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Keysight 16197A Bottom Electrode SMD Test Fixture

1. Figure 3 7 Dimensional Drawing of a Blank Device Guide 21 gt 10 5 24 e gt al g om zu oe 195 21 e CA 7 85 7 85 ii mm Figure 3 8 Electrode Positioning 2 02 0 2 0 2 0 t gt G gi N L 2 DW re p ny t i e a 3 02 5 3 5 4 0 mm A guide holder is placed onto the device guide Figure 3 9 A shows the inside diameter of the guide holder Figure 3 9 B shows the movable range of the pressure rod Chapter 3 39 Figure 3 9 Operation Working with the Device Guide Inside Diameter of Guide Holder amp Movable Range of Pressure Rod 12 A Inside diameter of device holder B Movable range of pressure rob mm Determine the position of the frame to be prepared keeping in mind the following requirements The electrode of the DUT must maintain equal contact with both the center electrode and electrode plate The electrode of the DUT must have a large contact area and the electrode space between the center electrode and electrode plate must be as large as possible e The pressure rod must be able to press the center of the DUT to stabilize the DUT during measurement Example of Preparing the Device Guide Preparing the Device Guide for a 2520 SMD The figure below shows an example of preparation for a device guide for a 252
2. Additional Error Additional errors are calculated as follows Z Measurement Additional error for Impedance Ze is calculated by substituting the values in the table below into the following equation Ze A Zs Zx Yo xZx x 100 where A Test Fixture s Proportional Error Yo S Test Fixture s Open Repeatability S Zs Q Test Fixture s Short Repeatability Q Zx Q Measured Impedance Value of DUT Q Zs 30 150 x f x 10 Q Yo 2 30x f x 10 S A 1 2 x f where f is frequency GHz D Measurement Additional error for Dissipation Factor De is calculated by using the additional error for Impedance Ze as follows If Dx lt 0 1 De Ze 100 If 0 1 lt Dx lt 0 5 De Ze 100 x 1 Dx where Dx is the measured value of D It is necessary for Ze to be below 10 D is not expressed as a percentage but as an absolute value 66 Chapter 5 Specifications and Supplemental Performance Characteristics Supplemental Performance Characteristics Rs ESR Measurement Additional error Rse of the Rs measurement is calculated by using the additional error for Impedance Ze as follows If Dx lt 0 1 Rse Ze Dx Rse Ze Dx x N 1 Dx Dx is the measured value of D and is calculated as follows If 0 1 lt Dx lt 0 5 Dx 2 x 1 x f x Csx x Rsx where f measurement signal frequency Csx measured value
3. For any assistance contact your nearest Keysight Technologies Sales and Service Office Addresses are provided at the back of this manual Typeface Conventions Bold Boldface type is used when a term is defined For example icons are symbols Italic Italic type is used for emphasis and for titles of manuals and other publications Hardkey Indicates a hardkey labeled Hardkey Softkey Indicates a softkey labeled Softkey Hardkey Softkey1 Softkey2 Indicates keystrokes Hardkey Softkey1 Softkey2 Contents 1 Installation Guide Inspection before Unpacking unanuia nrun 10 Assembly and Storage of 16197A 2 0 ene n tne n teen n tenes 13 Assemblyof 6197As cud ids ive atop ee ba hots bees 13 MMOL A SO hci RSS osc assis ech BEER E SEN GERER ERS ER EEE NEUERER N REF E utters ei ER TEN alban ene testeu ens 15 Changing the Positions of the Guide Holder Fixing Screws 0 c cece eee eee een 16 Method for Changing the Positions of the Guide Holder Fixing Screws 00 00sec eee ee 16 Connecting the Test Fixture with a Measuring Instrument 00 00 c cece eee ees 18 2 Product Description Product Description 2 323 nee Ariane Ranes OENE 22 Mechanism for Connecting a DUT Device Under Test 0 cece eee 23 Names amp Functions of Parts 2 36 0de0ce rose orse RRS ren ee RAGS RoR SES ewe A 25 Names amp Functions of Accessories 2 0 ce ene nett e nent ene e ee
4. 6 Guide holder Used to fix the electrode plate and device guide 7 Pressure adjusting nut Used to adjust the DUT retaining pressure of the pressure rod 8 Pressure unit Apparatus to retain the DUT etc 9 Electrode unit The electrode section to which the DUT etc are connected Chapter 2 25 Product Description Product Description Names amp Functions of Accessories Figure 2 7 shows the names of standard accessories for the 16197 A and those of accessories available in Option 001 Figure 2 7 Accessories ona 1 Device guide 2 Blank device guide 3 Electrode plate 4 Shorting bar set 5 Tweezers 6 Allen wrench Option 001 ee 7 Magnifying glass LT RRS LEE ne 9 Device guide 10 Electrode 11 Shorting bar 8 Cleaning Rod pate 101972000507 Table 2 2 Names amp Functions of Accessories No Name Function 1 Device guide Used to position the DUT etc when connecting it to the electrode 2 Blank device guide Used to prepare a device guide frame suited to a DUT ofa size not fitting any frame in the attached device guide 3 Electrode plate Used to create various electrode spaces 4 Shorting bar set Shorting bars in EIA EIAJ sizes and a case for storing them These bars are used during of SHORT compensation 5 Tweezers Used to handle shorting bars the DUT etc 6 Allen wrench Used to tighten loosen hexagonal nuts 7 Magnifying glass Used to mag
5. Figure 3 15 Connecting the Shorting Bar CAUTION Handle each shorting bar with tweezers taking care not to soil it A soiled shorting bar may impair measurement accuracy and repeatability NOTE Take care so that the correct face of the shorting bar is placed in contact with the electrode NOTE Shorting bars can wear out Therefore each time before using a shorting bar measure and compare its resistance with that of a new shorting bar For details see Operation Check 44 Chapter 3 Operation Performing Fixture Compensation on page 76 Step 5 Press the lever the latch is disengaged Figure 3 16 1 Slowly release the lever to lower the pressure rod Figure 3 16 2 Figure 3 16 Setting the Fixture for SHORT State Using a Shorting Bar 1 Press the lever 2 Release the lever NOTE Adjust the position of the pressure unit in advance so that a shorting bar can be pressed at its center by the end of the pressure rod Step 6 Measure the SHORT compensation data according to the operation manual for the measuring instrument to be used NOTE When measurement is not being done lower the pressure rod so it rests on an unoccupied area of the device guide Chapter 3 45 Operation Performing Fixture Compensation Figure 3 17 Standby Position of the Pressure Rod NOTE Confirm that the end of the pressure rod is not deformed Replace the
6. E gt ae o gt Figure 1 5 Pressure Adjusting Nut Pressure adjusting nut To increase pressure To decrease pressure Chapter 1 15 Installation Guide Changing the Positions of the Guide Holder Fixing Screws Changing the Positions of the Guide Holder Fixing Screws If the guide holder fixing screws hamper operation the positions of these screws can be changed Figure 1 6 Positions of the Guide Holder Fixing Screws Guide holder fixing screws Screw positions Screw position at the time of delibery after changing Method for Changing the Positions of the Guide Holder Fixing Screws Before changing the positions of the fixing screws remove the pressure unit Step 1 Remove the four screws that fix the guide holder flange Figure 1 7 Step 2 Rotate the guide holder by 90 degrees together with the components fixed on the flange and again set the guide holder in place Figure 1 7 16 Chapter 1 Installation Guide Changing the Positions of the Guide Holder Fixing Screws Figure 1 7 Changing the Positions of the Guide Holder Fixing Screws 209 G gF Chapter 1 17 Installation Guide Connecting the Test Fixture with a Measuring Instrument Connecting the Test Fixture with a Measuring Instrument Connecting the test fixture 16197A with a measuring instrument requires an adapter suited to the instr
