for 24 hours after the test has completed When this time has elapsed the test is removed from the Running Tests view and moved to the Historical Tests view Tests that have been moved may be viewed by clicking on the View Historical Test button Any test that has been manually paused or stopped due to an error will not be moved from the Running Tests View View Running Tests Click the View Running Tests button in the Control View to display a list of all tests that are presently running under the control of ReliaTest The status for each test can be viewed by clicking on the test scenario or step name the information will appear in the Test View at the bottom of the main Screen 03 12 LRS 9424B 69 CONFIGURING AND RUNNING TESTS j Viewing Historical Tests Viewing Historical Tests Click the View Historical Tests button vi
22. Test Data same time as another test may not share the same timeline Tests that were executing at different times may share the same timeline Figure 7 3 Test Colors In Figure 7 3 the red test bar indicates that the test may not be placed on that timeline The light beige bar indicates a burn in test The light blue bar indicates an LIV test LIV and burn in tests may not share the same timeline A Note on Appending Data When appending data from two tests in the same timeline ReliaTest must relate the data from the first test to the data in the second In Figure 7 4 there are two fixtures that were used in the same two consecutive burn in tests ReliaTest uses the fixture s identity number to match the data from fixture SN 1320 in the first test to fixture SN 1320 in the second test ReliaTest also matches fixture SN 1307 between the first and second tests 03_12 LRS 9424B 73 VIEWING DATA AND DATA MANAGEMENT Graphing Test Data UL Graph ILX Lightwave ReliaTest See X lt lt Eul Screen Print _Print Preview As JPEG Test Timelines 9 17 2007 2 53 49 PM 9 17 2007 3 18 21 PM Timeline 1 O 2hr ACC 14 25C 9 17 2007 at 2 53 49 PM 0 2hr ACC 14 25C 9 17 2007 at 3 06 08 PM Timeline 2 Displayed Graphs Test Name evicePo Device Name s 7 Check All
23. View ad Top View Figure 2 1 Overall Chamber Dimensions 10 LRS 9424B lt Lightwave INSTALLATION Installation Procedure The following physical clearances are required for the LRS 9424B chamber Minimum Side Clearance 10 cm 4 on each side Minimum Back Clearance 2 5 cm 1 Minimum Front Clearance 100 cm 40 Minimum Top Clearance 30 cm 2 The specified back clearance is for operation of the LRS 9424B If maintenance or upgrades need to be performed on the instrument a minimum of 60cm 24 is required to access the electronics bay This clearance can be achieved by pulling the LRS 9424B out of its operational location temporarily after maintenance is completed the chamber can be pushed back Installation Procedure Unpacking and Inspection Carefully remove the packing from around the LRS 9424B and inspect the chamber base and cowling for any signs of physical damage or impact Next unbolt the base from the pallet install the feet and place the system near its final location The feet are packaged with the system accessories The base of the chamber in its final location must be within 1 meter 3 of the power supply circuit connector Open the boxes containing the control measure modules CMMs and the laser fixtures but DO NOT remove these components yet from the ESD protective packaging Inspect the components and packaging for any signs of breakage or damage F
24. by unchecking the Enable Database option Click on the Add Database button select the SQL Server or MSDE Database option and click OK Enter the server name in the box provided The Default Server Name is the computer s name followed by SQLExpress Next enter a new database name in the box provided The database name may be anything descriptive Figure 7 6 shows how the server and database names are divided Next make sure Enable Database and Require Server Authentication are checked Close the window and then close and restart ReliaTest Once ReliaTest is running the new database should be enabled Deleting a Database Databases may be deleted at any time by selecting the database name from the list shown and clicking Delete Database This function will only delete the ReliaTest reference to the database The data files still reside on the computer the data is never deleted by using the Delete Database function Data will no longer be stored to database references that have been deleted You cannot remove the primary database If the primary database becomes unavailable either because it is deleted is full or for some other reason then the software will not be able to run tests until the primary database is restored Reviewing Historical Data Historical data is accessible by clicking the View Historical Test Data button vj at the top of the Control View section of the main screen All tests for which data is available will be displ
25. in Test Export to Microsoft 9 Excel Run Support Application Click on the type of test you want to create and then click OK The right side of the Test Configuration window will change according to the type of test you select and each is described below 03 12 Adding a New Test Step Type aa Execute Command Line Please select a type of test step Export To Microsoft Excel Worksheet LRS 9424 LIV LRS 9424 Monitored Burn in 145 3424 Sampled Burn in Test 145 3424 System Check A Short Burn in Run Support Application Figure 6 3 Adding a New Test Step Type LRS 9424B 53 CONFIGURING AND RUNNING TESTS Creating New Test Steps Execute Command Line The Execute Command Line configuration screen is shown in Figure 6 4 This feature is used to open or run any file including external application programs You can choose to wait until the other program has been closed before moving on to the next step or the next step can begin immediately after the external application program is called This function can be used to run an external program to analyze test data print a data file or report or perform other analysis or system control functions Ted Step Name Aclicaton Path a Command Arguments Figure 6 4 Execute Command Line Configuration 54 8 lt Lightwave CONFIGURING AND RUNNING TESTS Creating New Test Steps LIV An LIV test is a method of characterizing laser diodes It is a t
26. in the Control View to display a list of all tests that have been moved to the historical test list Any completed test scenario will be moved to the historical test list 24 hours after it has been completed Any test that has been aborted either manually or due to an error will not be automatically moved Any completed paused or aborted test scenario in the Running Tests view may be manually moved to the historical test list This is possible by right clicking on the test scenario and selecting the Move To Historic Test List menu option Loading a Fixture Incompletely The ReliaTest software assumes that each fixture is fully loaded with devices at the beginning of a test scenario Once the test begins the empty devices will fail as open circuits and the software will no longer record data on those positions The failed devices will flash red and an error event will be logged Clearing the logged events or marking them as read will cease the flashing indicators refer to Chapter 8 for more information on clearing logged events 70 LRS 9424B IU lt Lightwave CHAPTER VIEWING DATA AND DATA MANAGEMENT 3 3 B El H Bl E zi The ReliaTest software offers a variety of methods for viewing and reporting the data generated during LIV or burn in tests ReliaTest normally records test data to a database and includes a graphing feature for tracking device performance while tests are running but also allows you
27. name and then press ENTER c Double click the newly created key and then type your password in the Value Data box If no DefaultPassword string is specified Windows automatically changes the value of the AutoAdminLogon key from 1 true to 0 false to disable the AutoAdminLogon feature 5 Double click the AutoAdminLogon entry type 1 in the Value Data box and then click OK If there is no AutoAdminLogon entry follow these steps to create the entry d On the Registry Editor menu click Edit click New and then click String Value e Type AutoAdminLogon as the value name and then press ENTER f Double click the newly created key and then type 1 in the Value Data box 6 Double click the DefaultDomainName entry type the network domain that the computer will use the user account to authenticate on 7 To enforce this setting for all future logoffs set the following registry key KEY LOCAL_MACHINE SOFTWARE Microsoft WindowsNT CurrentVersion Win logon Value ForceAutoLogon Type REG SZ Data 1 8 Quit Registry Editor 9 You must restart the computer in order for the changes to take affect 10 After your computer restarts and Windows starts the PC will log on automatically 98 LRS 9424B iit iLX Lightwave Configuring PC to Automatically Boot Into Windows Vd Automatically Starting ReliaTest The PC is configured at ILX Lightwave to automatically start ReliaTest when Windows 7 starts This feature is enabled
28. order to access and back up the test database The PC is configured to automatically boot and resume testing after a power outage It is recommended that the user account have limited network permissions and that the password be nonexpiring Username for computer Password 03_12 LRS 9424B 103 104 LRS 9424B lt Lightwave APPENDIX C CUSTOM FEATURES mH iit lt Lightwave LRS 9424B 105 106 LRS 9424B lt Lightwave APPENDIX D SPECIFICATIONS iit lt Lightwave LRS 9424B W 107 108 8 LRS 9424B lt Lightwave
29. product is NOT protected against the harmful ingress of moisture Class Equipment grounded type Mains supply voltage fluctuations are not to exceed 10 of the nominal supply voltage Pollution Degree 2 Installation overvoltage Category II for transient overvoltages Maximum Relative Humidity lt 80 RH non condensing Operating temperature range of 23 C 5 C Storage and transportation temperature of 25 0 to 65 C Maximum altitude 3000 m 9843 ft This equipment is suitable for continuous operation Safety Marking Symbols This section provides a description of the safety marking symbols that appear on the instrument These symbols provide information about potentially dangerous situations which can result in death injury or damage to the instrument and other On In position of a bistable push control The slash 1 only denotes that mains are on Off Out position of a bistable push control The circle O only denotes that mains are off components Caution Earth Alternating Visible and or refer to ground current invisible laser manual Terminal NU radiation Caution risk Protective Caution hot Frame or of electric Conductor surface chassis shock Terminal Terminal or I or 0 viii LRS 9424B Lightwave lt WARRANTY ILX LIGHTWAVE CORPORATION warrants this instrument to be free from defects in material and workmanship for a period of one year f
30. set a setpoint override in the Device View click on the appropriate override parameter box to place the cursor there Enter the appropriate value and click on the Set button The Set button must be clicked in order to store the value Use the left and right arrow buttons to move from DUT to DUT to set their specific override values Setpoint overrides do not function in L I V tests The setpoint overrides must be entered prior to starting a test If the fixture is presently being used in a running test this option will be grayed out and unavailable Once an override has been entered for a specific device it will remain active for as long as the fixture remains installed in the chamber This means that after one test scenario has finished with overrides active any additional test scenarios run on this fixture will be run using the same override values In order to manually remove the overrides highlight the override value delete it from the parameter box and click on the Set button Entering zero for the override simply enters the value of zero as the setpoint override After a set of overrides has been manually entered they may be saved for future use This option is available from the Fixture View Figure 5 4 in the section Setpoint Overrides as well Clicking on the Save button will open a dialog box to specify the location where a text file containing the overrides should be saved A sample override file is shown in Figure 5 6 42 LRS
31. test scenario which contains a list of the events that occurred during the test To export the test data right click on the test scenario or test step and select Export to CSV from the drop down menu Choose a destination folder for the CSV data and ReliaTest exports the data Using this method the data for the entire test scenario or only the data from the single test step may be exported CSV File Format The CSV file format is a comma separated file The file is specifically formatted to assist with automated file parsing The format of the file such as positions of labels and values will be maintained as strictly as possible as ReliaTest is upgraded in the future This is done to prevent such changes from affecting any customer configured file parsers An example of a CSV formatted file is shown in Figure 7 5 LRS 9424B 75 76 LRS 9424B amp Microsoft Excel Shelf 1 LRS 955x csv i Ble gdt View Insert Format Tools Date Window ACT Heb 1 6 6 2007 5 49 46 PM 4 VIEWING DATA AND DATA MANAGEMENT Graphing Test Data B 6 E 3 _ Finished On 3 7 2007 at 5 40 13 AM 4 ACC Burn in 5 Total Burn in Length Hours 12 3 6 2007 18 19 17 3 6 2007 18 23 18 3 6 2007 18 39 3 6 2007 18 49 3 6 2007 18 59 3 6 2007 19 09 33 3 6 2007 21 09 3113600171 1a M gt Shelf 1 LRS 955x Ready 10 20 40 E Burn in CSV Information for Test Step 12 0hr ACC 20A
32. the Control View will bring up a view similar to that shown in Figure 5 4 The ReliaTest software identifies fixtures through the use of a serial number and fixture ID stored within the EEPROM located on the fixture circuit board The fixture ID can be a name as descriptive as required and can be changed by clicking on the Assign ID button If a fixture will only be used with a certain device type the fixture ID can be modified to show what types of devices are being tested The fixture ID can only be changed when the fixture is NOT being used in a currently running test If the fixture is in use the Assign ID button will be grayed out and unavailable e t Fixture View Engineering Chamber 1 Fixture 4 3452 1111 Red Lasers 32 Devices 1 Failed Devices 1 Running Tests 2 10 666066060 0 Event Messages 0 Completed Tests waa 0 2050 20 20 290 29 29 29 6 79 0 5 0 v0 50 Serial Number 3452 1111 Device Type Red Lasers Max 70 C Fisture ID Red Lasers Fixture Temperature C 38 37 Measured 1 9 2006 3 46 02 PM Setpoint Overrides No setpoint file has been loaded External Photodetector Calibration Default InGaAs Figure 5 4 Fixture View The Fixture View also displays the fixture temperature while in standby mode and when a test is running A timestamp shows how current the measurement is 03 12 LRS 9424B 39 RELIATEST SOFTWARE Using the System View Se
33. this test scenario requires to finish User Defined Fields Customizable fields that will be displayed to the operator when this test starts The operator is required to enter a value into each active field before the test will start Typical use of these fields maybe to prompt for the operator s name the batch number of the devices in test or perhaps the sales order number for the devices under test This information is always available after the test has started in the Custom User Information tab within the Test View This information is exported to the test scenario CSV file Editing Test Scenarios To edit an existing test scenario from the Control View right click the test scenario you want to modify and then select Edit Test Test scenarios can also be edited by clicking on the test name in the Test Configuration window The right side of the Test Configuration window will show the information relevant to the selected test 52 8 lt Lightwave CONFIGURING AND RUNNING TESTS Creating New Test Steps Creating New Test Steps To add a test step to a scenario first click on the test scenario name Then click the New Test Step button in the bottom left corner of the Test Configuration window the Adding a New Test Step Type window will appear Figure 6 3 Click to select the type of test you want to execute in that test step Execute Command Line Monitored Burn In Monitored System Check LIV Test Sampled Burn
34. 1 9 2006 2 25 56 PM BY 1000Hr Burn in 1 9 2006 2 26 11 PM E f 1000Hr Burin 1 9 2006 2 29 21 PM Bef 24h Burr 2 30 23 PM By Ki 712006 2 31 02 PM Change Exhaust Fan Show Color Legend 1 WA The diagnostics window provides important information used to verify system identification and operational integrity The majority of the information displayed in the diagnostics window is intended for use by an ILX representative The CMM serial number and the CMM calibration date are significant details in the diagnostics window 1 LRS 9400 Diagnostics Identification Model Number LRS 8400 Serial Number 3221250 Shelf Number 0 Chamber Name Shelf System Information Shelf Time 7 6 2005 5 04 55 PM The shelf time is only queried every 2 seconds Fisture 1 SNE Model amp S N t Engineering Chamber User ID 9400v1 30 4 7 5 2005 Firmware Version Fi 2 A 3 ixture 2 CMM Calibration Date Model amp S N User ID 4742 ENG Network Information IP Address 10 10 0 226 Fixture 3 Model amp S N t System Port User ID Alert Port 3005 Connected 3006 Connected Fixture 4 Model amp S N t User ID Chamber Door Open Actions The chamber door is normally configured to shut off all of the lasers when the door is opened This feature can be disabled for convenience System Voltages O Shut Off Laser Output When Door Opens Leave Lasers On When Door Opens E
