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Agilent Technologies 16196A, Руководство по эксплуатации и обслуживанию

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38

Chapter 4

 

User Maintenance

Overview

Overview

The Necessity of User Maintenance

The measurement performance of the fixture decreases slightly each time measurement is 
repeated. This is due to contamination of the contacting sections by solder, etc. and mechanical 
wear and distortion caused by repeated use. Consequently, to maintain satisfactory measurement 
results, it is important to maintain the contacting sections in good condition and take appropriate 
measures before wear or distortion occurs. To accomplish this it is necessary to monitor the fixture 
and perform maintenance of the various items as described in “User Maintenance Flow” on 
page 39.

Because deterioration of the fixture seriously affects the measurement results when 
measuring minute values or performing measurements with a high accuracy, proper 
maintenance of the fixture is particularly important in these cases. Depending on the 
required measurement performance, it may be necessary to take measures such as 
establishing more rigorous evaluation standards and perform maintenance more frequently.

The upper and lower electrodes and the short plate are consumable products. These are the 
fixture construction parts that tend to have the greatest effect on the measurement results. 
During measurement, solder from the DUT tends to adhere to the upper and lower electrodes, 
causing gradual deterioration of the electrodes. The short plate part is used for creating a 
zero-standard during fixture compensation and distortion or contamination of the short plate 
therefore directly affects the measurement result. Focusing on the upper and lower electrodes 
and the short plate, this chapter explains the general aspects of user maintenance.

Содержание 16196A

Страница 1: ...c i a n sw i t ho v e r 1 5 0y e a r so f s p e c i a l i z a t i o n 9 0d a yw a r r a n t y 5d a yr i g h t o f r e t u r no na l l e q u i p me n t 1 3y e a r w a r r a n t i e sf o r n e wa n d p...

Страница 2: ...Agilent 16196A B C D Parallel Electrode SMD Test Fixture Operation and Service Manual Fourth Edition Agilent Part No 16196 90040 June 2005 Printed in Japan...

Страница 3: ...November 1999 First Edition December 1999 Second Edition May 2003 Third Edition June 2005 Fourth Edition Safety Summary The following general safety precautions must be observed during all phases of o...

Страница 4: ...anuals 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 Suppl...

Страница 5: ...o the implied warranties of merchantability and fitness for a particular purpose Agilent shall not be liable for errors or for incidental or consequential damages in connection with the furnishing use...

Страница 6: ...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 Soft...

Страница 7: ...6...

Страница 8: ...4 User Maintenance Overview 38 The Necessity of User Maintenance 38 User Maintenance Flow 39 Cleaning 41 Places Requiring Cleaned 41 Cleaning Methods 42 Wear Check 44 Example of User Limit Values Set...

Страница 9: ...lock Assembly 68 Cap 71 Other Parts 73 Maintenance Kit 74 16196U Maintenance Kit 74 Replacement Procedure 75 Lower Electrode 76 Insulator 78 Upper Electrode 79 Assembling Check 81 Method Using Network...

Страница 10: ...9 1 Installation Guide 1 Installation Guide In this chapter the procedures required from the time the 16196A B C D Parallel Electrode SMD Test Fixture arrives until its use begins are described...

Страница 11: ...to Table 1 4 If the contents are incomplete or if there is mechanical damage or defect notify the nearest Agilent Technologies office If the shipping container is damaged or the cushioning material s...

Страница 12: ...Chapter 1 11 Installation Guide Incoming Inspection 1 Installation Guide Figure 1 1 16196A B C D Contents...

Страница 13: ...1 10 Carrying Case 16196 60150 1 11 Operation and Service Manual This manual 4 16196 90040 1 1 Mounted in the Test Fixture when shipped from the factory 2 The Open Plate and Short Plate are packed in...