7. is present DO NOT Substitute Parts Or Modify Instrument Because of the danger of introducing additional hazards do not install substitute parts or perform unauthorized modifications to the instrument Return the instrument to a Keysight Technologies Sales and Service Office for service and repair to ensure that safety features are maintained e Dangerous Procedure Warnings Warnings such as the example below precede potentially dangerous procedures throughout this manual Instructions contained in the warnings must be followed Dangerous voltages capable of causing death are presenting this instrument Use extreme caution when handling testing and adjusting this instrument Safety Symbol General definitions of safety symbols used on the instrument or in manuals are listed below Instruction Manual symbol the product is marked with this symbol when it is necessary for the user to refer to the instrument manual Alternating current Direct current On Supply Off Supply In position of push button switch Out position of push button switch Frame or chassis terminal A connection to the frame chassis of the equipment which normally include all exposed metal structure This warning sign denotes a hazard It calls attention to a procedure practice condition or the like which if not correctly performed or adhered to could result in injury or death to personnel CAUTION NOTE This Cauti
8. rod if deformed For the replacement part see Replaceable Parts on page 70 46 Chapter3 Operation Performing Fixture Compensation Measuring the OPEN Compensation Data With the fixture in an OPEN state measure the OPEN compensation data Step 7 Press the lever to raise the pressure rod and remove the shorting bar used to measure the SHORT compensation data Figure 3 18 1 Step 8 Press the lever to raise the pressure rod Figure 3 18 2 and push the latch to secure the pressure rod in its raised position Figure 3 18 3 Figure 3 18 Setting the Fixture for OPEN State 1 Remove the shorting bar 2 Push the latch 3 Release the lever Step 9 Measure OPEN compensation data according to the operation manual for the measuring instrument to be used Chapter 3 47 Operation Connecting and Measuring the DUT Connecting and Measuring the DUT Connect the DUT with the electrode and carry out the measurement Step 1 Place the DUT on the electrode in an appropriate device guide frame Figure 3 19 1 Step 2 Press the lever to disengage the latch Figure 3 19 2 and slowly release the lever to lower the pressure rod Figure 3 19 3 Figure 3 19 Connecting the DUT 1 Place the DUT 2 Press the lever 3 Release the lever Step 3 Perform the measurement according to the operation manual for the measuring instrument to be used CAUTION The DUT may
9. test fixture with the measuring instrument For details see the Operation Manual for the measuring instrument 18 Chapter 1 Step 1 Step 2 Step 3 NOTE Figure 1 8 Installation Guide Connecting the Test Fixture with a Measuring Instrument Below is the general procedure for attaching an adapter to the test fixture For details see the Operation Manual for each adapter Rotate the 7 mm connector on the adapter counterclockwise as viewed from above to completely retract the connecting sleeve Gently place the test fixture onto the adapter aligning the mounting holes with the mounting posts on the adapter and the 7 mm connector with that on the adapter Rotate the 7 mm connector on the adapter counterclockwise as viewed from above to connect it with the connector on the bottom of the test fixture Turn the 7 mm connector on the adapter using a 3 4 inch torque wrench with 12 Ib inch torque Keysight part number 8710 1766 to firmly connect the test fixture Installing the Test Fixture 7 mm Connector Mounting Posts Adapter 16196abcoj0101 Chapter 1 19 Installation Guide Connecting the Test Fixture with a Measuring Instrument 20 Chapter 1 2 Product Description KEYSIGHT TECHNOLOGIES Product Description Product Description Product Description The 16197A is a test fixture for use in measuring bottom electrode chip components It enables highly accurate and repeatable meas
10. these precautions or with specific WARNINGS elsewhere in this manual may impair the protection provided by the equipment In addition it violates safety standards of design manufacture and intended use of the instrument Keysight Technologies assumes no liability for the customer s failure to comply with these requirements 16197A comply with INSTALLATION CATEGORY I and POLLUTION DEGREE 2 in IEC61010 1 16197A are INDOOR USE product e Ground The Instrument To avoid electric shock hazard the instrument chassis and cabinet must be connected to a safety earth ground by the supplied power cable with earth blade e DO NOT Operate In An Explosive Atmosphere Do not operate the instrument in the presence of flammable gasses or fumes Operation of any electrical instrument in such an environment constitutes a definite safety hazard WARNING bho r WARNING e Keep Away From Live Circuits Operating personnel must not remove instrument covers Component replacement and internal adjustments must be made by qualified maintenance personnel Do not replace components with the power cable connected Under certain conditions dangerous voltages may exist even with the power cable removed To avoid injuries always disconnect power and discharge circuits before touching them e DO NOT Service Or Adjust Alone Do not attempt internal service or adjustment unless another person capable of rendering first aid and resuscitation
11. 0 SMD For a 2520 SMD the measuring position for a 2012 device is used electrode space 1 5 mm 40 Chapter 3 Operation Working with the Device Guide Figure 3 10 Example of Preparation of Device Guide for 2520 SMD Electrode Plate 0 5 a 2 5 A120 0 4 1 7 0 4 2520 SMD 4 Preparation of Device Guide Frame for 2520 SMD Example Connecting Conditions of Electrodes and Device mm Prepare the frame at the position shown in Figure 3 10 This position is within the movable range of the pressure rod 4 mm on each lateral side from the center In a frame at this position the electrodes on both lateral sides of the DUT can be placed in equal contact by 0 4 mm width with the center electrode and the electrode plate Example of Preparing the Device Guide for an SOT 23 Device Case Style 287 The figure below shows an example of preparing a device guide for an SOT 23 device For an SOT 23 device the measuring position for a 1608 device is used electrode space 1 0 mm Figure 3 11 Example of Preparing the Device Guide for an SOT 23 Device Case Style 287 R 3 7 7 Electrode Plate 1 3 u 1 3 09 1 0 0 7 i 2 8 d at O D 4 0 35 pa Gd 0 6 an 1 71 4 Ka 2 t14 CT 0 6 ul 0 35 Ta gt a 5 ee 0 3 Center Elektrode 0 95 0 95 N y
12. 6 5 1 Shorting bar 1 6 x 0 8 3 16191 29007 6 1 Shorting bar 2 0 x 1 2 4 16191 29008 7 1 Shorting bar 3 2 x 1 6 5 16197 29001 6 1 Shorting bar for Option Kit 001 6 8710 2081 6 1 Tweezers 7 8710 0909 3 1 Allen wrench 8 16193 60002 9 1 Magnifying glass 9 16197 60050 1 1 Carrying case Chapter 6 73 Figure 6 3 Service Changing the Orientation of or Replacing the Contact Assembly Changing the Orientation of or Replacing the Contact Assembly If the center electrode of the contact assembly is smeared an unused clean area of the center electrode can be used simply by changing the orientation of the contact assembly This section describes the method for changing the orientation of or replacing the contact assembly To change the contact assembly orientation or replace the contact assembly it is necessary to use a 1 5 mm Allen wrench Keysight part number 8710 0909 and a Phillips screwdriver Procedure for Changing the Orientation of or Replacing the Contact Assembly 1 Take off the guide holder and remove the device guide and electrode plate See to Figure 3 4 on page 36 2 Remove the four screws from the upper side of the fixture and then remove the contact assembly and flange Removing the Contact Assembly Flange 74 Chapter 6 Service Changing the Orientation of or Replacing the Contact Assembly 3 Rotate the conta
13. 76 Short Impedance Check 0 cc eet e nee teen etn eens 77 Short impedance Measurement Repeatability Check 0 0 ccc tenes 77 A Manual Changes Manual Changesis uses oe tate iad ek 80 1 Installation Guide This chapter describes the necessary operations to perform before using the delivered bottom electrode SMD test fixture 16197A KEYSIGHT TECHNOLOGIES NOTE Installation Guide Inspection before Unpacking Inspection before Unpacking Upon receiving the product package inspect the packing box before unpacking to make sure it is not damaged Ifthe packing box or packing materials have been damaged keep the box and materials until it has been confirmed that all necessary components have been delivered and that product operation is normal both mechanically and electrically Check the package contents against Table 1 1 If any component is missing or mechanically damaged or defective please contact Keysight Technologies local sales office If the packing box has been damaged or the packing materials have been severely deformed please contact the freight company as well as our sales office Until the freight company carries out its inspection store the packing box and materials as they are with all product components left inside Before using this product for the first time after delivery carry out Deterioration Check on page 56 which is necessary to ensure accurate measurement For details see