35. 1000Hr Burn in P gt 1000Hr Burn in gt 24hr Bumin 5 I ACC Burn in 60 C Time Left 998 5 hours 41 days 14 hours and 30 minutes Resumed 1 9 2006 3 42 25 PM Complete 2 20 2006 6 16 05 AM S Event Messages Burn in Length 1000 hours 41 days and 16 hours Number Of Data Points 62 Executed Lenath 1 49 hours 1 hour and 29 minutes Time of Last Data Point Measurement Period 1 hour Average LDI m lt No Data Averaging Length 1 hour f A MPDI u lt No Data gt Temperature Setpoint CJ 45 00 Test View M EE Tinte Temperature Settling Within 100 00 C for 0 seconds pros SETS CCL lt No Data gt Control Mode ACC pe i Current Source Setpoint 10 00 m Photodiode Bias V 0 0 Waiting for the next measurement to be taken Figure 5 1 Software Main Screen 03_12 LRS 9424B 33 E RELIATEST SOFTWARE 3 Navigating the Software Control View The Control View in the upper left side of the main screen displays information relative to controlling the system The six buttons in the top left corner of the Control View are used to access the different functions described below a Device Type Configuration Test Configuration 1 amp mt Instrument Information Running Tests Historical Test Data Events and Alarms System View The System View presents specific information on the entire chamber each shelf each fixture and each device Instruments can be view
36. 424B 81 VIEWING DATA AND DATA MANAGEMENT Database Storage Format 82 LRS 9424B BILI Lightwave CHAPTER 8 SOFTWARE EVENTS AND ALARMS i B El El El El El 5 E El E3 ReliaTest records and reports information on events that may impact the 4 test data or test performance The events can be divided into two major groups system events and test events The system event log can be viewed by clicking the View Events button in the upper left portion of the screen The test event log is viewed by first selecting a test scenario from either the currently running test list or the historical test list and then selecting the Events tab Each test event is time stamped for reference Test events are not visible if an individual test step is highlighted ReliaTest can also be configured to send email alerts when specific types of events occur Examples of system events and test events are shown in Figure 8 1 Lightwave LRS 9424B 83 lt SOFTWARE EVENTS AND ALARMS Software Events and Alarms Software Events and Alarms AH ILX Lightwave ReliaTest Hee System View Edit Help 9 E28 fg Events Lis t Chamber View i Date amp Time Category Description Engineering Chamber 1 17 2006 9 32 31 AM None Shelf 2 LAS 942 B Fixtures 176 Devices 1 17 2006 10 21 40 AM None Failed to backup 1 17 2006 10 21 45 AM None ReliaTest has ste ae p 6 s 0 Mrd P go en TE 1 17 2006 10 21 4
37. 7 AM None The exhaust fan ee tli Mauke ca 1 17 2006 10 22 30 AM None Engineering Cha i 1 17 2006 10 23 22 AM Engineering Cha System Event Lis 1 17 2006 10 24 13 4M Engineering Cha Change Eshaust Fan Engineering Cha Engineering Cha Engineering Cha ReliaTest has ReliaTest has Shelf 1 LRS Shelf 1 LRS ReliaTest has ReliaTest has 1 17 2006 1 23 34 PM Engineering C 1 17 2006 2 06 55 PM None ReliaT est has v gt zi Fi Excel Test Time Left O hours No time Started 1 13 2006 4 33 25 PM Complete 1 13 2006 4 38 28 PM 29 Event Messages 23 Failed Devices 3 Fixtures 7 Events Fixtures In Test 89 Failed Devices Date amp Time Cate Description Test Event List 1 13 2006 4 33 28 PM General Bumin has started 1 13 2006 4 33 34 PM General 51 F1 Resistors w PD Load Device 04 Laser drive shut off on 1 13 2006 at 4 33 33 PM because the laser drive circuit is an open c 1 13 2006 4 33 34 PM General F1 Resistors w PD Load Device 05 Laser drive shut off on 1 13 2006 at 4 33 33 PM because the laser drive circuit is an open c General F1 Resistors w PD Load Device 06 Laser drive shut off on 1 13 2006 at 4 33 33 PM because the laser drive circuit is an open c General F1 Resistors w PD Load Device 07 Laser drive shut off on 1 13 2006 at 4 33 33 PM because the laser drive circuit is an open c 1 13 2006 4 33 34 PM General F1 Resistors w PD Load Device 09 Laser drive shut o
38. 91661 1 073935 39 89447 1 073824 7 1 07389 39 89021 1 0727567 39 R8O57 603 599 610 445 612 704 614 395 617 099 615 695 617 141 618 366 618 979 617 766 618 287 618 733 619 049 618 012 619 956 619 057 620 087 620 291 618 661 620 195 618 737 KIA 033 Figure 7 5 CSV Formatted Data File Device 03 Time Stamp 3 6 2007 17 49 3 6 2007 17 49 3 6 2007 17 59 3 6 2007 18 09 3 6 2007 18 19 3 6 2007 18 29 3 6 2007 18 39 3 6 2007 18 49 3 6 2007 18 59 3 6 2007 19 09 3 6 2007 9 3 6 2007 9 3 6 2007 19 39 3 6 2007 19 49 3 6 2007 9 3 6 2007 20 09 3 6 2007 20 19 3 6 2007 9 3 6 2007 9 3 6 2007 20 49 3 6 2007 20 59 3 6 2007 21 09 anon 1 2 av NUM The CSV formatted files are automatically recognized by Microsoft 9 Excel If Microsoft 9 Excel is installed double clicking the file will open Microsoft 9 Excel Each label or value is parsed into individual cells in the worksheet Manually Exporting Tests to Microsoft 5 Excel The CSV data from any ReliaTest test may be exported directly to a Microsoft 9 Excel workbook The data for each test is placed respectively in individual worksheets in the workbook ReliaTest offers two methods to export test data to a Microsoft amp Excel workbook the first method is by the Export to Microsoft 5 Excel test step as described in Chapter 6 The second method is in manually dragging tests into the Microsoft 9 Excel Export icon on the main window The Microsoft Ex
39. 92 168 0 253 Fixture 3 Model amp S N 4352 1334 System Port 3005 Connected User ID Toshiba TOLDS200 Alert Port 3006 Connected Fixture 4 Chamber Door Open Actions Model amp S N 8 4352 1335 The chamber door is normally configured to shut off all of the VS lasers when the door is opened This feature can be disabled for convenience Q Shut Off Laser Output When Door Opens Leave Lasers On When Door Opens Ground Event messages indicating the door was opened and closed 12 5V Supply are logged in either case If lasers are configured to shut off 25 the tests will resume when the door is closed uppl 5V Digital Supply System Voltages Leaving the lasers on while the door is open is a potential safety hazard Please take the necessary precautions 48V Supply All of the shelves in the chamber will be updated to 5V Analog Supply the same value 5V Analog Supply Voltages ate updated every 5 seconds Figure 10 1 System Diagnostics Screen Lightwave LRS 9424B W 93 lt TROUBLESHOOTING Troubleshooting Procedures The effects of door openings and closings on currently running tests can be changed in the Diagnostics screen As shipped from the factory the door interlock will not pause any currently running tests If this action is required for safety reasons clicking on the Shut Off Laser Output radio button will enable it Troubleshooting Procedures Most of the errors that occu
40. 9424B 7 INTRODUCTION AND SPECIFICATIONS Safety Considerations Cautions and Warnings The LRS 9424B is designed to be very easy to operate with a minimal number of moving parts no user accessible electronics or other potentially dangerous components WARNING Fixture covers have been provided with each device fixture to minimize exposure to potentially hazardous optical radiation while a test is running Ensure one of these covers or an external photodiode array is always installed on a fixture that is installed into the LRS 9424B system for testing The default condition of the door interlock is in a defeated state This state along with an uncovered device fixture may result in exposure to hazardous laser light when the chamber door is opened ILX Lightwave strongly recommends that users wear appropriate laser safety eye protection when opening the chamber and while the door is open If additional protection is required the door interlock may be enabled through the ReliaTest software If enabled the laser current is quickly ramped to zero when the door is opened Once closed any ongoing tests are restarted A CAUTION The cowling on the back of the LRS 9424B chamber is to be opened only to repair replace upgrade or maintain electronic components and only by qualified service personnel or with specific instructions from ILX Lightwave The system must be powered down and disconnected from the power supply circuit before
41. Fixture is properly connected and ready for use Off Fixture is not properly connected and cannot be used Steady On Fixture is connected but might have a problem and cannot be used Remove fixture and reinsert If problem persists contact ILX Lightwave Test in Progress LED is Indicates On Test is in progress and fixture should not be removed Off Test is complete and fixture can be removed A front facet detector array is available for the standard fixture The front facet array is connected to the fixture circuit board by a flexible ribbon cable The front facet detectors are maintained at a constant temperature to improve measurement stability Fixtures are easily inserted from the fixture cage inside the chamber No tools are required if the aluminum bar located under the fixture handle is properly used to gain leverage against the fixture handle refer to Chapter 4 The fixture is gently but firmly pulled to disengage the card edge connector once the connector is disengaged the fixture is effortlessly removed from the fixture cage Fixture Temperature Control The LRS 9424B system provides comprehensive temperature control functions that allow you to maximize the efficiency of your test process Controlling Fixture Temperatures Each fixture hot plate has an integral nichrome heater wire routed for best temperature uniformity from device to device A calibrated AD590 temperature sensor is mounted near the center of the aluminu
42. Ms The software may be manually restarted by double clicking on the ReliaTest icon located on the computer desktop The startup process is logged in the Initialization Log and can be viewed by clicking Events gt View Initialization Log in the menu at the top of the main window Navigating the Software The software is primarily navigated using a Graphical User Interface GUI consisting of views and windows on screen buttons and dialogue boxes There are three main sections or views to the software screen shown in Figure 5 1 the Control View the System View and the Test View Generally these sections each focus on the functions for which they are named 32 LRS 9424B lt Lightwave RELIATEST SOFTWARE Navigating the Software d ILX Lightwave ReliaTest HAR System View Edit Help 9 g Chamber View D gt 1000Hr Bum in 1 9 2006 2 13 39 PM Burn in 60 C Engineering Chamber S Quick Sys Check 1 9 2006 2 13 51 PM Aa raen iun descr TUN ing Test D Completed Tests Exhaust Fan Medium J 1000Hr Burn in 1 9 2006 2 15 04 PM J 24hr Bumin 1 9 2006 2 24 35 PM J KI7LA Characterization 1 9 2008 2 25 56 PM BY 1000Hr Bumin 1 9 2006 2 26 11 PM 1 eee 8 JY 1000Hr Bum in 1 9 2006 2 29 21 PM M 24h Burmin 1 9 2006 2 30 23 PM 2 el mM KI7LA Characterization 1 9 2006 2 31 02 PM 3 7 Control View System View S P Ki 7Uscreracrenzans gt Intemal LIV p External LIV
43. Options Test Actions C Enable Password Protection o Force Device Serial Number Entry At Test Start Old Password New Password Email Options Enable Event Message Emailing Configure Server username servername com Add Email Address Remove Email Address Event Types to Email to username servername com Event Type Description Test Processing Requires Att A test has stopped due to an error Test Processing Finished test scenario has completed C Device Failure device fails due to an out of limit condition User user has entered an event message System Recovery ptions Automatically Resume Testing Automatically Resume Testing After Software Restart Automatically Resume Testing After Hardware Disconnections Figure 8 3 General Software Options In the Email Options section check Enable Event Message Emailing ReliaTest allows multiple email addresses to be added to list of recipients Use the Add Email Address and Remove Email Address buttons to manage the list of recipients Each email address can be configured to receive up to four different types of event messages When an email address is selected the four types are displayed in the Event Types to Email to list box The following list describes each event category in detail and when it might occur in ReliaTest Test Processing Requires Attention This event category contains events which unexpectedly halt a running test This would occ
44. RS 9424B ues amp BE UA GU weno 4 Figure 7 1 Graph Window Tests and Timelines Tests that have been added to the graph are represented graphically in the Test Timeline section The Test Timeline section contains a timeline for each test that was added to the graph hr ACC DA 25C 8 19 2007 at 1 16 14 PM LIV 24 20 0Pnts 25 Figure 7 2 Test Graphical Objects Burn In and LIV The light blue and light beige bars in the Test Timeline section represent the tests which have been added to the graph These bars may be moved between timelines Tests that share a timeline are graphed consecutively Tests that do not share timelines are overlaid on top of each other For burn in tests the graphical data is plotted with Time In Tests as the X axis For tests that share the same timeline the start of the second test coincides with the end of the first test Graphing two or more tests on the same timeline is only useful for appending data for the same set of lasers from multiple different tests The Test Timeline section organizes the tests horizontally based on the date and time that they started and finished A test that started at the time as another test appears in the same horizontal location as the other test In this way tests that were executing at the Lightwave lt VIEWING DATA AND DATA MANAGEMENT Graphing
45. S Tour of the LRS 9424B System Figure 1 2 shows the front and rear of the chamber There is a green LED Power On indicator to indicate when the system is powered Device fixtures are loaded at the front of the chamber Fr Figure 1 2 Front of the LRS 9424B 03 12 LRS 9424B 5 INTRODUCTION AND SPECIFICATIONS Features 6 Power Cord Cat 5 Cable Auxiliary Power Switch t Communications Breaker Connection to Port Control Computer and 2 Chamber Figure 1 3 Rear Connections on the LRS 9424B Figure 1 3 shows the rear of the chamber All power and communications cables are connected to the rear of the chamber As shown there is a main power switch breaker that must be engaged to allow the system to operate The power cord is delivered unterminated to allow direct connection to the facility s main power There are three RJ45 network connectors on the rear of the chamber The duplex connections on the right hand side of the panel are to allow the chamber to be connected to the control computer and a second 9424B chamber The single RJ45 connector on the left hand side is available for auxiliary communications for example to connect a computer in order to calibrate the current source boards within the chamber Features LRS 9424B The LRS 9424B features have been designed to be easy to use and with intelligent and efficient test capabilities Several features of note are the following test up to 1024 devices simult
46. Step Size and End Current that define the current ramp of the LIV The values entered here cannot create a ramp that has more than 1000 steps Fixture Temperature Set Point The temperature set point of the fixture Temperature Window and Tolerance Period The temperature settling size and timing that define the when the test will begin The temperature must be stabilized within the Temperature Window for the entire duration of the Tolerance Period before the lasers will turn on LRS 9424B 55 CONFIGURING AND RUNNING TESTS Creating New Test Steps Threshold Calculation Method The method used by the software to calculate the threshold of the laser The first three are based on Telcordia GR 468 CORE and GR 3010 CORE Second Derivative This method uses the peak of the second derivative for the threshold point First Derivative This method uses the point where the first derivative reaches 1 2 of its peak value as the threshold point Two Segment Line Fit This method extrapolates the two linear portions of the L I curve and uses the point where these lines intersect as the threshold point Single Line Fit This method extrapolates the linear portion of the L I curve above the knee to the zero optical power point which is considered to be the point of threshold This method is not recognized by Telcordia Nominal Pop The optional field denoting the expected power at the typical operating current The l