Страница 14: ...e 2 16196 29002 1 4 Short Plate 2 16196 29028 1 5 Push Ring 16196 24004 1 6 Tweezers 3 8710 2081 1 7 Cleaning Rod 5182 7586 1 8 Wrench 8710 0909 1 9 Magnifying Glass 3 16193 60002 1 10 Carrying Case 1...

Страница 15: ...Operation and Service Manual This manual 5 16196 90040 1 1 Mounted in the Test Fixture when shipped from the factory 2 The Open Plate and Short Plate are packed in a single case and shipped 3 The par...

Страница 16: ...o the measuring instrument NOTE Some instruments require calibration at the 7 mm connector Perform calibration at the 7 mm connector before connecting a test fixture See the operation manual of the in...

Страница 17: ...hen viewed from above and screw the connection sleeve in fully Step 2 Align the text fixture with the adapter s mount post and 7 mm connector and set it gently in place Step 3 Turn the adapter s 7 mm...

Страница 18: ...17 2 Product Overview 2 Product Overview...

Страница 19: ...y The 16196A B C D also is compatible with measuring frequencies up to 3 GHz The 16196A is for size 1608 parts 1 the 16196B is for size 1005 parts 1 the 16196C is for size 0603parts 1 and the 16196D i...

Страница 20: ...iew Figure 2 2 Electrode Structure After passing through the DUT Device Under Test the current flows to the outer conductor via the cap electrode and returns to the outer conductor of the 7 mm connect...

Страница 21: ...nd Functions No Name Function 1 Cap This is the LOW side electrode 2 DUT Insertion Hole Forms a cylindrical structure made with an insulator and holds the DUT from the sides 3 Magnifying Glass 1 2 1 F...

Страница 22: ...ed when correcting for an open circuit 2 Short Plate Used when correcting for a short circuit 3 Insulator Assembly Used to change assemblies when measuring DUTs with different shapes 4 Push Ring Suppl...

Страница 23: ...ly and the 16196D comes with two types of insulator assembly Each of these insulator assemblies has little marks engraved in them to enable identification of each model and hole diameter There are mar...

Страница 24: ...23 3 Operation 3 Operation This chapter describes preparations and fixture compensation when using the 16196A B C D to take measurements as well as DUT connection and measuring methods...

Страница 25: ...or open compensation and measure the data for short compensation When performing measurements with higher precision carry out Fixture compensation for higher precision measurements 4 Connecting and Me...

Страница 26: ...ccurate and repeatable measurements it is necessary for the DUT to be placed in the DUT insertion hole and be stable For that reason the 16196A and 16196B each are provided with 3 types of insulator a...

Страница 27: ...ty decrease Select an insulator assembly that is appropriate for the shape of the DUT to be measured 16196B 0 85 1 0 0 5 0 5 0 75 1 0 0 5 0 35 0 68 1 0 0 5 0 35 16196C 0 48 0 6 0 3 0 3 16196D 0 30 0 4...

Страница 28: ...y with the hex wrench and take them out then remove the insulator assembly Figure 3 2 Removing the Insulator Assembly NOTE If the insulator assembly is difficult to remove turn the fixture over and re...

Страница 29: ...e it Be sure to contact the insulator assembly with the bottom surface securely before tightening the screws Figure 3 3 Installing the Insulator Assembly Step 4 Connect the test fixture to the measuri...

Страница 30: ...l length in the measuring instrument For the electrical length setting method see the Operation Manual for the measuring instrument you are using The electrical lengths for the 16196A B C D are as sho...

Страница 31: ...ar Check should be conducted Refer to Wear Check on page 44 for details NOTE If there are temperature fluctuations which exceed a temperature range of 5 C after fixture compensation has been carried o...

Страница 32: ...ng the Open State Using the Open Plate Step 3 Fit the cap in place with the mark toward the front and turn it to the right until it is locked Step 4 Take measurements of the data for open compensation...