14. 90020 www keysight com
15. Acquiring Reference Values on page 57 of the Deterioration Check section 10 Chapter 1 Installation Guide Inspection before Unpacking Figure 1 1 Package Contents of 16197 A 1 2 Device guide 3 Blank device guide 4 Electrode plate 5 Shorting bar set 6 Tweezers 7 Allen wrench lt UT en 8 Magnifying glass 9 Cleaning Rod 1 One is Delivered attached to the test fixture 2 Delivered attached to the test fixture Option 001 _ eae 10 Carrying case 11 Operation and service 12 Shorting bar 13 Device guide 14 Electrode manual plate 16197a0e0501 Chapter 1 11 Table 1 1 Installation Guide Inspection before Unpacking Package Contents of 16197 A No Name Keysight part Oty number 1 Bottom electrode SMD test fixture 16197A 1 2 Device guide 16197 25005 2 3 Blank device guide 16197 25006 3 4 Electrode plate 16197 00603 1 5 EIA EIAJ size Shorting bar set Shorting bar 1 0 x 0 5 x 0 5 16191 29005 1 Shorting bar 1 6 x 0 8 x 0 8 16191 29006 1 Shorting bar 2 0 x 1 2 x 0 8 16191 29007 l Shorting bar 3 2 x 1 6 x 0 8 16191 29008 1 6 Tweezers 8710 2081 1 T Allen wrench 8710 0909 1 8 Magnifying glass 16193 60002 1 9 Cleaning rod 5182 7586 1 10 Carrying case 16197 60050 1 11 Operation and service manual this manual 16197 90020 1 Option 001 12 Shorting bar 0 6 x 0 3 x 0 3 16197 29001 4 13 Device guide 16197 25007 1 14 Ele
16. Keysight 16197A Bottom Electrode SMD Test Fixture Operation and KEYSIGHT Service Manual TECHNOLOGIES NOTICE This document contains references to Agilent Technologies Agilent s former Test and Measurement business has become Keysight Technologies For more information go to www keysight com KEYSIGHT TECHNOLOGIES NOTE Notices The information contained in this document is subject to change without notice This document contains proprietary information that is protected by copyright All rights are reserved No part ofthis document may be photocopied reproduced or translated to another language without the prior written consent of the Keysight Technologies Copyright 2001 2008 2011 2015 Keysight Technologies Manual Printing History The manual s printing date and part number indicate its current edition The printing date changes when a new edition is printed Minor corrections and updates that are incorporated at reprint do not cause the date to change The manual part number changes when extensive technical changes are incorporated January 2001 Edition 1 part number 16197 90000 September 2008 Edition 2 part number 16197 90010 September 2011 Edition 3 part number 16197 90020 February 2015 Edition 4 Safety Summary The following general safety precautions must be observed during all phases of operation service and repair of this instrument Failure to comply with
17. Lever 5 N A 8 1 Pressure unit 6 1460 2662 1 1 Spring 7 16197 23003 6 1 Shaft 8 16197 23004 7 1 Shaft 9 1460 2663 2 1 Spring 10 16197 24004 9 1 Pressure adjusting nut 11 16197 24005 0 1 Screw 12 0515 1185 7 1 Screw 13 16197 24003 8 2 Knob 14 N A 7 1 Sliding block 15 0515 1550 2 Screw M3 Chapter 6 71 Figure 6 2 Table 6 2 Service Replaceable Parts Electrode Unit Exploded View of Electrode Unit Assembly 16197a0j0602 Replaceable Parts Electrode Unit No Keysight part C D Oty Description number 1 0515 1077 6 2 Screw M 2 0 2 16197 25004 1 1 Guide holder 3 16197 25005 2 1 Device guide 4 16197 00603 4 1 Electrode plate 5 16197 25007 4 1 Device guide for Option 001 6 16197 00604 5 1 Electrode plate for Option 001 7 16197 25006 3 1 Device guide blank 8 16197 00601 2 1 Plate 72 Chapter 6 Table 6 2 Table 6 3 Replaceable Parts Electrode Unit Service Replaceable Parts No Keysight part C D Oty Description number 9 0515 0914 8 4 Screw M3 x 0 5 10 0515 0952 4 4 Screw M2 x 0 4 11 N A 3 1 Plate 12 16197 60001 2 1 Contact assembly including contact center 13 16197 24001 6 1 Flange 14 1250 0907 8 1 Contact center Other Parts Replaceable Parts Other Parts No Keysight part C D Qty Description number 1 16191 29005 4 1 Shorting bar 1 0 x 0 5 2 16191 2900
18. Settings of User Limit Values User limit values for the deterioration check should be set appropriately according to the type of DUT required measurement accuracy and so on Example settings of user limit values are shown below To evaluate an inductor L 10 nH Q 10 at a frequency f of 100 MHz with a measurement accuracy of around 20 L 10 nH Q 10 Frequency 100 MHz Required measurement accuracy 20 for both L and Q The reactance X and resistance R of the inductor under the above mentioned conditions can be obtained as follows R X 0 06Q X 2nfL 6Q Therefore Q X R 2nfL R Accordingly if R fluctuates by 20 120 mQ Q will change by about 20 and if L fluctuates by 20 2 nH both L and Q will change by about 20 In other words to measure L and Q at an accuracy of 20 or less error errors in L and R must be 2 nH and 120 m Q at the most respectively Considering that both L and R may fluctuate and allowing for possible causes of error other than a deteriorated fixture the errors must be set smaller than the above mentioned values For the present example with the error set at 25 for both L and R the user limit values for L and R are set at 500 pH and 30 mQ respectively 56 Chapter 4 NOTE NOTE Necessary equipment CAUTION CAUTION Step 1 Step 2 Step 3 Step 4 Step 5 User Maintenance Deterioration Check Note that the above settings are just an
19. and Supplemental Performance Characteristics Specifications Applicable Instruments Refer to the Table 1 2 and Table 1 3 on page 18 Applicable DUT Type Surface Mount Device with bottom electrodes Applicable DUT Size PP Model Length L x Width W x Height H 3225 32 0 15 x 2 5 0 15 x 20 4 mm 3216 32 0 15 x 16 0 15 x 204 mm 2012 2 0 0 1 x 125 0 1 x 20 4 mm 1608 1 60 15 x 0 8 0 15 x 20 4 mm 1005 1 0 0 03 x 0 3 0 03 x 0 4 mm 0603 0 6 0 03 x 0 3 0 03 x 0 25 mm Frequency DC to 3 GHz Maximum Voltage 40V peak max AC DC Maximum Current 5A Operating temp 55 C to 85 C nn humidity 15 to 95 RH wet bulb temp lt 40 C Non Operating temp 55 C to 85 C Environment humidity lt 90 RH wet bulb temp lt 65 C Dimension Approximately 160 W x 86 D x 70 H mm nom Weight Approximately 300 g nom Safety Standards EN61010 1 1993 A2 1995 IEC61010 1 1990 A1 1992 A2 1995 CAN CSA C22 2 No 1010 1 92 INSTALLATION CATEGORY I POLLUTION DEGREE 2 INDOOR USE Chapter 5 65 NOTE Specifications and Supplemental Performance Characteristics Supplemental Performance Characteristics Supplemental Performance Characteristics This section provides useful data on the 16197 A These supplemental performance characteristics should not be considered specifications
20. become hot during measurement If the temperature of the DUT rises the end of the pressure rod may be deformed If this occurs decrease the pressure on the pressure rod to prevent deformation of the end of the rod NOTE To ensure accurate and repeatable measurements place the DUT alongside a fixed edge of each device guide frame Testing a 3216 DUT for instance uses the 3216 3225 frame Since this frame is dimensioned to fit with a 3225 device some clearance remains in the frame if it is used for a 3216 DUT Therefore it is necessary to place the DUT alongside a fixed edge of the frame 48 Chapter 3 Operation Connecting and Measuring the DUT Figure 3 20 DUT Position in the Device Guide Frame 3216 3225 frame 3216 Device 3216 Device Measuring 3216 devices Measuring other devices Chapter 3 49 Operation Connecting and Measuring the DUT 50 Chapter3 4 User Maintenance This chapter describes the operations to perform before starting measurement and the procedures necessary to ensure accurate measurements KEYSIGHT TECHNOLOGIES User Maintenance Description Description Necessity of User Maintenance Through repeated use the fixture s measuring performance will gradually deteriorate over time due to smearing on the contact faces from solder buildup and to mechanical wear and deformation of the contact faces themselves To continually achieve o