47. TURES Fixture Temperature Control Figure 4 9 shows one hand position that may be used for engaging the card edge connector when the fixture is installed Slide the fixture into the cage until the card edge connectors make contact Grasp the back of the leverage bar with your fingertips and use your thumb to push gently but firmly against the fixture handle A CAUTION Fixtures should be inserted slowly and carefully to avoid risk of damaging the card edge and connector Fixture Temperature Control Fixture temperature control is handled primarily through the ReliaTest control software Using the software you can set the temperature set points of the individual fixtures at different temperatures A maximum temperature differential between fixtures of 60 C can be maintained in the chamber Standard 32 device fixtures incorporate a fan within the fixture to aid in temperature control The fan draws cool air in from the rear of the chamber and blows it across a series of aluminum pins attached to the heatsink plate The heated air is exhausted through the front of the fixture This air is then drawn through the right hand side of the fixture cage and exhausted out the rear of the chamber In addition to the fan each fixture is provided with a cover designed to surround the heatsink and device retaining plates during operation This cover is simply placed on top of a fixture without an external photodiode array and is held in place b
48. a calibration file has been specified an output wavelength must be set in the Laser Wavelength box User calibration factor To achieve rated optical power measurement accuracy the User Calibration Factor must be correctly set This value compensates for varying output beam geometries from different laser devices If device samples were provided at the time of factory calibration a User Calibration Factor will be provided as part of the calibration documentation This will be a nominal value for each device type and can be calculated from the ratio of actual measured power over ReliaTest measured power Test Scenario Definition Click the View Configured Test button in the top left corner of the Control 7 View to activate the Configured Tests List To create a new test scenario right click in the Control View area and select New Test to bring up the Test Configuration window shown in Figure 6 2 Number of Acton Cotmated Time To Cange E Enable Feii t Feld Nome Feld 1 Dolna Vikat Ense Fed 2 Faid 2 hawa Feki Delad Yake E Enake Feki Feld Mame Fed Oen Vilar The arator ms Enable Feld t Figure 6 2 Test Configuration Window New Test Creates a new test scenario New Test Step Creates a new test step in an existing test scenario Possible test steps include monitored burn in tests and LIV tests Copy Copies the highlighted test scenario or test step The copy is placed adjacent to the highlighted item
49. aining plate may be very hot if a fixture is removed while a test is running Loading Unloading Fixtures into the Chamber A CAUTION In order to prevent electrostatic damage to devices during fixture transport it is recommended that the provided antistatic clips be installed on the fixture edge connectors whenever the fixture is not installed in the chamber Fixtures are loaded and unloaded from the chamber without using tools A leverage bar is used to gain leverage and allows fixtures to be removed and inserted using only one hand The bar is used only for engaging and disengaging the card edge connector at the back of the chamber since the fixture slides freely into and out of the fixture cage until the connector is engaged 03_12 LRS 9424B 27 FIXTURES Loading Unloading Fixtures into the Chamber Figure 4 8 Disengaging the Fixture Card Edge Connector Figure 4 8 shows one hand position that may be used for disengaging the card edge connector The fingers are inserted through the handle of the fixture and the thumb is placed against the leverage bar By simultaneously pressing against the bar with your thumb and pulling the fixture handle with your fingers this hand position offers good leverage for disengaging the connector Once the connector is disengaged the fixture can be completely removed from the chamber Figure 4 9 Engaging the Fixture Card Edge Connector 28 LRS 9424B lt Lightwave FIX
50. alcohol will clean the contacts but will not lubricate the connector Both methods are safe for clean room use Frequently repeated or aggressive cleanings may shorten the contact lifetime Cleaning the Laser Diode Sockets The laser diode sockets may also accumulate foreign material over a long period of usage and after many devices are inserted and removed Cleaning the sockets requires disassembly of the fixture and if this is not done carefully the heater wire may be damaged or broken ILX recommends that the fixture be returned to the factory if the laser diode sockets need cleaning 92 LRS 9424B IU lt Lightwave CHAPTER 1 0 TROUBLESHOOTING System Diagnostics Screen The system Diagnostics screen is used to view the status of the system power supplies shelf loading and chamber statistics A Diagnostics screen is available for each CMM and may be accessed from the Help menu Each connected CMM will be listed by name and IP address The window shown in Figure 10 1 will appear when a CMM is selected qu LRS 9400 Diagnostics Identification Shelf System Information Model Number LRS 9400 Shelf Time 3 25 2005 4 00 43 PM Serial Number 3221261 The shelf time is only queried every 2 seconds Shelf Number 0 Fixture 1 Chamber Name Marketing Cham Model amp S N 4342 1334 User ID Firmware Version 9400v1 17 4 CMM Calibration Date 2 7205 Pez Model amp S N Network Information User ID IP Address 1
51. aneously up to 200 mA of laser drive current per device higher currents are possible with current paralleling fixtures different tests may be simultaneously run on different device fixtures test temperatures from 40 C to 150 C are possible with up to 60 C temperature difference between fixtures temperatures down to 25 C may be accessed with special TEC based fixtures different device types can be tested simultaneously separate fixtures required device fixtures support measurements using internal and or external photodiodes absolute power measurement external photodiodes Lightwave lt 03 12 INTRODUCTION AND SPECIFICATIONS Safety Considerations e fixtures support multiple pin configurations and are configurable through the ReliaTest software real time viewing of currently running test data with simultaneous viewing of completed tests intuitive graphical interface for viewing system and test status e graceful handling of power blackouts and brownouts Safety Considerations Throughout this manual important symbols are used to indicate potential hazards that may be experienced while operating the LRS 9424B These symbols are defined below Definition of Symbols Important operating and l service maintenance instructions Risk of electrical shock AA Static sensitive device use Risk of exposure to visible or proper grounding provisions invisible laser radiation LRS
52. ation by flipping it up side down and setting it near the fixture card edge connector as shown in Figure 4 7 Locating the array in this manner reduces the stress placed on the flex ribbon cable and connectors and will prolong the lifetime of the cable connections Refer to the loading instructions for the standard TO can fixture for the correct procedure for loading and unloading the lasers from the fixture Replace the front facet detector array by reversing the removal process 26 LRS 9424B lt Lightwave FIXTURES Fixture Status Indicator LED Fixture Status Indicator LED A pair of LEDs located on the front of the fixture provides a visual indication of the fixture status Ready LED is Indicates Flashing Fixture is properly connected and ready for use Off Fixture is not properly connected and cannot be used Steady On Fixture is connected but might have a problem and cannot be used Remove fixture and reinsert If problem persists contact ILX Lightwave Test in Progress LED is Indicates On Test is in progress and fixture should not be removed Off Test is complete and fixture can be removed A CAUTION Do not remove the fixture if the Test In Progress LED indicates a test is currently running This can damage devices and will cause the software to generate errors and will terminate the test The temperature control circuit remains active when the chamber door is opened so the device ret
53. ayed You can graph the data or export it to a CSV file of the Microsoft 9 Excel application The procedure for these tasks is the same as for currently running tests LRS 9424B 79 VIEWING DATA AND DATA MANAGEMENT Database Storage Format Database Storage Format The database may be accessed directly outside of ReliaTest The following scheme of the ReliaTest database design is provided to assist with such database access 80 LRS 9424B HasUserRequestedToPauseTest int HasTestBeenResumed int Boolean DateTestWasResumed datetime TestScenario Uniqueld int TestParentName varchar 51 DateTestParentWasStarted datetime Author varchar 256 CurrentTestStepindex int Boolean 0 False 1 True TestStatus varchar 512 IsDataHistorical int Boolean DateTestWasFinished datetime UserField Info varchar 199 UserField2Info varchar 199 UserField3lnfo varchar 199 UserField4Info varchar 199 Inst94xx4xxDbData Fixture Data Generic All Test Steps Uniqueld int TestParentName varchar 51 DateTestParentWasStarted datetime TestStepName varchar 30 IndexinScenario int ActoinState int TestStatus varchar 512 TestStartedOn datetime TestResumedOn datetime TestFinishedOn datetime TestlsResumed int Boolean UserAbortRequest int Boolean Inst94xxDeviceDbData Device Data Uniqueld int TestParentName varchar 51 DateTestParentWasStarted datetime ParentinstConninfoSt
54. by placing a shortcut to the ReliaTest application in the Start Menu gt Programs Startup menu of the user account that was used above Automatically Resuming Tests in ReliaTest When the ReliaTest software application starts all tests that were previously running will be restarted ReliaTest waits for thirty seconds before resuming the tests to allow the user a chance to cancel the automatic resume feature After each test resumes any data that was stored on the instrument will be read by the software and stored with the test in the database The test resumes and finishes the rest of the test procedure 03 12 LRS 9424B 99 7T Configuring PC to Automatically Boot Into Windows 100 LRS 9424B lt Lightwave APPENDIX B FACILITY PREPARATION GUIDE E El a Li E EJ E E Ei This document has been designed to help you prepare your facility for the arrival of your new LTS 9400 system Taking care of these details prior to system arrival will allow installation to proceed smoothly and quickly This in turn will allow you to begin your testing sooner There are three areas that require attention prior to installation Transit corridor for chamber AC power for chamber Facility network access Chamber Transit Corridor Because of the chamber size and weight it is shipped bolted to a pallet This allows the use of a forklift or pallet jack to maneuver the system into plac
55. cation number The fixture ID number can be changed via the ReliaTest software to suit your data storage and identification scheme The software identifies each fixture by its unique ID number and will assign certain attributes to that fixture when it is loaded For details on changing the fixture ID refer to Chapter 6 22 LRS 9424B lt Lightwave FIXTURES Loading Fixtures with Devices Loading Fixtures with Devices Static sensitive device use proper grounding provisions JA Ensure the antistatic clip as shown in Figures 4 1 4 3 is securely attached to the card edge connector of the fixture whenever the fixture is handled or transported outside of the test chamber ILX Lightwave recommends that the following operations be performed at an ESD safe work station Standard TO can Fixture The standard fixture accommodates two three and four pin TO can laser packages Lasers must be loaded with the pin orientation according to Figure 4 4 This diagram also appears on the fixture circuit board for quick reference It is Critical that the lasers are installed according to the diagram in Figure 4 4 The laser pin inserted into pin one can be either the anode or the cathode Likewise the photodiode PD pin inserted into pin three can be the anode or cathode The exact laser PD anode cathode connection combination is declared in the ReliaTest software when the device types are configured Figure 4 5 shows
56. ce an external photodiode array and fixture have been associated measurements from the array will be shown in units of milliwatts To correctly measure absolute optical power the Laser External Power Calibration Information in the Device Configuration screen shown in Figure 6 1 must be appropriately set for the type of device being tested If the external photodiode array is to be used on a different fixture it must first be disassociated from the original fixture and then associated with the new fixture Click on the Clear button to disassociate the fixture and array 40 LRS 9424B lt Lightwave RELIATEST SOFTWARE Using the System View Device View Double clicking on any device shown in a Fixture View or clicking on a device within the connected instruments tree from the Control View will bring up a Device View similar to that shown in Figure 5 5 From this view current status and limit information for a specific device may be viewed The left and right arrows allow the view to cycle between all the device positions within a fixture When the device fixture is NOT currently being used in a test one may enter a serial number or other descriptive information pertaining to the specific device by entering the information in the Serial Number field and then clicking on the Set button next to the field Applications Lab 54 F4 4352 1336 Device 02 0 Failed Devices DEvent Messages 1 Running Tests 0 Completed Tests
57. cel software application is required for this test step to operate correctly the Microsoft 9 Excel software application is not supplied with ReliaTest The Microsoft 9 Excel icon on the main ReliaTest window may be used to configure the manual export ability Lightwave lt 03 12 VIEWING DATA AND DATA MANAGEMENT Graphing Test Data xL Tests steps may be dropped onto the icon by clicking on the test and dragging it to the Microsoft 9 Excel icon In this example three test steps have been assigned to the icon Once tests have been assigned to the icon left clicking on the icon opens the dialog to select the desired Microsoft 9 Excel workbook After the workbook has been selected ReliaTest exports the tests to temporary CSV files The exported CSV files are then copied into the workbook Each CSV file is copied into an individual worksheet The first CSV file is copied into a worksheet named ReliaTestData 1 the second CSV file is copied into ReliaTestData 2 and so on The tests are copied into the workbook in the order they were placed onto the Microsoft 5 Excel icon All data on the ReliaTestData X worksheets are erased when the new data are copied into the worksheet After the export process is complete ReliaTest automatically runs a Microsoft Excel Macro with the name ReliaTest AutoRun if it exists ReliaTest leaves the workbook open to allow the user to save or print the workbook The intent of this p
58. d If power to the system is lost then the computer will log the event and generate an event message in the test event log of any tests that are being run The software will pause execution of any running tests that are affected by the power failure When the system power is restored the digital system power supply is restored first The CMM processors are re enabled and resume communications with the control computer The high current power supplies restart approximately 2 2 minutes after the processors are on line Once the high current supplies are on the CMMs communicate to the software that the system is ready The software then automatically resumes the tests that were interrupted by the power failure Database Events ReliaTest will post event messages if the database communications are lost or disrupted If communication with the primary database is lost all running tests will be paused and a system event message generated CMM Processor Failure In the event the processor on the CMM fails independent sensing circuitry will shut off the current sources within 50 ms This feature ensures that the current sources are controlled at all times and the lasers are not unintentionally driven beyond the limits configured in the device setup Communications Events A communication failure is treated the same way as a power failure if communication with the system is lost the software logs the event Once the software is able to commun
59. d from the fixture so that the array can be removed when it is not used for tests or for maintenance and upgrades The detector array is held in place by magnets attracted to steel alignment pins in the device retaining plate The array maintains its positioning repeatability through the use of a kinematic mounting system No other fasteners are used to secure the array to the fixture so that mechanical stresses cannot misalign the array as it and the fixture heat up and cool down during a test Lightwave lt FIXTURES Mechanical Overview The fixtures are designed to be operated with either an external photodiode array or a cover over the device retaining plate Figures 4 2 and 4 3 These are required to help reduce exposure to potentially hazardous optical radiation When either the external photodiode array or cover is installed there is no direct path for laser light to impinge on the user s eye The photodiode array cannot be used when the fixture temperature exceeds 100 C When the PD array is used with fixture temps exceeding 100 C the measurements will not be within specification Figure 4 2 External Photodetector Array 03_12 LRS 9424B 21 FIXTURES Mechanical Overview Figure 4 3 Fixture with Cover Installed Identification The fixtures feature an on board EEPROM that is pre programmed with the temperature sensor calibration constants ILX Lightwave serial number and a temporary fixture identifi