Страница 33: ...m a different model Step 2 Place the short plate on the insulator assembly with tweezers Place the rod shaped protrusion of the short plate downward and insert it into the DUT insertion hole CAUTION H...

Страница 34: ...hapter 3 33 Operation Performing Fixture Compensation 3 Operation NOTE Residual inductance for the Short Plate is as follows Model Residual Inductance nH 16196A 0 43 16196B 0 27 16196C 0 16 16196D 0 1...

Страница 35: ...hole Step 2 Insert the DUT into the insulator hole with tweezers Use a magnifying glass to check that the DUT is inserted deeply enough into the insulator hole for it to contact the bottom electrode...

Страница 36: ...7 Removing the DUT Using the Push Ring Press the insulator assembly down using the push ring When this is done the lower electrode will push up the DUT and you will be able to remove it Measurements c...

Страница 37: ...36 Chapter3 Operation Connecting and Measuring DUTs...

Страница 38: ...37 4 User Maintenance 4 User Maintenance...

Страница 39: ...te values or performing measurements with a high accuracy proper maintenance of the fixture is particularly important in these cases Depending on the required measurement performance it may be necessa...

Страница 40: ...need Set the user limit to the required measurement accuracy and the measurement condition Measuring reference value When the product is received and after parts replacement Measure Ls and Rs of the...

Страница 41: ...40 Chapter4 User Maintenance Overview Figure 4 1 Flowchart of User Maintenance...

Страница 42: ...ill become impossible to remove the cap smoothly In order to ensure measurement with high accuracy be sure to perform cleaning periodically Places Requiring Cleaned Place which need to be cleaned are...

Страница 43: ...affect measurement accuracy and repeatability NOTE If the dirt cannot be removed replace the part For replacement method see the sections Replaceable Parts and Replacement Procedure Lower Electrode F...

Страница 44: ...eaning 4 User Maintenance Cap Inside Figure 4 2 2 Body Side Surfaces Figure 4 2 5 Wipe dirt off using a soft cloth etc NOTE When removing dirt always be careful to clean so that the electrodes and ins...

Страница 45: ...hift should be conducted under the following circumstances Once daily and before fixture compensation is performed Example of User Limit Values Setting It is necessary to decide wear check user limit...

Страница 46: ...e DUT etc NOTE In actually testing a part of the effect of electrode wear is cancelled by the SHORT compensation It is recommended however to set the user limit as shown in this example as the deviati...

Страница 47: ...instrument s fixture compensation function should be set to OFF Acquisition Procedure Electrode Wear Check Reference Value Step 1 Remove the cap and ensure that nothing is inserted into the fixture S...

Страница 48: ...p 9 Acquisition Procedure Short Plate Wear Check Reference Value Step 1 Clean the short plate as described in Cleaning on page 41 Step 2 Remove the cap and place the short plate with the protruding su...

Страница 49: ...Procedure Electrode Wear Check Step 1 Clean the electrodes as described in Cleaning on page 41 Step 2 Set the measuring instrument and measure in the same way as for Acquisition Procedure Electrode W...

Страница 50: ...b 100 MHz Rs 90 m 30 m 60 m 120 m Ls 290 pH 500 pH 790 pH 210 pH 800 MHz Rs 310 m 40 m 270 m 350 m Ls 260 pH 400 pH 660 pH 140 pH 1 Set by the user as desired 2 Record values obtained at the time of R...

Страница 51: ...er Limit Value b Lower Limit a b Upper Limit a b Rs m m m m Ls pH pH pH pH Rs m m m m Ls pH pH pH pH Table 4 6 Check History Date Frequency Measurement Parameter Measured Value Pass Fail Rs m Ls pH Rs...

Страница 52: ...Value a User Limit Value b Lower Limit a b Upper Limit a b Rs m m m m Ls pH pH pH pH Rs m m m m Ls pH pH pH pH Table 4 8 Check History Date Frequency Measurement Parameter Measured Value Pass Fail Rs...