21. ct assembly and set it in place so that a clean area of the center electrode is at the measuring position 4 Install the flange and tighten the screws 5 Install the device guide and electrode plate Then mount the guide holder and secure it with the screws Chapter 6 75 Necessary equipment NOTE Step 1 Step 2 Step 3 Table 6 4 Step 4 Step 5 Table 6 5 Service Operation Check Operation Check This section describes the operation check method Be sure to perform the operation check after each time a part is replaced Open Impedance Check Conduct an Open impedance check with the fixture set for the OPEN state e Shorting bars supplied as accessories e Impedance measuring instrument calibrated at the 7 mm connector end If a measuring instrument other than the 4291B is to be used make the equivalent settings according to the Operation and Service Manual for the instrument to be used Prepare a measuring instrument calibrated at the 7 mm connector end Connect the test fixture with this instrument Set the fixture for the OPEN state at the DUT measuring position see Figure 3 18 on page 47 Make the settings for the 4291B as follows Settings for the Measuring Instrument Keysight 4291B Measuring condition Setting Measurement parameter Cp Start frequency 100 MHz Stop frequency 1 GHz OSC Level 0 5 V Number of points 2 Point averaging factor 16 Point averaging ON Un
22. ctance Typical 0 6 x 0 3 x 0 3 0 6 0 3 0 3 0 0585 1 mm 0 1 nH 1 0 x 0 5 x 0 5 1 0 0 5 0 5 0 75 3 5 mm 0 5 nH 1 6 x 0 8 x 0 8 1 6 0 8 0 8 0 45 3 5 mm 0 4 nH 2 0 x 1 2 x 0 8 2 0 1 2 0 8 1 5 7 mm 0 9 nH 3 2 x 1 6 x 0 8 3 2 1 6 0 8 0 9 7mm 0 8 nH Figure 5 2 Simulation Setup Short Bar 7 mm 3 5 mm 1 mm Connector 68 Chapter5 6 Service This chapter describes the replaceable parts of the fixture and the method for replacing parts KEYSIGHT TECHNOLOGIES Figure 6 1 Service Replaceable Parts Replaceable Parts Confirm the part number of each replaceable part with the exploded views and tables shown below Do not disassemble each unit into smaller components than shown in these exploded views In placing an order for each replaceable part designate the corresponding Keysight part number and check digit C D If a defective part to be replaced is part of a component that cannot be disassembled place an order for the entire component Defective parts or components may be sent to Keysight Technologies local sales service office for repair Pressure Unit Exploded View of Pressure Unit Assembly 16197a0j0601 70 Chapter 6 Table 6 1 Replaceable Parts Pressure Unit Service Replaceable Parts No Keysight part C D Oty Description number 1 3050 1138 7 1 Washer 2 16197 25002 9 1 Pressure rod 3 1480 1093 2 1 R pin 4 16197 05001 6 1
23. ctrode plate 16197 00604 1 One is Delivered attached to the test fixture 2 Delivered attached to the test fixture 3 Shorting bars are delivered together in one case 12 Chapter 1 Installation Guide Assembly and Storage of 16197A Assembly and Storage of 16197 A The 16197A is delivered in a carrying case disassembled into a pressure unit and an electrode unit Assemble the fixture before use Disassemble the fixture when storing it in the carrying case Assembly of 16197A Before using the 16197A install the pressure unit onto the electrode unit as shown in Figure 1 2 Figure 1 2 Installing the Pressure Unit Pressure unit g a _WV gt CDP D mo Electrode unit Chapter 1 13 Installation Guide Assembly and Storage of 16197A Installing the Magnifying Glass If the magnifying glass is used install it on the edge of the electrode unit as shown in Figure 1 3 Figure 1 3 Installing the Magnifying Glass me Magnifying glass 14 Chapter 1 Installation Guide Assembly and Storage of 16197A Storage Before storing the 16197A remove the pressure unit from the electrode unit Figure 1 4 and loosen the pressure adjusting nut on the pressure unit Figure 1 5 Also remove the magnifying glass if installed Figure 1 4 Removing the Pressure Unit Knob Knob S ca La
24. der these conditions measure Cp at 100 MHz and 1 GHz separately Confirm that the Cp value is within the typical range shown in Table 6 5 OPEN Impedance Check Typical Parameter Frequency Typical Absolute value Cp 100 MHz 700 fF 400 fF Cp 1 GHz 700 fF 400 fF 76 Chapter6 Step 6 Step 7 Table 6 6 Step 8 Step 9 Table 6 7 Step 1 Step 2 Step 3 Step 4 Service Operation Check Short Impedance Check Upon completion ofthe open impedance check carry out a short impedance check with the fixture set for the SHORT state At the DUT measuring position connect an appropriate shorting bar with the electrode to secure the fixture for the SHORT state See Figure 3 16 on page 45 Make the settings for the 4291B as follows Settings for the Measuring Instrument Keysight 4291B Measuring condition Setting Measurement parameter Ls Start frequency 100 MHz Stop frequency 1 GHz OSC Level 0 5 V Number of points 2 Point averaging factor 16 Point averaging ON Under this condition measure Ls at 100 MHz and 1 GHz separately Confirm that the Ls value is within the typical range shown in Table 6 7 Short Impedance Check Typical Parameter Frequency Typical Absolute value Ls 100 MHz 2 3 nH 1 nH Ls 1 GHz 2 3 nH 1 nH 1 The values given above are common to shorting bars of all sizes Short impedance Measurement Re
25. e ees 26 3 Operation Measurement Flow cy anne aan HOY SEEN BEERS OS SoH aE pr Se ite eee 30 Setting the Electrical Length 0 cece cen ene ee te een ene nent eeeneees 32 Changing the Orientation of the Device Guide and Electrode Plate 0 0 eee eee eee 33 Selecting the device guide frame 0 0 00 ccc cence tte e een e eens 33 Changing the Orientation of or Replacing the Device Guide and Electrode Plate 35 Working with the Device Guide 2 0 een eben ene e ene n eae 39 Reference Data for Preparing a Device Guide Frame 11 06 00 cece eects 39 Example of Preparing the Device Guide 0 2 eect ent nee ene 40 Example of Preparing a Simple Device Guide 0 2 0 eee ccc nents 42 Performing Fixture Compensation ussen 00 cece cece ett nee e enna 43 Measuring the SHORT Compensation Data 1 0 0 0 cect een eens 43 Measuring the OPEN Compensation Data 0 cece nune 47 Connecting and Measuring the DUT 0 0 0 etc tte nee nee 48 4 User Maintenance DESCHPUOM ae a ASIEN een 52 Necessity of Wser Maintenance 2u bean eek kee 0 en nn eh 52 Neem ine hh eck ee we ge entre acento teases ce orn ee 54 Areas Requiring Cleaning eare asus ans een ae en a ana aa 54 Cleaning Method meet ae ee ke E sasa high easiest pia eal nel 54 Deterioration Check siamea cede ek ne a ann ee 56 Example Settings of User Limit Values 0 0c cece cece eet teens 56 Acqu
26. ectrodes The DUT is to be fixed under pressure from the pressure rod Since the movable range of the pressure rod is limited either one of the two lateral frames in the device guide can be used as the measuring position Figure 2 5 Therefore before connecting a DUT it may be necessary to change the orientation of the electrode plate and device guide set in place so that the appropriate electrode and device guide frame arrive at the measuring position Figure 2 5 Measuring Position for Each Device Size Measuring position for 1608 Measuring position for 2012 Measuring position for 1005 Measuring position for Measuring position for 3216 3225 0603 Option 001 24 Chapter 2 Product Description Product Description Names amp Functions of Parts Figure 2 6 shows the part names for the 16197A Figure 2 6 Names of Parts 2 Latch 8 Pressure unit 7 Pressure adjusting nut CR l 4 Sliding block 5 Pressure rod O 9 Electrode unit 6 Guide holder Table 2 1 Names amp Functions of Parts No Name Function 1 Lever Used to raise or lower the pressure rod 2 Latch Used to fix the lever to retain the pressure rod in its raised position 3 Knob Used to fix the pressure unit 4 Sliding block Used to laterally move the pressure unit 5 Pressure rod Used to fix the DUT by downward pressure during measurement
27. eme Measurement value Acceptability Set position of nt pressure parameter adjusting nut Rs mQ Ls pH Rs mQ Ls pH Chapter 4 61 User Maintenance Assembly Check Assembly Check Each time after replacing a part conduct an assembly check to confirm that the fixture has been assembled properly The procedure for performing an assembly check is identical with that for an operation check For the procedure see Operation Check on page 76 in Chapter 6 62 Chapter 4 5 Specifications and Supplemental Performance Characteristics This chapter provides specifications and supplemental performance characteristics of the 16197A test fixture KEYSIGHT TECHNOLOGIES Specifications and Supplemental Performance Characteristics Definitions Definitions Specification spec Warranted performance Specifications include guardbands to account for the expected statistical performance distribution measurement uncertainties and changes in performance due to environmental conditions Supplemental Information is intended to provide information useful in applying the instrument but that is not covered by the product warranty The information is denoted as typical or nominal Typical typ Expected performance of an average unit which does not include guardbands Nominal nom A general descriptive term that does not imply a level of performance 64 Chapter 5 Specifications Specifications