60. e The pallets will typically be 4 feet 122 cm wide A corridor is required to be at least this wide from your receiving dock to the chamber s ultimate destination Since the system weighs approximately 300 Ibs 136 kg a total of five people will be required for approximately 30 minutes to lift the chamber off the pallet and on to the floor Please schedule time to have people available AC Input Power 180 240 VAC 50 60 Hz single phase 30 A service is required for chamber operation Please ensure that a true earth ground is available in the 3 wire power cord For CE Marked systems the AC service connection is permanent The system control computer requires a UPS to ensure database integrity and to allow the computer to shut down in a controlled fashion in the case of a power LRS 9424B W 101 II LX Lightwave failure The UPS will be supplied by ILX Lightwave unless other arrangements have been made Network Access While the LRS 9400 system does not require network access to function correctly it is recommended that access be granted to allow backup of the test database Network access should be in the form of a separate user account with a nonexpiring password To maintain network security user rights can be strictly limited by the network administrator Access to the internet is also recommended Access will allow the user to permit ILX to remotely operate the system for troubleshooting The following questionnaire sho
61. e and fixture configurations You can enter functional limits for devices under test DUTs so that if any DUT falls outside the prescribed parameters the user will be notified This feature makes test monitoring as quick as a glance at the computer screen to look for fixtures or devices flashing red 03_12 LRS 9424B 15 SYSTEM FUNDAMENTALS Laser Diode Fixtures Storing and Viewing Data Data can be viewed in real time while tests are running so you can decide if devices are running within expected parameters You can also retrieve historical data and view it at any time Chapter 7 discusses the data viewing and storage features of ReliaTest Events Alarms and Power Failures If power to the computer is lost at any time the software will recognize the event when it is restarted and will resume the test scenarios that were running The LRS 9424B CMMs also recognize when the computer has failed and will store data on board until communications with the computer are restored Memory capacity is available for a minimum of 3 days of data storage depending on test conditions If power to the LRS 9424B is lost the software will log the event When the system power is restored the software will resume the test scenarios that were running The software also performs system diagnostic tests and will notify the user if power supply faults are detected the interlock is triggered or if communications are lost with the CMMs Las
62. e database log for that test Also the fixture image on the monitor will flash red to alert you to a problem on that fixture The error can be investigated by double clicking on the fixture then the individual device which will also be flashing red Any device may be manually failed by the user Click on the Fail This Device button in the Device View shown in Figure 8 2 and enter the reason to fail the device to manually fail the device The user specified device failure is handled in the exact same manner as a failure detected by the software If all devices fail the test scenario will fail and be stopped 4 Device View ASIP Chamber 1 51 F4 Red Lasers Device 19 0 Event Messages 1 Running Tests 0 Completed Tests Setpoint Override Fail This Device Laser Drive Output is On Burn in Measurements Last Measurement Average of Limit the Last 10 Drive Current 0 49 0 49 3800 m Voltage 1 747 1 748 3 000 NA Monitor Photodiode Current 0 13 2000 00 uA External Photodetector Power 164 99 2 mw Fixture Temperature 26 58 26 59 70 00 C Figure 8 2 Device View 03 12 LRS 9424B 87 SOFTWARE EVENTS AND ALARMS Software Events and Alarms Events Email Configuration ReliaTest can be configured to send email messages when specific types of events occur This configuration is found in the General Software Options screen in the System gt Options menu AU General Software Options Password Protection
63. e product or equipment MA warnine Warning indicates a potentially dangerous situation which can result in serious injury or death A WARNING Visible and or invisible laser radiation Avoid direct exposure to the beam General Safety Considerations ir any of the following conditions exist or are even suspected do not use the system until safe operation can be verified by trained service personnel Visible damage Severe transport stress Prolonged storage under adverse conditions Failure to perform intended measurements or functions If necessary contact ILX Lightwave or the authorized local ILX Lightwave distributor for intormation on how the appropriate system components should be removed and sent back to ILX for servicing see the contact information on page x All components returned to ILX Lightwave are required to have a Return Authorization Number assigned by an official representative of ILX Lightwave Corporation See Claims for Shipping Damage on page ix for more information MILIA Lightwave LRS 9424B vii 9 SAFETY SYMBOLS This section describes the safety symbols and classifications Technical specifications including electrical ratings and weight are included within the manual See the Table of Contents to locate the specifications and other product information The following classifications are standard across all ILX Lightwave products Indoor use only Ordinary Protection This
64. ed in detail by double clicking them or the three arrow buttons at the top of the System View can be used to step through devices and fixtures Test View The Test View at the bottom of the screen presents information on the test scenario or step that is highlighted in the Control View Information can be viewed for test configurations that are not running Configured Tests current running test scenarios Running Tests and test scenarios that have stopped running Historical Tests 34 LRS 9424B lt Lightwave RELIATEST SOFTWARE Using the System View Using the System View You can view specific details on each shelf fixture or device by diving down through the hierarchy in the System View area Simply double click on the subcomponent shelf fixture or device you wish to examine in detail The System View hierarchy is shown in Figure 5 2 As the system view changes the Control View also updates to display the location in the hierarchy tree that you are examining When an Event occurs the affected instrument will flash red to get your attention You can navigate in the System View to the affected instrument to find the event message More information on events is in Chapter 8 t Chamber View LRS 9424 5 Fotures 144 Devices OFaled Devices O Evert Message Chamber Door oan O Running Tests 0 Completed Tests Exhaust Fart 1 1 2 Fm Stave Caer Legend 3 Chamber t Foture Vi
65. ely Configured Test Scenario LRS 9424B 67 CONFIGURING AND RUNNING TESTS Creating New Test Steps Removing Fixtures from a Test To remove a fixture from a test 1 Click on the View Existing Tests button in the Control View and select the test scenario 2 Inthe Test View click on the fixture that you want to remove from the test then click the Delete Fixture button After a test has been started the fixtures that had been assigned to the test are automatically removed from that test A fixture may be assigned to several tests simultaneously but only one of those tests can be running at any time This feature is useful if the same fixture is used for several different tests that are not run simultaneously perhaps for different device types Note that any additional tests assigned to a fixture will not automatically start after the previous test has finished 68 LRS 9424B iit lt Lightwave CONFIGURING AND RUNNING TESTS Pausing and Restarting Tests Pausing and Restarting Tests Pausing a Test To pause a currently running test first click the View Running Tests button Be Right click on the test you want to pause and select Pause Test Once the test is paused the icon will change as is shown on the left Restarting a Paused Test A paused test can be restarted from the beginning of the test or at the same point it was paused Right click on the test name and select Restart Test From Beginning or
66. ent source switch on after 2 1 2 minute delay Make sure you ve given the power supplies ample time to switch on Software fails to detect device open or short circuit failures Drive current too low Laser drive current must be 10 mA in order for the system to recognize open or short circuit failures All lasers fail Device type setup is incorrect Devices have reached user set limits Check the pin out type in the Device Type configuration Chapter 6 Check the device operating limits in the Device Type configuration Lasers switch off when limit is reached Device type configuration Check the device configuration Chapter 6 and make sure devices are not configured to switch off when limits are reached 94 E LRS 9424B Lightwave lt 03 12 TROUBLESHOOTING Troubleshooting Procedures No front facet power measurement Front facet array cable not installed Improper test configuration Check that the ribbon cable to the front facet array is correctly installed Check that the test has been configured to monitor or control the front facet array Check that the correct fixture type is being used and that the front facet array is attached to the fixture Check for any other error messages generated by the software Computer power failure Power cord pulled out of wall Facility power failure Replace power cord Refer to Chapter 8 fo
67. er Diode Fixtures The laser diode fixtures are designed for long useful lifetimes with a minimum of maintenance An EEPROM on the fixture stores temperature sensor other fixture calibration data ILX assigned serial number and a user defined identifier This information is automatically read by the CMM when the fixture is loaded into the chamber and is then downloaded by the control software Standard fixtures support TO 18 TO 46 and TO 56 devices with up to four pins on 0 1 spacing Custom fixtures can be designed to support a wide variety of other package types Devices are loaded by removing the device retaining plate to access the pin Sockets Once the devices are loaded the retaining plate is replaced and secured The retaining plate applies uniform pressure to the flange of the TO package to facilitate heat transfer to the nickel plated hot plate The temperature sensor is located near the center of the hot plate Additional electronic components are mounted on the circuit board near the card edge connector These components allow the switching of signals from either the internal photodiode of the device or an external photodiode to the photocurrent measurement circuitry Refer to Figure 4 1 16 LRS 9424B lt Lightwave SYSTEM FUNDAMENTALS Fixture Temperature Control A pair of LEDs located on the front of the fixture provides a visual indication of the fixture status Ready LED is Indicates Flashing
68. ere ordered with the system any test fixtures that were ordered with the system four feet to be installed in the stand supporting the chamber any detector arrays that were ordered with the system LRS 9424B System Notebook Three boxes containing the following the system control computer a computer monitor and an uninterruptable power supply UPS for the computer and monitor Installing the LRS 9424B The LRS 9424B normally requires a representative from ILX Lightwave to be on site to install the system and conduct acceptance testing Preparation of your facility prior to installation will ensure the installation goes smoothly and quickly Please refer to the Facility Preparation Document that was sent prior to system shipment for specifics to your order Physical Requirements A corridor 4 feet 122 cm wide minimum is required from the dock where the system arrives to the location where the system will be used This corridor should be free from obstructions that could interfere with the operation of a pallet jack Because the system weighs approximately 300 Ibs 136 kg flooring capable of supporting such a weight is required In addition a total of five people are required for approximately 30 minutes to lift the chamber off its pallet It is recommended that the chamber be positioned in its ultimate location prior to system installation 2 LRS 9424B lt Lightwave INTRODUCTION AND SPECIFICATIONS Instal
69. erent test scenarios profiles can be run simultaneously in the chamber A comprehensive and easy to use software package called ReliaTest gives you full control over all aspects of the system ReliaTest allows you to easily configure and manage tests and has graphical data display features so you can easily monitor devices throughout the test process Figure 1 1 shows a cutaway diagram of the LRS 9424B The door on the front of the chamber is easily opened to access the fixture cage which can hold up to 32 fixtures In the back of the chamber protected by a steel cowling are the control measure electronics modules and an Ethernet router Up to eight modules can be loaded each one controlling a single shelf In the base of the chamber are the power supplies The power supplies and router are connected to the control measure modules by cables that run within the protective cowling In operation the control measure modules need not be accessed The cowling should be removed only when the system is being upgraded or repaired The power supplies do not need to be accessed even when additional control measure modules are added to the system Chamber Control Measure Electronics Modules Fixtures P ai System Control Computer Power Supplies System Side View Figure 1 1 LRS 9424B Cutaway Diagram 4 LRS 9424B lt Lightwave INTRODUCTION AND SPECIFICATION
70. es that are used in the LRS 9424B These fixtures are designed for ease of use and a long service life The 32 device single wide fixture is standard but other configurations are available as well depending on the requirement Mechanical Overview Figure 4 1 shows the standard 32 device fixture with the retaining plate set aside so the nickel plated heatsink plate is visible The handle is at the front of the fixture and a card edge connector is at the other end The pin guard is formed of stainless steel and prevents the pins of the devices under test from contacting any surfaces during loading unloading and use iit lt Lightwave LRS 9424B W 19 FIXTURES Mechanical Overview 20 LRS 9424B Card Edge Connector w Antistatic Clip AD590 Temperature Sensor Heatsink Plate Test in Progress LED Device Retaining Plate Handle Figure 4 1 Standard 32 Device TO Can Fixture An EEPROM that stores calibration and other data is located near the card edge connector Additional circuitry for the external or front facet detector array if installed is also located near the card edge connector The back part of the circuit board is located outside of the chamber during operations so the circuitry is located in an ambient temperature environment Figure 4 2 shows the external detector array attached to the standard fixture The array is electrically connected via flex ribbon cable The cable can be remove
71. est where laser forward current I is ramped from zero to typically the maximum of the laser s operating range While the current is being ramped the laser s forward voltage V and optical light L outputs are recorded The data is plotted with as the independent variable and L and V as dependent variables to produce an LIV graph The operational parameters of lasing threshold and slope efficiency are calculated from the resultant data Several different methods may be used to determine threshold and slope efficiency Each method is available from within the LIV configuration screen shown in Figure 6 5 Tolerance Selting Pered Secondi Andym Threshold Calculation Method Nominal Pop mw 03 12 Women lop m Slope Ellcroncy Moat Predetined Extent PO Cirone or Power xh or nw O Peters of Poio 9 Posdr rmd Laon Dive Prine 1 LO brah Pon 2 06 bra mm breil 000 ET Changes wa subsea apd whan a rans last it Fooly Charges Cancel Change os rn Figure 6 5 LIV Configuration Fill in each of the data fields on the screen to complete the LIV test configuration LIV Name The user defined name of this test step This name does not need to be unique This field is limited to 30 characters Auto Generate Name When selected this option will automatically generate a consistent name based on the parameters entered into this test step LIV Ramp Settings The Start Current