Страница 53: ...placement Procedure on page 75 when replacing parts A maintenance kit containing 5 pieces is available for replacement of upper and lower electrodes and the short plate For details see Maintenance Kit...

Страница 54: ...mpedance measuring instrument with 7 mm connector and calibrated NOTE To make the same settings as given in the above table refer to the Operation Manual for the measuring instrument Procedure Step 1...

Страница 55: ...rvice office Step 8 Tighten the screw on top of the cap loosened in Step 5 NOTE In case of the 16196D please omit the step 8 Table 4 10 Electrode Check and Limits 16196A Parameter Frequency Limit Abso...

Страница 56: ...Chapter 4 55 User Maintenance Assembling Check 4 User Maintenance 1 GHz Rs Ls 80 m 810 m 300 pH 200 pH Table 4 13 Electrode Check and Limits 16196D Parameter Frequency Limit Absolute value...

Страница 57: ...nt Procedure Step 1 Clean the short plate as described in Cleaning on page 41 Step 2 Remove the cap and place the short plate with the protruding surface down on the insulator assembly Step 3 Place th...

Страница 58: ...and Limits 16196B Parameter Frequency Limit Absolute value 100 MHz Rs Ls 40 m 170 m 100 pH 600 pH 1 GHz Rs Ls 120 m 540 m 100 pH 400 pH Table 4 17 Short Plate Check and Limits 16196C Parameter Frequen...

Страница 59: ...58 Chapter4 User Maintenance Assembling Check...

Страница 60: ...nd Supplemental Performance Characteristics 5 Specifications and Supplemental Performance Characteristics This chapter provides specifications and supplemental performance characteristics of the 16196...

Страница 61: ...mm 16196D 0 4 0 02 0 2 0 02 0 11 to 0 22 mm Frequency DC to 3 GHz Maximum Voltage 40V peak max AC DC Maximum Current 5 A Operating Environment temp 55 C to 85 C humidity 15 to 95 RH wet bulb temp 40 C...

Страница 62: ...dance Ze is calculated by substituting the values in the table below into the following equation Ze A Zs Zx Yo Zx 100 where A Test Fixture s Proportional Error Yo S Test Fixture s Open Repeatability S...

Страница 63: ...se of the Rs measurement is calculated by using the additional error for Impedance Ze as follows If Dx 0 1 Rse Ze Dx If 0 1 Dx 0 5 Rse Ze Dx Dx is the measured value of D and is calculated as follows...

Страница 64: ...t be changed Changing the loading weight to the DUT for the 16196D If the factory default loading weight damages the DUT replace the part washer inside the cap which changes the spring pressure to adj...

Страница 65: ...e DUT G gf is obtained by substituting the values of t mm into the following equation G gf 119 x 3 55 t 420 NOTE If a washer with a thickness t of less than 1 0 mm is used measurement may not be perfo...

Страница 66: ...the cap Replacement procedure 1 Locate a replacement washer 2 Detach the cap from the fixture 3 Detach 1 then 2 while holding 7 4 Detach 3 and 4 from 7 5 Detach 5 from 7 and replace it with the repla...

Страница 67: ...66 Chapter5 Specifications and Supplemental Performance Characteristics Supplemental Performance Characteristics...

Страница 68: ...67 6 Service 6 Service This chapter describes the proper maintenance of the fixture and parts replacement...

Страница 69: ...s shown in this exploded view To order parts specify the Agilent part number If the part which is causing problems is a part that cannot be disassembled please order the part which the affected part i...

Страница 70: ...or 16196B 16196 60214 1 0 68 Insulator for 16196B 16196 60312 1 0 48 Insulator for 16196C 16196 60412 1 0 34 Insulator for 16196D 16196 60414 1 0 30 Insulator for 16196D 4 N A 1 Ground Assembly 5 1 16...