28. ensation and OPEN compensation data Ifthe DUT size or the measuring position is changed perform fixture compensation again If a temperature change greater than 5 C occurs after fixture compensation perform the fixture compensation from the beginning Measuring the SHORT Compensation Data With the fixture SHORT state using a supplied shorting bar measure the SHORT compensation data Rotate the pressure adjusting nut to adjust the pressure on the pressure rod to the same value as used for measurement Loosen the knobs on the sliding block and adjust the position of the pressure unit so that the end of the pressure rod is located at the center of the device guide frame where the shorting bar will be placed Figure 3 13 Adjusting the Pressure Unit Position gt sT Step 3 Press the lever to the limit Figure 3 14 1 With the lever pressed push in the latch Figure 3 14 2 and then release the lever Figure 3 14 3 The pressure rod is then fixed at its raised position Chapter 3 43 Operation Performing Fixture Compensation Figure 3 14 Raising the Pressure Rod 1 Press the lever 2 Push the latch 3 Release the lever Step 4 Using tweezers place an appropriate shorting bar on the electrode along the device guide frame CAUTION Each shorting bar is made exclusively for a particular device size Do not use a shorting bar of the wrong size
29. equency of maintenance and or adopt more strict criteria for each maintenance item The electrodes and shorting bars are consumable Of all the fixture components these parts are most likely to affect the measurement results The electrodes tend to deteriorate gradually since they can easily be smeared with solder transferred from the DUT during measurements Because shorting bars are used to determine the zero reference for fixture 52 Chapter 4 User Maintenance Description compensation smeared or deformed shorting bars can directly influence measurement results This chapter describes the general user maintenance requirements focusing primarily on the electrodes and shorting bars Chapter 4 53 Figure 4 1 Figure 4 2 User Maintenance Cleaning Cleaning Smeared electrodes result in poor measurement accuracy and repeatability Periodically clean the electrodes to ensure accurate measurements Areas Requiring Cleaning The following areas require cleaning The area of the center electrode that will be in contact with the electrode of the DUT e The area of the electrode plate that will be in contact with the electrode of the DUT Areas Requiring Cleaning Center electrode Electrode plate Cleaning Method Use a cleaning rod Keysight part number 5182 7586 to clean the electrodes Remove smeares on the above mentioned contact area by wiping with the white rubber portion of the cleaning rod Take care no
30. es shall pay shipping charges to return the product to Buyer However Buyer shall pay all shipping charges duties and taxes for products returned to Keysight Technologies from another country Keysight Technologies warrants that its software and firmware designated by Keysight Technologies for use with an instrument will execute its programming instruction when property installed on that instrument Keysight Technologies does not warrant that the operation of the instrument or software or firmware will be uninterrupted or error free Limitation of Warranty The foregoing warranty shall not apply to defects resulting from improper or inadequate maintenance by Buyer Buyer supplied software or interfacing unauthorized modification or misuse operation outside the environmental specifications for the product or improper site preparation or maintenance IMPORTANT No other warranty is expressed or implied Keysight Technologies specifically disclaims the implied warranties of merchantability and fitness for a particular purpose Exclusive Remedies The remedies provided herein are buyer s sole and exclusive remedies Keysight Technologies shall not be liable for any direct indirect special incidental or consequential damages whether based on contract tort or any other legal theory Assistance Product maintenance agreements and other customer assistance agreements are available for Keysight Technologies products
31. example Actually user limit values should be varied depending on the measuring conditions and type of DUT In actual measurement some of the effect of electrode deterioration is canceled by SHORT compensation However it is recommended to set user limit values on the assumption that deviations from the reference values affect the entire measurement results as shown in the above example Record the user limit values in the Check Sheet on page 60 For the method of recording see Example Entry in Check Sheet on page 59 Acquiring Reference Values To obtain reference values measure the impedance Rs Ls of the fixture before deterioration It is recommended to take measurements at a frequency at which the fixture is normally used It is necessary to obtain reference values using electrodes and shorting bars for all sizes of DUTs that will be subject to actual measurement Acquiring reference values is necessary in the following cases e When using the fixture for the first time after delivery e After replacement of parts e Shorting bars supplied as accessories Impedance measuring instrument calibrated at the 7 mm connector end Set the fixture compensation for the measuring instrument to OFF Check that each shorting bar is not deformed or stained Procedure for Acquiring Reference Values for the Electrode Deterioration Check Clean each electrode and shorting bar using the method described in Cleaning on
32. ge the orientation of the device guide and electrode plate set on the center electrode if necessary Performing fixture compensation Measure the SHORT compensation and OPEN compensation data Connecting and measuring the DUT Connect the DUT to the fixture and perform the measurement The 16197A has the capability for 55 C to 85 C temperature measurement in environmental testing Use gloves to prevent burns when handling heated parts 30 Chapter 3 Operation Measurement Flow Figure 3 1 Measurement Flow Start of measurement Setting ofthe measuring conditions Calibration Set electrical length page 32 gt Changes the orientation of device guide and electrode plate page 33 No Perform fixture compensation page 43 Yes DUT of the same size gt Connect and measure the DUT page 48 Yes Measurement another DUT No End of measurement The calibration methods electrical length setting and fixture compensation all differ with the measuring instrument being used See the operation manual for the measuring instrument to be used NOTE To ensure accurate measurement with the 16197A it is necessary to perform a deterioration check of the shorting bars For details see Deterioration Check on page 56 Chapter 3 31 Operation Setting the Electrical Length Setting the Electrical Length Se
33. in Option 001 Figure 3 6 36 Chapter 3 Operation Changing the Orientation of the Device Guide and Electrode Plate Figure 3 5 Mounting the Device Guide and Electrode Plate 7 Figure 3 6 Device guide 2 7 for 0603 Electrode plate for 0603 CAUTION Do not touch or damage the center electrode or electrode plate otherwise measurement accuracy and repeatability may be impaired NOTE Be sure to mount the device guide and electrode plate with the correct sides facing up Step 4 Install the guide holder and tighten the screws to secure it Step 5 Mount the pressure unit onto the electrode unit according to Figure 1 2 on page 13 Step 6 Connect the test fixture with the measuring instrument Chapter 3 37 Operation Changing the Orientation of the Device Guide and Electrode Plate Connect the test fixture with the measuring instrument according to Connecting the Test Fixture with a Measuring Instrument on page 18 in Chapter 1 38 Chapter 3 Operation Working with the Device Guide Working with the Device Guide To measure a DUT whose size does not fit any frame in the attached device guide it is necessary to prepare a suitable device guide frame Prepare a frame with reference to the dimensions of the blank device guide shown in Figure 3 7 and the electrode positioning shown in Figure 3 8 Reference Data for Preparing a Device Guide Frame