72. ew 4 LRIS 9424 52 Future 3 4 5 32 Devices OF led Devices 0 Event Messages Sensi Number 43521334 6 0 Rureing Test 0 Completed Tests Device Type No Device Type 2 6 ID 7 8 16 24 32 Assign ID 8 7 15 a E Fixhure Temperature Ch 24 00 Measued 3 8 2005 1 07 02 PM M 2 30 Set Pont Ovenides 5 13 a 2 No tet pori tie has been losded Ces Load 5 12 zi ces Less Fixture 3 19 2 Extemal Photodetector Calibration Unceitvated Eat 2 10 18 26 CUT j 5 t Device View LRS 9424 52 F3 43521324 013 Event Meriage O Running 0 Completed Test Sensi Number Set Pont Ovemde Device 13 ACC mA APC Irnernal fut APC gt Extemal uA Laser Deve Ouputi Off Device Bumn Measurements Last Messwemeri Average of lm the Last 10 Drive Current 000 Voltage 0 000 Monitor Photodiode Current 0 00 Fotre Temperature Figure 5 2 System View Hierarchy 03_12 LRS 9424B 35 RELIATEST SOFTWARE Using the System View Chamber View From the Chamber View one can see all the fixtures and control measure modules CMMs that are installed within a single chamber If multiple chambers are networked together chamber selection is performed through the Control View and by clicking on the View Connected Instruments button to show the instrument tree As shown in Figure 5 3 any shelf that is not populated with a CMM is lightly hatched In this figure shelves 1 and 2 are the only ones with CMMs installed
73. ff on 1 13 2006 at 4 33 33 PM because the laser drive circuit is an open c 1 13 2006 4 33 34 PM General F1 Resistors w PD Load Device 10 Laser drive shut off on 1 13 2006 at 4 33 33 PM because the laser drive circuit is an open c y s D Test step 3 LIV finished Check the test step for more details Figure 8 1 Event List System Events The system event log is accessible by clicking the View Events button in the Control View Events may be recorded at any time regardless of whether a test is running New events are made known to the user through the vertical bar directly under the left arrow that is visible in either the Chamber Fixture or Device View see Figure 5 3 When a new system event occurs this bar will flash red The lightning bolt in the View Events button will also flash yellow When the system event log is accessed any new event will be in bold type To clear the new event status any new event must be marked as read or deleted through the use of the right click menu Right clicking on any event will allow the options of marking all or a single event as read or unread as appropriate as well as deleting a single event or all events Once all new events have been read or deleted the vertical bar will turn green or gray depending on if a test is running or not 84 LRS 9424B lt Lightwave SOFTWARE EVENTS AND ALARMS Software Events and Alarms System events fall under these categories
74. he test steps in the test scenario will be exported and copied into the workbook Testing Actions The test scenario may be configured to continue testing while the CSV data is copied to the worksheet and while the optional worksheet macro is executing The test scenario may also be configured to delay at this test step until the CSV data has been copied to the worksheet and until after the worksheet macro has completed 62 LRS 9424B lt Lightwave CONFIGURING AND RUNNING TESTS Creating New Test Steps The power of this test step is in the ability to automatically export test data out of ReliaTest The Microsoft Excel Macro may be created to save the workbook to a predefined location and close the workbook A Microsoft 9 Excel workbook can be preconfigured to perform mathematical calculations on the raw data from the test CSV files This provides for tremendous expansion of analysis capabilities that may be quickly configured and modified as needs change Run Support Application A support application is typically another program written to extract elements of a burn in or LIV test and possibly perform analysis on the data Besides performing numerical analysis a support application could be designed to convert the data into another database format The Run Support Application test step requires the specification of the path to the application that is to be run and the test step s containing the data that is to be
75. hen the power is available and the master switch on the back of the computer is ON 2 The PC automatically logs into Windows 7 and your local network 3 The PC automatically starts the ReliaTest software application 4 ReliaTest automatically resumes each test that was running prior to the power outage Automatically Booting PC The PC is configured at ILX Lightwave to automatically boot when the power is available This feature is enabled in the PC BIOS If the computer is manually shut down it must be manually restarted Automatically Logging Into PC and Network The PC must use a user name and password that can authenticate to the network and the PC Follow the steps below to configure the PC to use an existing account Lightwave 10594248 W 97 lt Lid Configuring PC to Automatically Boot Into Windows 1 Click Start click Run type regedit and then click OK to start Registry Editor 2 Locate the following registry key HKEY_LOCAL_MACHINE SOFTWARE Microsoft WindowsNT CurrentVersion Wi nlogon 3 Using your account name and password double click the DefaultUserName entry type your user name and then click OK 4 Double click the DefaultPassword entry type your password under the value data box and then click OK If there is no DefaultPassword value follow these steps to create the value a On the Registry Editor menu click Edit click New and then click String Value b Type DefaultPassword as the value
76. icate with the system it determines the status of any tests that had been running and if necessary resumes them If the system was Lightwave lt SOFTWARE EVENTS AND ALARMS Software Events and Alarms running and storing data during the communications failure the software will download the data and store it in the database Test Events Test events cause the test to halt when it is running or when the software has just started the test The ReliaTest software will usually state the cause of the error Some examples of test events include Mismatched device parameters If the drive current set point is greater than the current limit in ACC mode the software will halt the test prior to starting Fixture is removed while a test is running The software will generate an event message and abort the test that is running on that fixture Afixture assigned to a test is already running in another test ReliaTest will not allow the new test to start and will generate an error message stating that one of the fixtures is already under the control of a different test Failed devices Whenever a device under test fails due to open or short circuit or due to being shut off for reaching a limit value an event message is logged indicating this If all devices fail in a fixture the test will stop with an error saying it cannot proceed In any case the software will generate an event message and record the event in th
77. iew The LRS 9424B is a high density laser burn in and life test system capable of testing a maximum of 1024 devices simultaneously The system can be configured to test up to eight shelves of devices with up to four fixtures per shelf capable of holding up to 32 devices per fixture The temperature of each fixture is independently controllable and capable of operation from 40 C to 150 C Burn ins and life tests can be run in either ACC constant current or APC constant power mode A built in routine for performing in situ L I V tests may be run between burn in life test steps with either the device s internal photodiode or an optional external photodiode array A computer is connected to the system via an Ethernet port to allow test control and data storage and analysis The system s ReliaTest software comes pre configured to operate the computer and chamber as a stand alone system Note This manual describes the standard configuration of the LRS 9424 This system can be configured with custom features All non standard custom features are described in Appendix C Custom Features MILIA Lightwave LRS 94248 Wo 1 z INTRODUCTION AND SPECIFICATIONS Initial Inspection Initial Inspection When you receive the LRS 9424B system verify that the following items were shipped One to two pallets containing the following e LRS 9424B Laser Reliability Test Chamber Boxes containing the following any control measure boards that w
78. inally open all boxes containing the system control computer Inspect all boxes and components for damage If any damaged containers or system components are found notify the shipping courier and ILX Lightwave immediately Chamber Installation The LRS 9424B should be placed near its final location at this point Make sure the main breaker located in the back side of the chamber base is in the OFF position then connect the unterminated system power cord to the facility power This power cord should be a direct connection to facility power for safety reasons Move the LRS 9424B chamber into its proper location making sure to maintain the required clearances for ventilation and access 03 12 LRS 9424B 11 SE INSTALLATION System Validation Computer Installation Assemble the computer by first locating the components in their installation locations then connect the computer components together per the instructions included with the computer Connect an Ethernet cable from the LRS 9424B to the computer use the right most Ethernet port as viewed from the rear of the chamber to connect to the computer s lowest network jack It is recommended that internet access be provided by connecting a network cable from the facility s network to the upper jack corresponding to the computer s built in network interface Network access will allow the user to permit ILX to remotely operate the system for troubleshooting Only the computer tha
79. ling the LRS 9424B je Electrical Reguirements 200 240 VAC 50 60 Hz 19 30A service is required for the chamber For CE Marked systems the connection must be permanent 120 240 VAC 50 60 Hz single phase power is required for the computer and UPS The computer voltage is switch selectable adjacent to the AC power cord Verify it is set appropriately MA warnine The chamber requires a true Earth Ground for the 3 wire input power connection To avoid electrical shock hazard connect the system only to a properly earth grounded electrical receptacle Failure to observe this precaution can result in severe injury or death Computer Network Requirements While the LRS 9424B is designed as a standalone system and does not require a connection to a facility network for operation a connection will be beneficial for data backup and Internet based factor service support In order to connect the system to your network a user account specific to the system should be set up with limited network permissions and a nonexpiring password Expired passwords will stop the PC from starting automatically following a power failure Please refer to the Facility Preparation Document for details 03_12 LRS 9424B 3 INTRODUCTION AND SPECIFICATIONS Tour of the LRS 9424B System Tour of the LRS 9424B System The LRS 9424B is a high density high reliability laser life test and burn in test system A variety of laser packages can be tested and diff
80. m hot plate The hot plate also contains an array of pins extending into the fixture pin guard These pins in conjunction with a small high reliability fan within the fixture allow the fixture to be rapidly cooled down The temperature of each fixture is independently controlled Up to a 60 C differential between fixtures can be maintained within the chamber This independent control feature accommodates multiple burn in or reliability tests in a single chamber and allows tests to be started at any time without concern for coordinating start and stop times 03 12 LRS 9424B 17 SYSTEM FUNDAMENTALS Support Services Chamber Exhaust Fan Operation Fans are located within the test chamber to exhaust air heated by the fixtures Ambient air is drawn in through openings in the bottom rear of the fixtures and then exits through the side of the chamber Typically the chamber temperature remains below 40 C at all times The exhaust fan is controlled by the software and requires no user intervention Support Services ILX Lightwave stands behind our products and we will do everything we can to help you be successful To this end ILX Lightwave offers several technical support packages for the LRS 9424B Contact ILX Lightwave Customer Service for details 18 LRS 9424B IU lt Lightwave CHAPTER FIXTURES 5 El W El El Ej BE P El El 2 E E This chapter describes the device under test DUT fixtur
81. minute 03 12 LRS 9424B 9 CONFIGURING AND RUNNING TESTS Creating New Test Steps Saged Bumin Teu Contain Bura 0076555 UV 09 BI 24 0 UV Core Perses Advanced Paroneten 0 1000 1 Bana Lengfe Hout Meaturervert Interval Meier Mra Mese Meaturereri Avesagng Span Minutes Data in averaged for 10 mutes balore each mossutement wterval Winder Weve Corm Lam Corto Made ACC Setpani Iv Prelodode Bui fV 100 1 0 Cori 1 Saport PO 0 Temperature window NC Pored Saeed Need om Changes wa 5 0783 aoled eben a nem test a TUR Figure 6 9 Sampled Burn in Configuration Burn in 5 Sangled Darn Text Cor guralion Bura 500070 UV Configuration 3000 05 DI 24 Oh UV qoM Derren Fakse On Percent Change This festo allows device lo be nakad ae alle batad on iuge changes in the seconded data To salha a change the value ured at the benchmark must be delred The is dene by spectyng a pened of trs nathan euch Da enlm aen inem nnd to conate a bencheusk ka each masai pwameiei Stan Hos Laser Deve Cupore Pescert Change tt End Hour Mors Pholodode Curent 0 Dats Ports Over 0 Hous Pescerit Change x stri Lam Light x Lane Orve Volpe M Changa PO YA Pazeni Orange 5 Foose Tongaanse Oange DA Set Port Ovesides The Set Poet Ovenride Fle shoud contain wt points Sor ore fiue only V you we uting fus kasha this lest should be
82. mp and control to temperature whenever it is connected to a fixture and the fixture is installed in the chamber The array temperature cannot be queried or displayed The standard front facet detector external photodiode array reports optical output in units of mW The maximum optical power incident on each detector within the array can be configured for either 1 2 5 10 20 50 100 200 or 500 mW The optical power is set at the factory and is not user configurable Before devices can be loaded in a fixture with the front facet detector array the array must be removed Figure 4 6 shows the fixture with the front facet detector array in place The detector array is held against the fixture through the use of magnets and alignment pins embedded within the array interface diffuser plate The array can be simply lifted off and laid to the side for DUT access Figure 4 6 DUT Fixture with Front Facet Detector Array 03_12 LRS 9424B 25 FIXTURES Loading Fixtures with Devices Remove the array by lifting it straight up off the top of the fixture The array is connected electrically by a flex ribbon cable that is attached to the fixture circuit board if necessary the cable can be removed at either end by gently lifting the connector straight up from the circuit board The ribbon cable connectors are rated for 50 connection cycles Figure 4 7 Placement of the Front Facet Array After Removal Set the array on the ESD safe work st
83. n Disabling and re enabling a graph applies a new color for that graph The mouse 74 LRS 9424B lt Lightwave cursor may be moved over any graph to display on the data for that graph This allows for rapid searching through all of the graphs that are enabled in the Displayed Graph section The mouse cursor may be moved over any of the graph axes to display the data for that axis In the burn in data there are multiple sets of data per devices that are plotted against Time in Test voltage current and temperature for example When the mouse is positioned over the voltage axis only the voltage versus time in test data is displayed Each axis may be completely turned off and on by right clicking on the axis or by changing the status of the check box by the axis Printing and Saving Graphs The Print and Print Preview buttons print the currently displayed graphs to the printer The PC must already be configured to use a printer in order for this option to function A list of the displayed graphs is included with the printed graph to help identify the data The Save As JPEG button saves the graph to a JPEG image on the computer The JPEG image also contains a list of the displayed graphs to help identify the data Exporting Tests to CSV Files Test data may be exported from the database to a CSV comma separated variable file A CSV file is created for each fixture and for each test step A CSV file is created for the