34. iring Reference Values 2 u mcu2 0 een en epee ee eae 57 Electrode Deterioration Check 0 eee cette nent tenn e beens 57 Check Sheet zum ate ae tae eee aed sen Read eae Kee hades Galen whee aise eee ates 59 Example Entry in Check Sheet 2 ns ne ne nn ne Ebakia 59 Electrode Deterioration Check 0c cece cette nent net n ene e nea 60 Assembly Check 2 2 as ee ee ke ao a ee Fale wea girs dee ces 62 5 Specifications and Supplemental Performance Characteristics Definitions sisii sm Lash hb th ee ne ee sn De ode gee Bie he ete edge dee 64 SpPecificatiOns 2 c14cs stick gets pw eAr aes ethene en bew bk bide EE goon GRACE de EERE 65 Contents Supplemental Performance Characteristics 0 0 eee cect eet tenet ne ene 66 Additional Brot ys nu rn ee nn an a aces we agin ern 66 Residual Inductance of the Shorting Bar 1 2 eect tent nee ens 68 6 Service Replaceable Parts 2 uee nwe nennen ee en 70 Pressure Unit 326 25 22444 2220 Bes Da He De De a Be ee Oe 70 Electrode Unite 3 2 5 5 2 04 ne Be bed Sea ee ED eas 72 Other Parts a an he eee ees ee ee EEE EEE ee 73 Changing the Orientation of or Replacing the Contact Assembly 00 cece ee eee eee 74 Procedure for Changing the Orientation of or Replacing the Contact Assembly 74 Operation Check 1 ne ae ee doe eee we eee ee 76 Open Impedance Check ar es pre RR rear nen rer aa sera ren Fre
35. l number that is stamped on the serial number plate Figure A 1 The first five characters are the serial prefix and the last five digits are the suffix Serial Number Plate 80 Agilent Technologies Japan Ltd SER NO JP3KA12345 AK MADE IN JAPAN 33 Appendix A Index Numerics 1005 measuring position 24 1608 measuring position 24 2012 measuring position 24 2520 example of preparing device guide 41 example of preparing simple device guide 42 3216 measuring position 24 3225 measuring position 24 A accessories 26 adapter 18 Additional Error 66 Allen wrench names amp functions 26 package contents 12 applicable chip example 33 assembly 13 assembly check 62 maintenance outline 52 B blank device guide dimensional drawing 39 names amp functions 26 package contents 12 C calibration measurement flow 30 center electrode structure of electrode 23 check sheet example entry 59 cleaning 52 54 areas requiring cleaning 54 maintenance outline 52 method 54 cleaning rod 54 connecting a DUT mechanism 23 structure of electrode 24 contact assembly changing the orientation or replacing 74 D deterioration check 56 acquiring reference values 57 device measuring position 24 device guide changing the orientation or replacing 35 example of preparation 40 mounting 37 names amp functions 26 package contents 12 re
36. moval 36 simple device guide 42 structure of electrode 23 device holder inside diameter 40 device hole dimensions 34 Dimension 65 DUT connecting 48 E electrical length setting 32 electrode structure 23 positioning 39 spacing 34 structure 23 electrode deterioration check 57 check sheet 60 example entry 59 maintenence outline 52 electrode plate changing the orientation or replacing 35 mounting 37 names amp functions 26 package contents 12 removal 36 structure of electrode 23 electrode unit names amp functions 25 replaceable parts 72 F fixture compensation 43 frame selection 33 structure of electrode 23 Frequency Specifications 65 G guide holder names amp functions 25 guide holder fixing screws changing positions 16 guide hole data for preparation 39 Index 81 Index I inspection before unpacking 10 insulator assembly mounting 43 specification 33 K knob names amp functions 25 L latch names amp functions 25 lever names amp functions 25 M magnifying glass package contents 12 installation 14 names amp functions 26 Maintenance items 52 manual changes 79 Maximum Current 65 Maximum Voltage 65 measurement flow 30 N Nominal 64 Non Operating Environment 65 o OPEN compensation 47 open impedance check 76 Open Repeatability 66 Operating Environment 65 operation check 76 P package conte
37. nding mark on the electrode plate O O Mark ee Mark G 26 Changing the Orientation of or Replacing the Device Guide and Electrode Plate Change the orientation of the device guide and electrode plate so that the selected device guide frame is located at the measuring position For a 0603 device replace the attached device guide and electrode plate with ones supplied in Option 001 Loosen the knobs on the sliding block and remove the pressure unit from the electrode unit referring to Figure 1 4 on page 15 Unscrew the screws that fix the guide holder Then remove the guide holder device guide and electrode plate Figure 3 4 Chapter 3 35 Operation Changing the Orientation of the Device Guide and Electrode Plate Figure 3 4 Removing the Device Guide and Electrode Plate Guide holder Screws Device guide Electrode plate NOTE If it is difficult to take out the electrode plate turn the electrode unit upside down to remove the plate Do not use force to take out the electrode plate otherwise it may be deformed Step 3 Mount the device guide and electrode plate so that the selected device guide frame is located at the measuring position Ensure that the marks on the device guide are aligned with those on the electrode plate Figure 3 5 For a 0603 DUT replace the attached device guide and electrode plate with ones supplied
38. nify the view of a connector electrode etc 8 Cleaning rod Used to clean the electrodes Refer to Cleaning Method on page 54 in Chapter 4 Option 001 26 Chapter 2 Product Description Product Description Table 2 2 Names amp Functions of Accessories No Name Function 9 Device guide Device guide for 0603 devices 10 Electrode plate Electrode plate for 0603 devices 11 Shorting bar Shorting bars for 0603 devices and a case for storing them These bars are used during SHORT compensation Delivered attached to the electrode unit Chapter 2 27 Product Description Product Description 28 Chapter2 3 Operation This chapter describes the procedures for measurement preparation fixture compensation connection ofa DUT and measurement with the 16197A KEYSIGHT TECHNOLOGIES WARNING Operation Measurement Flow Measurement Flow To measure a DUT by taking measurements with the 16197A follow the procedure below 1 Setting the measuring conditions Set the measuring conditions for the measuring instrument to be used Performing calibration Calibrate the measuring instrument and adapters if necessary Setting the electrical length Set the electrical length for the measuring instrument if necessary Changing the orientation of the device guide and electrode plate Select a device guide frame that fits the configuration of the DUT and chan
39. nts 11 pressure adjusting nut adjusting method 15 names amp functions 25 pressure rod movable range 40 names amp functions 25 standby position 46 pressure unit installation 13 names amp functions 25 removal 15 replaceable parts 70 product appearance 22 product description 22 82 R reference values acquiring 57 replaceable parts 70 Electrode Unit 72 Other Parts 73 Pressure Unit 71 replacement of parts maintenance outline 52 Rs SHORT plate deterioration check 58 S Safety Standards 65 Serial number plate 80 service 69 setting the measuring conditions measurement flow 30 SHORT compensation 43 short impedance check 77 Short Repeatability 66 short impedance measurement repeatability check 77 shorting bar connecting 44 shorting bar set names amp functions 26 package contents 12 Simple device guide example of preparation 42 sliding block names amp functions 25 Specifications 65 storage 15 electrode structure 23 Supplemental Performance Characteristics 66 T test fixture attaching the adapter 19 connecting with a measuring instrument 18 tweezers names amp functions 26 package contents 12 Typical 64 U user limit values example settings 56 user maintenance 51 W Weight 65 Index This information is subject to change without notice Keysight Technologies 2001 2008 2011 2015 Edition 4 February 2015 KEYSIGHT AAA TECHNOLOGIES 16197