84. n Test Test Step N p Name LIV 100r 1000 0Pnts at 25C Export To Excel R 1 0hr ACC 75m at 65C 100 0hr BI 1 0hr LIV 65 25C Microsoft R Excel Worksheet _ P Projects Reliatest Software Dace RelaT est Workbook xls Tests to Export to Worksheet Step Name Scenario Demonstration Test Export To Application Uo not rename move or delete these teste without reconfiguring this infrumatinn Testing Actions The test scenario can continue with subsequent tests 3 while the data is exporting into the worksheet orit can Contine Testing delay testing until the export process is complete O Delay Testing Dane esi Changes Changes Changes are automaticaly appled when a new test is Figure 6 12 Export to Microsoft Excel Test Step Configuration Test Step Name The user defined name of this test step This name does not need to be unique This field is limited to 30 characters Microsoft 5 Excel Worksheet The full directory path to a preexisting Microsoft Excel worksheet The test CSV data is copied into the specified sheets of this worksheet Tests to Export to Worksheet The list of test steps which are copied into the worksheet The test steps must be a part of the same test scenario as the active Export to Microsoft Excel test step The test steps may be added removed and the order maybe rearranged The test scenario may be assigned to export If so all of t
85. n detail Refer to Chapter 7 for instructions on viewing the test data once the test has started How to Configure a Test The basic process flow for configuring and starting a test is as follows 1 Configure device type Define test scenario Assign device type to a fixture Assign a fixture to a test scenario m BR Nf Start test Device Type Configuration 8 The Device Type Configuration screen is used to set the attributes for DUTs Click the View Device Types button in the top left corner of the Control View to activate the Devices control view To create a new device type right click in the Control View area and select New Device to bring up the window shown in Figure 6 1 Fill in the device type attributes to configure the device Click OK when the page is complete Lightwave 18594248 W 49 lt CONFIGURING AND RUNNING TESTS Device Type Configuration To edit an existing device type right click on the device you want to modify and select Edit Device Type Modify the attributes described below and then click OK si Device Type Configuration DER Device Type Name Name Sanyo DL3149 057 T0 56 Toshiba T Sanyo DL3 Device Limits Shut Off Laser Drive When Laser Drive Current Limit m 50 00 V In Laser Drive Current Limit Laser Off Criteria Monitor Photodiode Current Limit UA 2000 00 In Monitor Photodiode Current Limit Device List Laser Drive Voltage Limit V
86. n of the Door Interlock Switch A door interlock switch shown in Figure 3 1 is located in the chamber base When enabled this interlock triggers the CMMs to ramp the laser current to zero any time the chamber door is opened as soon as the chamber door is closed the laser current is ramped back to the proper level The software will alarm the user and note in the data files when the door is been opened and the interlock triggered Once the door has been closed the software will record the event and resume testing at the point prior to door opening The system is shipped from the factory with the interlock defeated through the ReliaTest software In this state any currently running tests will not be stopped but the door opening and closing will be logged as test events In addition fixture covers are supplied to limit exposure to hazardous optical radiation These covers are described in more detail in Chapter 4 For more information on changing the action of the door interlock see Chapter 10 Door Interlock Switch Figure 3 1 Front View of the LRS 9424B 14 LRS 9424B lt Lightwave SYSTEM FUNDAMENTALS Operation of Control Measure Module Electronics A CAUTION When the chamber door is opened the fixture heaters remain operational even if the door interlock remains enabled Users should be aware that fixtures may be hot to the touch and should observe proper precautions to prevent burns The heater contr
87. nd troubleshooting information are in Chapters 9 and 10 Any special features and complete system specifications are located in Appendix C and D respectively Powering On the System Chamber and Electronics The control measure electronics Ethernet router and chamber vent fan are enabled by switching the main breaker located in the back of the chamber base to the ON position as shown in Figure 1 3 After switching on the main breaker the system requires approximately 3 minutes to execute the start up routines in firmware and enable all power supplies After this delay the green LED power on indicator located on the front of the chamber base should be on Computer and Software Before the computer is switched on make sure the Ethernet cable is connected between the computer and LRS 9424B Two standard network cables are supplied with the system to allow connection between the chamber and computer and computer and facility network if required Refer to the instructions provided with the control computer for details on properly setting up and switching on the computer Once the computer has booted the ReliaTest control software will automatically start and search for all available control measure modules CMMs You can also manually start the software by double clicking on the ReliaTest icon located on the computer desktop Lightwave 18594248 3 lt SYSTEM FUNDAMENTALS Function of the Door Interlock Switch Functio
88. o ReliaTest in order to distinguish between emails from yourself and emails from ReliaT est Address Information Requires Authentication Name ReliaT est User Name Email Address reliatest servername com Password Server Information SMTP Outgoing Mail Server tail servername com Send Test Email Server Port Default 6000 6000 Hea Figure 8 4 SMTP Server Configuration The settings in the SMTP Server Configuration screen will be very similar to the settings found in most email software clients such as Microsoft Outlook Use the Address Information fields to configure the From information in future ReliaTest emails Here the email address can be any email address even a fake or nonexistent address in a valid format however it is recommended to change the servername section of the Email Address field to the SMTP email server name from which the emails will be sent It is further recommended to leave ReliaTest in the Name field so that emails from ReliaTest are listed as such from within any standard email client 03 12 LRS 9424B 89 SOFTWARE EVENTS AND ALARMS Software Events and Alarms 90 LRS 9424B IU lt Lightwave CHAPTER SYSTEM MAINTENANCE AND UPGRADES a HH L El Routine System Maintenance The following routine maintenance schedule is recommended by ILX Lightwave Maintenance Task Frequency Performed By Notes Calibrate CMMs and Fixtu
89. ol circuits are active when the door is opened so that devices remain at the proper temperature for the duration of the test cycle Fixture temperatures are maintained within specification when the chamber door is opened for less than approximately one minute Operation of Control Measure Module Electronics The CMMs contain the bipolar laser current sources as well as current voltage photodiode measurement circuits and temperature control circuits The CMMs can only be controlled via computer using the ReliaTest software Each CMM is an independent test instrument Each fixture can run a different test independent from all others This flexibility allows every fixture to be at a different temperature and tests can be started and stopped independently Software Fundamentals When launched the ReliaTest software will automatically search the Ethernet connections for any available CMMs and will identify them according to their serial numbers and present operational status When the software is started for the first time there will be default information available on system device and test setups The software allows you to create device types view test profiles scenarios view currently running tests with their operational parameters view data from current tests and view historical data In situ LIV tests are easily performed at any time in the test cycle using either the back facet or front facet detectors depending on the devic
90. op of the laser will be calculated based on this value Nominal lop The optional field denoting the typical operating current of the device The Pop of the laser will be calculated based on this value Slope Efficiency Method Point 1 and Point 2 The optional information used to determine the slope efficiency of the laser The points entered define the line with the slope of the laser s Light versus Current data Predefined External Power Points are entered in terms of optical power Watts Percentage of Pop lop Points are entered as a percentage of the calculated Pop lop Predefined Laser Drive Current Points are entered in terms of the drive current 56 LRS 9424B iit lt Lightwave CONFIGURING AND RUNNING TESTS Creating New Test Steps Monitored Burn in A monitored burn in test may be several minutes to several thousand hours in length It is a test where the system attempts to hold one operation parameter constant throughout the entire test while recording the remaining parameters These parameters may be laser drive current internal backfacet monitor photodiode current or output power Control via output power is only possible through the use of an external photodiode array that has been calibrated for absolute power measurement The Monitored Burn in configuration screen is shown in Figure 6 6 Barre Hari interval Meutes Meum 1 Meuse Meanurement Avesagng Span Meres
91. put AC cable Returning Components for Repair If troubleshooting has failed to remedy the problem return of one or more components of the system for repair may be required Before returning parts or equipment a Return Material Authorization RMA number must be obtained from ILX Lightwave The equipment must be shipped in the original packing carton or one that will provide equivalent protection with freight and insurance prepaid by the customer The equipment should be sent to the factory at the address below referencing the Return Material Authorization number ILX Lightwave Corporation ATTN RA 31950 East Frontage Road Bozeman MT 59715 USA Repairs are warranted for the remainder of the original warranty or for 90 days whichever is greater Lightwave lt APPENDIX A CHANGING THE COMPUTER LOG ON PASSWORDS a El E m El m El a E E The system control computer is configured at ILX Lightwave to automatically reboot after a power failure This section contains information on changing the log on passwords so that the computer can automatically log into your local networks on startup and so that you can change the password to match your convention Configuring PC to Automatically Boot Into Windows The LRS 9400 control PC is configured to automatically resume all of the running tests after a power failure This feature happens in four separate steps 1 The PC automatically boots w
92. puter Log on Passwords Configuring PC to Automatically Boot Into Windows 97 Automatically Booting PC 97 Automatically Logging Into PC and Network 97 Automatically Starting ReliaTest 99 Automatically Resuming Tests in ReliaTest 99 Appendix B Facility Preparation Guide 03 12 Chamber Transit Corridor 101 AC Input Power 101 LRS 9424B v Network Access 102 Network Questionnaire 103 Appendix C Custom Features Appendix D Specifications 3 AA lt lt Lightwave SAFETY AND WARRANTY INFORMATION The Safety and Warranty Information section provides details about cautionary symbols used in the manual safety markings used on the instrument and information about the Warranty including Customer Service contact information Safety Information and the Manual Throughout this manual you will see the words Caution and Warning indicating potentially dangerous or hazardous situations which if not avoided could result in death serious or minor injury or damage to the product Specifically A CAUTION Caution indicates a potentially hazardous situation which can result in minor or moderate injury or damage to th
93. r information on automatic computer restarts Wait for power to be restored The computer will automatically restart once the facility power is restored Refer to Chapter 8 System power failure Facility power failure Refer to Chapter 8 for information on restoring power to the system after a power failure Erratic or unstable temperature control AD590 temperature sensor is failing Widely varying set points between fixtures Sensor may need replacement Contact ILX Lightwave for information on obtaining a calibrated AD590 and software to update the fixture EEPROM If multiple fixtures are running at widely varying temperatures some fixtures may not maintain their setpoints if they are at substantially higher or lower temperature than other fixtures Contact ILX Lightwave for in depth applications assistance Fixture will not maintain temperature set point at low temperature DUTs are generating too much heat Lasers in the fixture are generating too much heat and cause the fixture to self heat Contact ILX Lightwave for in depth applications assistance LRS 9424B 95 96 LRS 9424B TROUBLESHOOTING Troubleshooting Procedures Fixture will not maintain Exhaust fan is on If other fixtures are running at low temperatures temperature set point at Mus SIS AINA n aa h If Mia isa due number of fixtures with high temperature se high temperature points then they may no
94. r varchar 128 Uniqueld int TestParentName varchar 51 Connectionlnfo varchar 128 OutputOffReason varchar 256 DateTestParentWasStarted datetime ParentinstConninfoStr varchar 128 Connectioninfo varchar 128 IsVirtual int Boolean IsFailed int Boolean IsConnected int Boolean QueriedModelNumStr varchar 64 PermanentlyFail int Boolean UseApcinternalSetpoint int Boolean UseApcExtemalSetpoi t Boolean UseAccSetpoint int Boolean ApcinternaluA float in terms of uA ApcExtemaluA float in terms of uA or mW AccSetpointmA float in terms of uA UserDefName varchar 128 XpdCalFilePath varchar 512 FixtureCapabilityStr varchar 512 Used Internally TestActionBurnin Uniqueld int TestParentName varchar 51 DateTestParentWasStarted datetime TestStepName varchar 30 IndexinScenario int ActoinState int TestStatus varchar 512 TestStartedOn datetime TestResumedOn datetime TestFinishedOn datetime TestlsResumed int Boolean UserAbortRequest int Boolean OriginalLength bigint in ticks or 100 nanoseconds CurLengthExecuted bigint in ticks PrevLengthExecuted bigint in ticks MeasurementPeriod bigint in ticks LasersAreBumingin int Boolean TemperatureSetPointC float ControlMode int enumeration for ACC 0 APC Internal 1 APC External uA
95. r with the LRS 9424B system will be logged by the software The error messages give an indication of the nature of the error and may provide clues to help resolve the problem Problem Symptom Possible Causes Action Erratic or unexpected laser measurement values Dirty electrical contacts on the fixture Clean contacts by rubbing along the contacts with a Gold Guard Pen or use an acetone dampened wipe followed by an alcohol wipe Newly loaded fixture not recognized by software Improper fixture insertion CMM firmware is locked up Remove and re insert fixture making sure that the fixture is properly seated in the connector Software will not be able to communicate with the CMM any fixture that is inserted into the shelf will be inoperable The system power must be recycled in order to reset the CMM firmware Fixture READY light doesn t blink when fixture is installed Fixture EEPROM is corrupt Improper fixture insertion Move fixture to a different CMM slot if problem still occurs then the fixture EEPROM is corrupt Return the fixture to ILX Lightwave for repair An error message should appear in the ReliaTest event log Remove and re insert fixture making sure that the fixture is properly seated in the connector Lasers don t come on after system recovers from a power failure High current power supplies are not yet switched on The power supplies that drive the laser curr
96. rations Interface is very similar to the Engineering Interface with a few minor differences 2 Access between the Operations Interface and the Engineering Interface is 13 provided through the pad lock icon on the main screen Running Tests List Differences In the Operations Interface the Running Test list contains only the tests that are actively running in the system Tests which have been recently paused or aborted stay in the Running Test list for one hour In the Engineering Interface the tests in the Running Test list are listed in the order that they are started The tests in the Operations Interface Running Test list are listed in the order of the shelves that they are running on Test View Differences In the Operations Interface the Test View may be hidden or displayed by the user If the Test View is displayed it will only contain the test scenario status The status information for the test steps is not displayed This is intended to keep the interface simple and easy to understand If the user clicks on the test step only the test scenario status is displayed in the Test View 46 LRS 9424B IU lt Lightwave 03 12 RELIATEST SOFTWARE Restricted Areas Operations Interface The Operations Interface may be configured to restrict the user s access only to the areas of the software that are required for operating the system Areas of the software that are used to configure the system may be inaccessible
97. re must be installed in the chamber in order to assign a device type to it The Ready LED on the fixture will begin blinking to indicate that the fixture is properly installed The fixture color in the System View will change from white to dark gray once the system recognizes that a fixture has been installed Change the Control View to show the list of device types and change the System View to display the Chamber View The screen should appear similar to Figure 6 10 Click and drag the device type to the fixture you are configuring Each fixture can test only a single device type but the same device type can be assigned to many fixtures After a device has been assigned to a fixture the fixture will change to light blue in color EX Lightwave ReliaTest Chamber Door Closed Erhat Fan Medium Change Exhaust Fan Figure 6 14 Device List and Chamber View 03 12 LRS 9424B 65 CONFIGURING AND RUNNING TESTS Creating New Test Steps Starting a Test Scenario on a Fixture Once the devices under test have been inserted into a fixture the system is ready to start testing these devices The fixture maybe assigned to the desired test scenario and the test scenario may be started on that fixture Prior to starting a test scenario if the test scenario does not have a default device type configured in the test scenario settings the device type must be assigned to the fixture The first method to start a test is to
98. res Annual ILX Lightwave Send CMMs to ILX Check chamber ventilation fan Annual Customer Vacuum any trapped dirt and duct Clean fixture card edge As needed Customer Clean with a Gold Guard contacts Pen or use acetone followed by alcohol Clean laser diode sockets on As needed ILX Lightwave Requires that the fixture be fixture disassembled which may result in damage to the heat wire if done improperly Remove old tests from the As needed Customer Ensures that ReliaTest running or historic lists operates efficiently Routine Fixture Maintenance The laser diode fixtures require very little routine maintenance aside from the recommended periodic contact cleaning Temperature Sensor Calibration It is recommended that the fixture temperature sensors be recalibrated on an annual basis This may be accomplished by returning the fixture to ILX Lightwave IN lt Lightwave LRS 9424B 91 SYSTEM MAINTENANCE AND UPGRADES 7 Routine Fixture Maintenance Cleaning the Card Edge Electrical Contacts The card edge contacts are rated for 2000 insertion cycles but periodically the card edge electrical contacts should be cleaned Be sure to inspect card edge connector prior to cleaning ILX recommends Chemtronics Gold Guard Pen M for cleaning the card edge electrical contacts The Gold Guard Pen cleans and lubricates the card edge electrical contacts Other methods such as acetone wetted wipe followed by
99. right click on the fixture and choose the menu item Start Test This method opens a list of tests that may be started Select the desired test and enter any optional user information presented Click the Start Test button to start the test The user may then be prompted with the device serial numbers if ReliaTest is configured to require them The second method is to select the Existing Tests lists in the Control View and click on the desired test scenario With the test scenario selected highlight test desired fixture with the mouse and click the Add Selected Fixtures button Click the Start Test button to start the test If the test scenario requires any optional user information a screen is presented for the user to enter the information The user may then be prompted with the device serial numbers if ReliaTest is configured to require them Only one test scenario can be run on any given fixture at a time but the same test scenario configuration can be run simultaneously on as many fixtures as needed A completely configured test scenario is shown in Figure 6 14 66 LRS 9424B iit lt Lightwave 03 12 CONFIGURING Lightwave ReliaTest E ACC Bumin Detector Sensitivity Test 8 Quick Sys Check TAD 213 Calibration EMLBI EMLLIV E EML Extinction 9 K17LA Characterization Engineering Chamber 51 Fixture 1 4752 1235 Resistors AND RUNNING TESTS Creating New Test Steps Figure 6 15 Complet
100. rios with the same name AND start date There will exist multiple entries of scenarios with the same name as these represent different running historic instances of the same configured test There will exist multiple entries of scenarios with the same start date All Configured scenarios have a default invalid start date of 1 1 1900 SQL Query for Fixture Data SELECT FROM Inst94xx4xxDbData WHERE TestParentName LIKE K17LA Characterization AND DateTestParentWasStarted 2005 09 29 12 34 58 Modify the table name in the above SQL query to load the test steps for this Scenario Each test step table must be queried Test Step Tables The basic version of ReliaTest contains six test steps Each step is listed here with the respective table in parenthesis Bum in TestActionBurnin LIV TestActionLIV System Check TestActionSystemCheck Export To Excel TAExportToExcel Support Application TARunSidekick Execute Program TAExeCmdLine Figure 7 8 SQL References Database Maintenance To prevent the system computer from slowing down or lagging routing database maintenance should be performed This involves removing old tests from the running and historic test lists If the data is critical it is recommended that the test is exported to CSV or Excel for future analysis Proper maintenance of the database will help improve the speed of ReliaTest and will increase the overall system performance 03_12 LRS 9
101. rocess is to allow data to be placed into a preconfigured Microsoft 9 Excel workbook A workbook may be created to analyze the expected ReliaTest data to create reports or perform other test post processing The Macro may be utilized to automatically save print and close the Microsoft Excel workbook upon completion of the post processing analysis LRS 9424B 77 78 VIEWING DATA AND DATA MANAGEMENT Database Management Database Management LRS 9424B ReliaTest is compatible with MSDE Microsoft Database Engine and SQL Server The control computer is configured at ILX Lightwave with a SQL Express database installed on the PC This database is the primary database that is used by the software to store all of the configuration and test data This database also stores the device and test configurations as well as the data from completed tests historical data The database configuration window is shown in Figure 7 6 and is accessed by selecting the System gt Database Configurations menu item and clicking on the Advanced button Database amp File Storage Configurations Database Backup Information Backup Fi Enable Database Backup Daily v Interval Every Day v Time 2 00 00 PM 2 Database backups to network locations are copied 15 minutes after the specified backup time Backup Location P ReliaT est Database Backups m ILX S400 ilx ReliaTestDB Enable Database Server Name ILX
102. rom date of shipment During the warranty period ILX will repair or replace the unit at our option without charge Limitations This warranty does not apply to fuses lamps defects caused by abuse modifications or to use of the product for which it was not intended This warranty is in lieu of all other warranties expressed or implied including any implied warranty of merchantability or fitness for any particular purpose ILX Lightwave Corporation shall not be liable for any incidental special or consequential damages If a problem occurs please contact ILX Lightwave Corporation with the instrument s serial number and thoroughly describe the nature of the problem Claims for Shipping Damage When you receive the system inspect it immediately for any damage or shortages on the packing list If the system is damaged file a claim with the carrier The factory will supply you with a quotation for estimated costs of repair You must negotiate and settle with the carrier for the amount of damage International Contacts For international customers a current list of distributors can be found on our website http www ilxlightwave com 03_12 LRS 9424B ix Ld Comments Suggestions and Problems To ensure that you get the most out of your ILX Lightwave product we ask that you direct any product operation or service related questions or comments to ILX Lightwave Customer Support You may contact us in whate
103. rspersed LIV The data reported in the ReliaTest graph and CSV files are based on the analysis of the periodic LIV tests threshold lop Pop Pop lop Vop lop slope efficiency the temperature of the LIV and the time of the LIV The sampled burn in test contains configuration screens for the both the burn in test and the periodic LIV tests JU Test Configuration Sampled Darn Text Configuron Bumin Configuration LIV Configustion Sampled Dum Test Nana 0 Name 7 1000 0r BI 24 Ov LIV Burn Length Hour LN Interval Hour The equency of LIV test during the Bumin t Changes re 5 400 0 89 applied when new test is elected ewe Apply Gueges Cancel Changes Figure 6 8 Sampled Burn in Configuration Main e Sampled Burn in Test Name The user defined name of this test step This name does not need to be unique This field is limited to 30 characters Burn in Length The time in hours that the devices in test will be at the burn in drive current and temperature set points This represents the total burn in time of the devices for this test LIV Interval The frequency within the burn in test that the LIV tests should occur An LIV test will always occur at the very beginning and end of the test Limit Temperature Ramp to 4 C Minute Ensures that when temperature cycling between the LIV and burn in tests temperatures the fixture temperature will not increase decrease by more than 4 per
104. step of a test scenario such as an LIV or burn in Test Scenario A sequence of test steps which when combined create an entire test sequence Events Any occurrence that causes the software to generate an alarm or alert message Control Measure Module The electronic current source board used to drive a full shelf in the chamber a single control measure module CMM can drive up to 128 DUTSs on four fixtures and includes temperature controllers and TCP IP communications circuitry Table 5 1 ReliaTest Terms Lightwave 18694248 31 lt RELIATEST SOFTWARE Starting the Computer and Software Starting the Computer and Software The computer is configured to automatically power up when AC power is applied It will automatically log onto your facility s network start the ReliaTest control software and connect to the LRS 9424B Refer to Appendix A for instructions on changing the log on passwords Before the computer is switched on make sure the Ethernet cable is connected between the computer and LRS 9424B The connection should be between the lower RJ 45 jack on the computer and the right most jack on the rear of the chamber Refer to the manufacturer s instructions provided with the control computer for details on properly setting up and powering the computer Once the computer has booted the ReliaTest control software will automatically start and will search for all available control measure modules CM
105. t with the exception of having a faster data collection rate and a smaller maximum test length The maximum test length is 30 minutes and the minimum data collection interval is 10 seconds Export to Microsoft Excel The Export to Microsoft amp Excel test step copies test CSV files directly into an existing Microsoft amp Excel workbook This Export to Microsoft Excel test step can only export tests that belong to the same test scenario as the test step The Microsoft 9 Excel software application is required for this test step to operate correctly the Microsoft amp Excel software application is not supplied with ReliaTest The Export to Microsoft 9 Excel test step exports the assigned tests to temporary CSV files The temporary CSV files are copied into the assigned workbook A worksheet is created for each test s CSV file The first test CSV file is copied into a worksheet named ReliaTestData 1 the second to ReliaTestData 2 and so on LRS 9424B 61 CONFIGURING AND RUNNING TESTS Creating New Test Steps If a worksheet already exists with this name the data in the worksheet is lost when the new data is copied into the worksheet Once all of the CSV files have been copied into the workbook ReliaTest automatically runs a Macro named ReliaTest_AutoRun If the Macro does not exist ReliaTest ignores this option ReliaTest leaves the Microsoft 9 Excel workbook open when it finishes d Test Configuration E Demonstratio
106. t is supplied with the LRS 9424B system can be used to control the system It has been configured at the factory with the proper control software and operating system configurations If any other computer is used to control the chamber the results may be unpredictable and the software may not function correctly Powering ON the System The Control Measure modules need to be installed prior to powering up the system The control measure modules are normally installed by a representative from ILX Lightwave or in special cases with instructions from ILX It is critical to handle the CMMs with proper ESC precautions System Validation Once the ReliaTest software is running you will be able to begin system validation The exact validation process will vary and is based on your test system design and functional requirements A typical validation procedure will verify that laser control and measurement functions are operating properly and within specification and all temperature control circuits work properly 12 LRS 9424B lt Lightwave CHAPTER 3 SYSTEM FUNDAMENTALS 5 El a li El mH E BH E E B EJ a This chapter discusses the fundamentals of the LRS 9424B chamber electronics fixtures and software operation and is written as a general guide Detailed information on using the laser diode fixtures is found in Chapter 4 software information is located in Chapters 5 through 8 and system maintenance a
107. t maintain the set point because too much ambient air is being drawn through the chamber in order to keep the other fixtures cool Contact ILX Lightwave for in depth applications assistance ReliaTest stops Ethernet cable is Reconnect Ethernet cable between computer communicating with the disconnected and chamber Refer to Chapter 2 for information LRS 9424B on which Ethernet ports are used Also refer to Chapter 8 for information on how ReliaTest recovers from a loss of communication event Go to the DOS prompt using the Start Run button in the menu bar at the bottom of the screen At the DOS prompt type ping IP address gt using the IP address of the CMM If the response indicates a ping return then the cable is connected and the loss of communication is caused by a different problem Contact ILX Lightwave for in depth troubleshooting instructions ReliaTest stops CMM firmware is System power must be cycled in order to reset communicating with the locked up the CMM firmware control measure module Processor module If communications are not restored after cycling has failed the system power or if the CMM does not respond to the PING command from the DOS prompt the processor module may have failed Contact ILX Lightwave for in depth troubleshooting instructions Chamber continually True earth ground Rewire AC service to disconnect AC Neutral wire resets itself does not exist on and replace it with earth ground in
108. test even if the ReliaTest software is not running then the CMMs will shut the lasers off at the end of the burn in test without software intervention If an LIV test step was running when the computer power failed ReliaTest will resume testing the same device when the power is restored When the computer is restarted the ReliaTest software will resume automatically and then check the database to determine if there are any tests currently running in the chamber It will then annotate the database with information about the power failure download data from the CMMs to the database and resume any running tests While ReliaTest is resuming tests the icon next to the test scenario will change to the Auto Restarting icon 03 12 LRS 9424B 85 86 J SOFTWARE EVENTS AND ALARMS Software Events and Alarms A CAUTION LRS 9424B Do not close ReliaTest while it is restoring tests If the software is closed while it is downloading stored data from the CMMs then the data will be lost and cannot be recovered Refer to Appendix A for information on setting network and computer user names and passwords so that the auto restart feature functions properly on your network Chamber Electronics Power Failure The CMMs have built in power failure detection circuitry and will ramp down and short the laser current sources within 20 ms after detecting a power failure The system will also pause the test scenarios if a power brownout is detecte
109. the four laser PD connection combinations available on the standard fixture For more information on setting the pin configuration in the software refer to Chapter 5 6 LD Laser PD C Common PD PD C Figure 4 4 Pin Configuration Key First remove the device retaining plate from the laser diode fixture by removing the six socket head cap screws using a 7 64 Allen wrench Set the screws aside so they will not be lost To insert the laser in the fixture make sure that the pins are straight and in the proper orientation Insert the tip of the laser pins into the socket on the fixture circuit board Gently apply pressure straight down to seat the laser package The sockets are designed to require very little insertion pressure if excessive 03 12 LRS 9424B 23 FIXTURES Loading Fixtures with Devices resistance is met stop inserting the laser and pull it out of the socket Try again to insert the laser pins If the device still will not seat properly the laser pins may be bent or the socket may need to be cleaned Refer to Chapter 9 for maintenance instructions Laser Photo Diode Laser Photo Diode Jn al Common Common Laser Photo Diode r Photo Diode 7 TA Common Common Figure 4 5 Pin Configuration Combinations Once all lasers are inserted in the fixture replace the retaining plate by aligning the two pins with the corresponding holes in the hot plate Once it is properly aligned the retaining plate sho