40. of Cs Rsx measured value of Rs Figure 5 1 Additional Error for Impedance ma CG N Z O D 2 E 100 M Frequency Hz Chapter 5 67 Specifications and Supplemental Performance Characteristics Residual Inductance of the Shorting Bar Residual Inductance of the Shorting Bar The usual method to compensate the test fixture s residual inductance is to let SHORT OH In this method the measurement result is the relative value of the measured impedance to the shorting bar s impedance The short bar s residual inductance as a result of its size and shape is not estimated On the other hand there is a definition method to let SHORT x H In this method the measurement result is the absolute value of the device s impedance The short bar s residual inductance as a result of its size and shape is estimated under specific conditions and is used as a reference value This method is useful for devices with values which are close to the short conditions of the measurement system The reference inductance values presented Table 5 1 were simulated as the relative difference to a disk type 0 Q termination on either the 7mm or the 3 5mm connector The measurement of these short bars under other conditions than shown below cannot reproduce the reference inductance values Table 5 1 Residual Inductance Typical Shorting Bar Set l mm d mm h mm Offset mm Connector Indu
41. on sign denotes a hazard It calls attention to a procedure practice condition or the like which if not correctly performed or adhered to could result in damage to or destruction of part or all ofthe product Note denotes important information It calls attention to a procedure practice condition or the like which is essential to highlight Certification Keysight Technologies certifies that this product met its published specifications at the time of shipment from the factory Keysight Technologies further certifies that its calibration measurements are traceable to the United States National Institute of Standards and Technology to the extent allowed by the Institution s calibration facility or to the calibration facilities of other International Standards Organization members Warranty This Keysight Technologies instrument product is warranted against defects in material and workmanship for a period corresponding to the individual warranty periods of its component products Instruments are warranted for a period of one year Fixtures and adapters are warranted for a period of 90 days During the warranty period Keysight Technologies Company will at its option either repair or replace products that prove to be defective For warranty service or repair this product must be returned to a service facility designated by Keysight Technologies Buyer shall prepay shipping charges to Keysight Technologies and Keysight Technologi
42. page 54 At the actual DUT measurement position connect an appropriate shorting bar with the electrode to set the fixture for the SHORT state See Figure 3 16 on page 45 Measure Rs and Ls according to the Operation and Service Manual for the measuring instrument Record the Rs and Ls readings as reference values in the Check Sheet on page 59 From the reference values and the user limit values determined in the preceding section calculate the upper and lower limit values and record them in the Check Sheet Electrode Deterioration Check Measure the impedance of the fixture in the SHORT state to check for electrode deterioration Use a shorting bar suited to the size of the actual DUT The electrode deterioration check is necessary in the following cases Chapter 4 57 Necessary equipment CAUTION Step 1 Step 2 Step 3 Step 4 CAUTION CAUTION User Maintenance Deterioration Check e Once a day and before conducting fixture compensation e Shorting bars supplied as accessories Impedance measuring instrument calibrated at the 7 mm connector end Set the fixture compensation of the measuring instrument to OFF Set all other functions to the same states according to Acquiring Reference Values Electrode Deterioration Check Procedure Clean each electrode and shorting bar using the method described in Cleaning on page 54 Perform the measurement with the measuring instrument set for
43. peatability Check Repeat short impedance measurement to check for the repeatability of measurement Upon completion of the short impedance check disconnect the shorting bar and connect it again with the electrode Under the same measuring conditions as given above measure Ls again at 100 MHz and 1 GHz separately Confirm that the Ls value is within the typical range shown in Table 6 7 Obtain the difference between the first and second Ls measurements Chapter 6 77 Table 6 8 Service Operation Check Step 5 Confirm that the variation in measurements is within the typical range shown in Table 6 8 Short impedance Measurement Repeatability Check Typical Parameter Frequency Typical Difference Ls 100 MHz 45 pH Ls 1 GHz 20 pH 78 Chapter6 KEYSIGHT TECHNOLOGIES Manual Changes This appeTable A Indix contains the information required to adapt this manual to versions or configurations ofthe 16197A manufactured earlier than the current printing date of this manual The information in this manual applies directly to 16197A units with the serial number that is printed on the title page of this manual Table A 1 Figure A 1 Manual Changes Manual Changes Manual Changes To adapt this manual to your 16197A refer to Table A 1 Manual Changes by Serial Number Serial Prefix or Number Make Manual Changes Keysight Technologies uses a two part ten character seria
44. ptimal measurement results it is important to keep the contact faces in good condition and take appropriate action before such wear or deformation occurs Therefore the fixture should be properly cared for by implementing each of the maintenance items shown in Table 4 1 Table 4 1 Maintenance Items Name Frequency of Contents Target parts implementation Cleaning Several times a day Cleaning the Entire fixture fixture Electrode Before using the Acquisition of Center electrode deterioration check fixture for the first reference values Electrode plate time after delivery After replacement of parts Once a day Before Determining the Center electrode fixture deviation from Electrode plate compensation reference values Replacement of When deterioration Changing the Center electrode parts check result is orientation of the Electrode plate unacceptable contact assembly or replacement of Shorting bar parts Assembly check After replacement Evaluation of Center electrode of parts absolute Ls and Electrode plate Rs values Shorting bar 1 For details see Acquiring Reference Values on page 57 Maintenance of the fixture is important especially to ensure fine or highly accurate measurement since deteriorated measurement performance of the fixture has a significant effect on the measurement results Depending on the required measurement performance it may be necessary to increase the fr
45. ring Reference Values on page 57 3 For entry see Example Settings of User Limit Values on page 56 Table 4 3 Example Entry of Checking History Date Time Frequency Measurement Measurement value Acceptability Set position parameter of pressure adjusting nut 2000 10 11 100 MHz Rs 50 mQ O 9 30 Ls 2 5 nH O 2000 10 11 800 MHz Rs 250 mQ O 9 35 Ls 2 6 nH O 2000 10 12 100 MHz Rs 55 mQ O 9 30 Ls 2 6 nH O 2000 10 12 800 MHz Rs 285 mQ x m Ls 2 7 nH O Replace parts if check results are not acceptable Chapter 4 59 User Maintenance Check Sheet Electrode Deterioration Check DUT size Table 4 4 Reference Values and User Limit Values Frequene Measureme Reference value User Lower limit Upper limit y nt a limit value b a b a b parameter Rs mQ mQ mQ mQ Ls pH pH pH pH Rs mQ mQ mQ mQ Ls pH pH pH pH Table 4 5 Checking History Date Time Frequency Measureme Measurement value Acceptability Set position of nt pressure parameter adjusting nut Rs mQ Ls pH Rs mQ Ls pH Rs mQ Ls pH Rs mQ Ls pH Rs mQ Ls pH Rs mQ Ls pH Rs mQ Ls pH Rs mQ Ls pH Rs mQ Ls pH Rs mQ Ls pH Rs mQ Ls pH Rs mQ Ls pH 60 Chapter 4 User Maintenance Check Sheet Table 4 5 Checking History Date Time Frequency Measur
46. rm RT 7 re l SOT 23 Device 0 6 0 6 Preparation of Device Guide Frame a for SOT 23 Device Example Connecting Conditions of Electrodes and Device a Prepare a frame at the position shown in Figure 3 11 In a frame at this position the electrodes on both lateral sides ofthe DUT can be placed in equal contact by 0 6 mm width with the center electrode and the electrode plate Chapter 3 41 Operation Working with the Device Guide Example of Preparing a Simple Device Guide In order to prepare the device guide more easily there is a method that involves precisely cutting only the 2 sides that position the device over the electrodes Do not cut the corner hole which mounts the device guide CAUTION The measurement accuracy when using this method is not guaranteed Preparing the Simple Device Guide for a 2520 SMD The position which places the 2520 SMD is same as Figure 3 10 Cut the 2 sides precisely which fixes the device position as shown in Figure 3 12 Figure 3 12 Example of Preparing the Simple Device Guide for a 2520 SMD 1 0 Preparation of Simple Device Guide Frame for 2520 SMD Example mm 42 Chapter 3 NOTE Figure 3 13 Step 1 Step 2 Operation Performing Fixture Compensation Performing Fixture Compensation To ensure accurate measurement it is necessary to perform fixture compensation before measurement For the 16197A measure the SHORT comp
47. t the electrical length for the measuring instrument if necessary For the method of setting the electrical length see the operation manual for the measuring instrument The electrical length for the 16197A is as follows Model Electrical length mm 16197A 14 00 mm 32 Chapter 3 Operation Changing the Orientation of the Device Guide and Electrode Plate Changing the Orientation of the Device Guide and Electrode Plate Select a device guide frame suited to the DUT size and mount the appropriate device guide and electrode plate in the proper orientation so that a suitable frame is located at the measuring position Selecting the device guide frame Select a device guide frame suited to the DUT size with reference to Table 3 1 Table 3 1 Device Guide Frames and Applicable Device Sizes and Specifications Device size Applicable chip size mm Frame position EIAJ size EIA size Length L Width W Height H 1 3225 1210 3 2 0 15 2 5 0 15 0 4 3216 1206 3 2 0 15 1 6 0 15 0 4 3 2012 0805 2 0 0 15 1 25 0 15 0 4 2 1608 0603 1 6 0 15 0 8 0 15 0 4 4 1005 0402 1 0 0 15 0 5 0 15 0 4 5 0603 0201 0 6 0 03 0 3 0 03 0 25 Device guide Device guide for 0603 2 H Z NOTE An excessively large gap between the DUT and device guide frame will result in contact failure between the DUT and elec
48. t to damage the electrode parts Cleaning Rod 16196abcoj0501 54 Chapter 4 User Maintenance Cleaning CAUTION Do not file off the smeares filing part surfaces may cause poor measurement accuracy or repeatability NOTE If smeares cannot be removed replace the part For the replacement method see Changing the Orientation of or Replacing the Contact Assembly on page 74 Chapter 4 55 User Maintenance Deterioration Check Deterioration Check A deterioration check must be performed to determine the state of deterioration of the fixture and to confirm whether the fixture is providing the required measurement accuracy The deterioration check comprises three operations Setting user limit values Acquiring Reference Values Electrode Deterioration Check In the deterioration check the impedance values Rs Ls of the fixture itself are measured at a discretionary frequency It is recommended to use the frequency at which the fixture is normally used Perform Setting user limit values in the following cases e When using the fixture for the first time after delivery e When changing the required measurement accuracy Perform Acquiring Reference Values in the following cases e When using the fixture for the first time after delivery e After replacing parts Perform Electrode Deterioration Check in the following cases e Once a day and before conducting fixture compensation Example
49. the same conditions as mentioned in Procedure for Acquiring Reference Values for the Electrode Deterioration Check on page 57 Record the Rs and Ls readings as well as their acceptability in the Check Sheet on page 59 If the results are unacceptable replace the center electrode or the electrode plate By changing the orientation of the contact assembly it is possible to take measurements using an unused clean area of the center electrode For details see Changing the Orientation of or Replacing the Contact Assembly on page 74 An electrode deterioration check using a deformed or stained shorting bar may produce unacceptable check results Replace the shorting bar if it is deformed or if it cannot be cleaned 58 Chapter 4 User Maintenance Check Sheet Check Sheet Example Entry in Check Sheet The following tables show an example entry of electrode deterioration check results in the Check Sheet Example Entry of Electrode Deterioration Check Results DUT size 2012 Table 4 2 Example Entry of Reference Values and User Limit Values Frequency Measurement Reference User Lower limit Upper limit parameter value a limit value b a b a b 100 MHz Rs 40 mQ 30 mQ 10 mQ 70 mQ Ls 2 34 nH 0 5 nH 1 84 nH 2 84 nH 800 MHz Rs 220 mQ 40 mQ 180 mQ 260 mQ Ls 2 32 nH 0 4 nH 1 92 nH 2 72 nH User s discretionary value 2 Enter the values obtained in section Acqui
50. trode or poor measurement accuracy or repeatability Be sure to select a device guide frame that fits the DUT configuration If the DUT size does not fit any frame in the attached device guide prepare a suitable frame using the supplied blank device guide For details see Working with the Device Guide Chapter 3 33 Figure 3 2 Figure 3 3 CAUTION Operation Changing the Orientation of the Device Guide and Electrode Plate Electrode Spacing 151 ttle zu 0 5 0 2 Electrode plate Electrode plate for 0603 mm Dimensions of the Device Guide Frame Device guide Device guide for 0603 mm 16197a0e030 Be sure to superpose the device guide onto the electrode plate in the proper orientation and with the correct side facing up Otherwise adequate electrode spacing cannot be created As shown in Figure 3 3 when viewed from above on the correct face of the device guide there are two marks at positions 90 degrees apart clockwise from a single position Superpose the device guide onto the electrode plate so that all these marks are aligned with the corresponding marks on the electrode plate For a 0603 device correct electrode spacing can be created regardless of whether the mark on the device guide is aligned with 34 Chapter 3 Step 1 Step 2 Operation Changing the Orientation of the Device Guide and Electrode Plate the correspo
51. ument The test fixture 16197A is suitable for use with a high frequency LCR meter or an impedance analyzer Table 1 2 shows possible adapter combinations Table 1 2 Adapter for a Measuring Instrument with a 7 mm Connector Measuring instrument Adapter 4287A Test head Test fixture stand supplied with the 4287A 4291A B Test station Test head supplied with the 4291 A B 4286A Test head Test fixture stand supplied with the 4286A 4395A 43961A impedance test adapter 4396B 43961A impedance test adapter E4991A Test head supplied with the E4991 A NOTE The measuring instrument requires the Option 010 impedance measurement function The test fixture 16197A can also be connected with any measuring instrument with 4 terminal pair configuration if an appropriate adapter is used Table 1 3 Adapter for a Measuring Instrument with 4 terminal Pair Configuration Measuring instrument Adapter 4294A 42942A terminal adapter 4194A 41941A 16099A or 41941B 16099A 4192A 4194A 4263B 4268A 4278A 4279A 4284A 4285A 4288A E4980A E4981A 16085B terminal adapter For the procedure for attaching an adapter see the Operation Manual for the adapter Calibration on the 7 mm connector surface may be necessary depending on the type of measuring instrument In such a case perform calibration on the 7 mm connector surface before connecting the
52. urement of chip type capacitors inductors and other similar components The 16197A is compatible with measuring frequencies to 3 GHz and can accommodate bottom electrode chip components of sizes 3225 11910 3216 1206 2 2012 0805 1608 1 0603 and 1005 0402 7 Measurement of chip components of other sizes is possible by preparing appropriate device guides Measurement of a bottom electrode chip component of size 0603 1 0201 2 is also possible using the option Figure 2 1 Product Appearance EIJAJ size 2 EIA size 22 Chapter 2 Product Description Product Description Mechanism for Connecting a DUT Device Under Test The 16197A uses a device guide and an electrode plate for measuring to various sizes of bottom electrode SMDs The electrode plate is placed onto the center electrode of the electrode unit producing four different electrode spaces between the center electrode and electrode plate Figure 2 2 Figure 2 2 Structure of Electrode 1 Center electrode The device guide is placed on the electrode plate to enable each DUT to be positioned in a fixed location Figure 2 3 Each DUT is set in a frame of the size suitable to the DUT for connecting to the electrode Figure 2 4 Figure 2 3 Structure of Electrode 2 Chapter 2 23 Product Description Product Description Figure 2 4 Connecting a DUT El

Keysight 16197A Bottom Electrode SMD Test Fixture

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