110. the cowling is removed MA warning Lethal AC voltages are present when the cowling cover is removed Make certain the system has been disconnected from the AC main circuit before any work is begun on components within the system pedestal A CAUTION When the chamber door is opened the fixture heaters remain operational Users should be aware that fixtures may be hot to the touch and should observe proper precautions to prevent burns 8 LRS 9424B BILI Lightwave CHAPTER 2 INSTALLATION 5 El a li El El Ej El ES El EJ Ei This chapter describes the steps that must be followed before you can begin using your system for normal operations Normally an ILX Lightwave representative should be present to manage the installation system validation and training at your site Installation Requirements The LRS 9424B requires 200V 240V 50 60Hz 30A single phase electrical service with true earth ground For CE Marked systems the AC service is permanent The service connector should be located within 1 meter 3 of the center of the LRS 9424B and between 15cm and 55cm above the floor 6 22 The power cord exits the back of the chamber base below the electronics cowling Figure 2 1 on the following page illustrates the chamber dimensions Lightwave LRS 944B W 9 lt INSTALLATION Installation Requirements m 35 5 _____ 25 5 H 12 Front View Side
111. to export the data to a Microsoft 9 Excel file or to a CSV format file Once the data is stored in the database other programs can be used to access the data or run reports Graphing Test Data The graphing button is on the left side of the main window between the Control View and the Test View sections The graphing functions are accessed by clicking the graph button in the lower left corner of the Control View Selecting Test Scenarios or Test Steps to Graph You can use the graphing feature to examine data in currently running le tests and historical data on tests that have terminated The procedure for generating the graphs is the same but the location of the raw data is 4 different For data on a currently running test select tests from the Running Tests screen in the Control View To view historical data select tests from the Historical Tests screen in the Control View To select data to graph right click on the test that you wish to graph then select Add To Graph Tests may be added to the graph by clicking and dragging them to the graph icon The number in the graph button on the Control View will increment to indicate the number of tests that have data loaded into the graphing routine Both individual test steps and whole scenarios may be graphed Click the graph button to open the Graph window as shown in Figure 7 1 Lightwave 18594248 1 lt VIEWING DATA AND DATA MANAGEMENT Graphing Test Data 72 L
112. tpoint Overrides Below the fixture temperature display is a section allowing the manipulation of setpoint override files Setpoint overrides will be discussed in more detail in the section entitled Device View From the Fixture View a file containing setpoint overrides may be assigned to a fixture removed from a fixture or viewed Setpoint overrides assigned from the Device View may be saved to a file from this section of the Fixture View External Photodetector Calibration External photodiode arrays have been calibrated to measure absolute optical power A calibration file is associated with the array This file is identified by the array serial number and should be located in the C Program Files ILX Lightwave Corporation ReliaTestXPD Calibration Files directory on the control computer If the calibration was performed after initial system shipment a CD with the calibration files will be provided with the arrays The files should be copied from the CD into the ReliaTest calibration directory Clicking on the Edit button brings up a dialog box allowing the calibration file to be located and associated with the fixture currently being viewed After association has occurred the button text changes from Edit to Clear to allow future fixture and array disassociation This button is only active if the fixture is not presently being used in a test This association remains in force even if the array has been physically removed from the fixture On
113. uld be filled out and returned to ILX Lightwave prior to final test and shipment of the system to allow you to receive the system preconfigured and ready for use 102 LRS 9424B BILI Lightwave Network Questionnaire 1 Will the LRS 9400 be connected to your facility network QO YES Please answer the remaining questions NO STOP HERE 2 Does this network use DHCP Q YES NO 3 If this network uses DHCP what is the network portion of the IP addressing scheme This question is important because the 9400 system must be configured with a different IP addressing scheme for the internal instrumentation network IP Addressing Scheme For example if a computer is configured with the IP address of 192 168 0 24 and the subnet mask is 255 255 255 0 the network portion of the addressing scheme is 192 168 0 0 4 If your facility network does not use DHCP please provide the following information for the system computer Static IP Address Subnet Mask Primary DNS Server Secondary DNS Server Default Gateway 5 Will this computer be a member of a domain or workgroup DOMAIN WORKGROUP Domain or Workgroup Name Establishing a computer name will allow the network administrator to configure the network to allow this computer to join the domain prior to PC installation 6 Primary DNS Suffix 7 The PC will require a user account to authenticate to your network in
114. uld simply drop onto the hot plate with minimal resistance Secure the retaining plate by inserting the socket head cap screws and tightening them with the 7 64 Allen wrench Turn the screws only enough to compress the silicone o rings in the clamp plate Over tightening the clamp screws will not increase the heat transfer between the lasers and the hot plate should be avoided Under tightening the screws may result in inadequate heat transfer and may also result in poor temperature uniformity from device to device If the fixture is being loaded with less than the maximum number of devices possible for that fixture it is highly recommended that they be distributed uniformly across the fixture 24 LRS 9424B lt Lightwave FIXTURES Loading Fixtures with Devices Front Facet Detector Array for TO Can Lasers The standard front facet detector array allows measurement of the front facet power for each device during reliability or burn in tests The array consists of 32 photodetectors either Silicon or InGaAs aligned with each of the 32 laser devices An optical diffuser is positioned in front of each detector to spatially integrate the beam and minimize measurement instability due to spatial variations of the laser output The entire detector array is heated to an elevated temperature to ensure that the detector responsivity remains constant over a wide range of DUT fixture temperatures The detector array will automatically ra
115. ur during power failures hardware communication issues and ReliaTest shutdown events This event is only expected during abnormal or system error conditions 88 LRS 9424B lt Lightwave SOFTWARE EVENTS AND ALARMS Software Events and Alarms Test Processing Finish This event category contains events which occur when a test has finished This event is expected under normal operation This message will indicate to the email recipient that the test is complete and a new test maybe started in that test fixture location Device Failure This event category contains events which occur when a device has been marked as failed by the system or a user Some devices may reach an out of limit condition during normal operation depending on the device type configuration User This event category contains events which are entered by the user This only contains event messages which the user specifically enters Email Server Configuration Currently ReliaTest supports a non authenticated SMTP connection ReliaTest does not support SSL connections SMTP Server Configuration ME This screen allows you to configure an email address for ReliaTest to use when sending event messages Your system administrator can either setup an email account specifically for ReliaTest or you may enter your email address information here If you enter your own email address you may leave the Name of the email address set t
116. used Only test steps within the scenario containing the support application step may be specified When run a correctly configured Run Support Application test step will execute the specified application from the command line and pass as arguments SQL parameters corresponding to the specified test steps With these pointers the support application may query the database and extract the information it needs to do its job Figure 6 9 illustrated the Run Support Application program Refer to Figure 7 5 for the ReliaTest database schema Figure 6 13 Run Support Application 03 12 LRS 9424B 63 CONFIGURING AND RUNNING TESTS Creating New Test Steps Test Step Name Enter a name appropriate for the test step being configured Support Application Path Click on the browse button to navigate to the location of the support application to be run Tests to Pass to Support Application Click the Add Test button to select the test test data to be made available to the support application If the data must be sent in a specific order highlight the appropriate test step and use the up and down arrow buttons to rearrange the test order Testing Actions If the support application can be run in parallel with ReliaTest select the Continue Testing radio button Otherwise select Delay Testing 64 8 lt Lightwave CONFIGURING AND RUNNING TESTS Creating New Test Steps Assign Device Types to Fixtures The fixtu
117. vent messages indicating the door was opened and closed are logged in either case If lasers are configured to shut off the tests will resume when the door is closed Leaving the lasers on while the door is open is a potential safety hazard Please take the necessary precautions All of the shelves in the chamber will be updated to the same value qm Ground 12 5 Supply 12 5V Supply 5 Digital Supply 48V Supply 5V Analog Supply 5V Analog Supply Voltages are updated every 5 seconds LRS 9424B 37 RELIATEST SOFTWARE Using the System View The Chamber Door Open Actions configuration allows the user to enable the chamber door interlock By default ReliaTest is configured to leave the laser drive current on when the chamber door opens ReliaTest will log an event message stating that the chamber door is opened and a second event message when the door is closed ReliaTest may be configured to disable the laser drive current when the chamber door is opened This pauses all Burn in and System Check tests that are running in the chamber when the door is opened The tests are automatically resumed when the chamber door is closed ReliaTest logs an event message when the door is opened and closed 38 LRS 9424B iit lt Lightwave Fixture View RELIATEST SOFTWARE Using the System View Double clicking on a fixture from the Chamber View or clicking on a fixture within the connected instruments tree from
118. ver way is most convenient Phone iei ARE RU Reds 800 459 9459 or 406 586 1244 EL EM Le I RAMS ec ess 406 586 9405 On the Web ali srecen xor REDE ERE E ia ilx custhelp com Or mail to ILX Lightwave Corporation P O Box 6310 Bozeman Montana U S A 59771 www ilxlightwave com When you contact us please have the following information Model Number Serial Number End user Name Company Phone Fax Description of what is connected to the ILX Lightwave instrument Description of the problem If ILX Lightwave determines that a return to the factory is necessary you will be issued a Return Authorization RA number Please mark this number on the outside of the shipping box You or your shipping service are responsible for any shipping damage when returning the instrument to ILX Lightwave ILX recommends you insure the shipment Be sure to use enough packing material to prevent shipping damage We look forward to serving you even better in the future x LRS 9424B lt Lightwave CHAPTER 1 INTRODUCTION AND SPECIFICATIONS I El E El El El E El H 1 E E E This chapter is an introduction to the LRS 9424B Laser Reliability and Burn In Test System and contains unpacking information instructions on how to install and apply power maintenance information specifications and listings of the LRS 9424B options and accessories Product Overv
119. w Multiple fixtures may be selected simultaneously in the Fixtures To Use in Test box Then they can be removed with a single click of the Delete Fixture button After a test scenario has been started fixtures assigned to the scenario will be automatically removed to allow them to be added to other tests 44 LRS 9424B lt Lightwave RELIATEST SOFTWARE Status Color Codes Vf Toshiba 40 C Characterization TimeLeft Unknown Complete Unknown posee I eee IM Fitures To Use In Test Selected Fixtures LRS 9424 S1 Fixture 1 4350 1336 105 9424 S1 Fixture 2 4350 1335 Stat Test Figure 5 8 Test View Scenario Information Status Color Codes As you navigate through the instrument hierarchy shelves fixtures and DUTs change color to indicate their status A color code list is viewable from the Chamber View by clicking on the Show Color Legend button The color codes are explained in Figure 5 9 LRS 9424 System Legend Of Colors Figure 5 9 Status Color Codes 03_12 LRS 9424B 45 RELIATEST SOFTWARE Operations Interface Operations Interface The Operations Interface provides a simple clean interface for repeatable every day use of the software Where the Engineering Interface allows full access to the Device Configuration and the Test Configuration windows the Operations Interface is designed purely for starting and stopping tests that have already been configured The Ope
120. y actigned to oriy future Set Pori verde Fle Laser De Dawa The lanes output wil stay on for 3 minutes aher the end of ther teit step or unti another Bumin or LIV teit step sana Thi feature alow the lasers lo ieman on while another teat step sues The speclicaly used when runing Io burn esti of lees hes mhad stating of the lasers Lacer Oot Shu cif Laver At End of Step Rec Change Cancel anges ranges are adem aly acphed when a new et a Figure 6 10 Sampled Burn in Configuration Advanced Advanced parameters allow users to fail devices based on changes in benchmark data In addition a set point override file can be used for the burn in test 60 LRS 9424B lt Lightwave 03 12 CONFIGURING AND RUNNING TESTS Creating New Test Steps Sarees T est Sangid Burn Test Corfgaation arrn Corfgaaten 1000 Ob Bl 24 Ohr UV Figure 6 11 Sampled Burn in Configuration LIV For information about the burn in or LIV configuration screens please refer to the sections in this manual which describe those test steps Monitored System Check The Monitored System Check test is useful for verifying the system configuration before beginning a long burn in test This test performs all the same functions as the burn in and will allow you to identify any inconsistencies or errors in your test configuration The Monitored System Check function is nearly identical to the burn in tes
121. y gravity The cover prevents air currents within the chamber from affecting fixture temperature stability as well as blocks any potentially hazardous laser radiation the devices may be emitting If fixture temperatures in excess of 100 C must be used it is recommended that any external photodiode arrays be removed from those fixtures to prevent errors induced by responsivity drift When the external photodiode array is not being used the fixture cover must be installed to limit exposure to potentially hazardous optical radiation and to aid in temperature stabilization above 100 C 03_12 LRS 9424B 29 FIXTURES Fixture Temperature Control 30 LRS 9424B IU lt Lightwave CHAPTER B lg EI El RELIATEST SOFTWARE This chapter describes the screens and functions that are accessed when configuring tests fixtures and devices for tests using the ReliaTest system control software The process that must be followed to configure a test is described in Chapter 6 Configuring and Running Tests Software Terms and Fundamentals The software is easy to use once the basics are well understood and a few terms that are helpful to know are listed in Table 5 1 Device Laser TOSA or other device under test DUT Device Type A set of configuration instructions that define a particular device type includes current limits temperature limits and laser safety off criteria Test Step A single

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