Страница 71: ...1 1 Plate for 16196B 16196 00621 1 Plate for 16196C 16196 00632 1 Plate for 16196D 1 Maintenance Kit consisting of 5 replaceable parts is available Refer to Mainte nance Kit on page 74 for details Tab...

Страница 72: ...le 6 2 Replaceable Parts Cap Ref Desig Agilent Part No Qty Description 1 0515 1044 1 Screw Mach M1 6 2 16196 24005 1 Stopper 3 N A 1 Cap 4 1460 2618 1 Spring 5 1 1 Maintenance Kit including 5 replacea...

Страница 73: ...Ref Desig Agilent Part No Qty Description 1 0515 1077 1 Screw Mach M2 2 3050 2238 1 Washer 3 N A 1 Cap 4 3050 2241 1 Washer 5 3050 2239 1 Washer 6 1460 2618 1 Spring 7 1 1 Maintenance Kit including 5...

Страница 74: ...n 1 16196 60150 1 Carrying Case for 16196A 16196 60250 1 Carrying Case for 16196B 16196 60350 1 Carrying Case for 16196C 16196 60450 1 Carrying Case for 16196D 2 16193 60002 2 Magnifying Glass 3 5182...

Страница 75: ...r Electrode Set for 16196A B C 5 pieces Table 6 6 16196A Option Opt100 1608 mm Short Plate Set 5 pieces Opt110 1608 mm Lower Electrode Set 5 pieces Table 6 7 16196B Option Opt200 1005 mm Short Plate S...

Страница 76: ...lacement methods for the lower electrode insulator and upper electrode After replacing the respective parts check the operation of the parts with reference to Operation Check To replace the insulator...

Страница 77: ...vice Replacement Procedure Lower Electrode 1 Prepare the replacement center electrode 2 Take out the 3 screws from the bottom of the fixture and take out the DUT insert Figure 6 4 Removing the Bottom...

Страница 78: ...in the DUT insert NOTE The tip of the lower electrode is thin and easily bent To prevent the tip of the lower electrode from contacting the inside of the DUT insert and being bent insert the lower el...

Страница 79: ...ment Procedure Figure 6 6 Mounting the DUT Insert 6 Fasten the DUT insert to the bottom of the fixture using the screws Insulator Replace the insulator with reference to Selecting and Changing the Ins...

Страница 80: ...the cap and remove the electrode from the cap NOTE In case of the 16196D take out the screw from the top of the cap while holding the electrode 4 Take the electrode out of the spring and insert the r...

Страница 81: ...that the protrusion in the bottom aligns with the indent in the top of the electrode and tighten the screw NOTE In case of the 16196D while holding the electrode attach the washer and tighten the scre...

Страница 82: ...n to measure DUT with the 16196A B C D Method Using Network Analyzer Required Tools Agilent 8753E Open plate Short plate Procedure Step 1 Conduct S11 full calibration with the 7 mm connector to be con...

Страница 83: ...le 6 10 Operation Check Typical Values Open common for 16196A B C D Parameter Frequency Typical Value Absolute value Mag Mag 100 MHz 1 GHz 0 2 0 2 0 2 0 2 Phase Phase 100 MHz 1 GHz 0 5 0 5 2 5 2 5 Tab...

Страница 84: ...rvice Assembling Check 6 Service Table 6 14 Operation Check Typical Values Short 16196D Parameter Frequency Typical Value Absolute value Mag Mag 100 MHz 1 GHz 0 15 0 0 40 0 Phase Phase 100 MHz 1 GHz 1...

Страница 85: ...84 Chapter6 Service Assembling Check...

Страница 86: ...onnecting and Measuring 34 Removing 34 DUT Insertion Hole Functions 20 E Electrical Length 29 Electrode Check 53 Electrode Structure 19 Electrode Wear Check Check Sheet 50 Fill Out Example 49 Procedur...

Страница 87: ...ntents 13 16196C Package Contents 13 16196D Package Contents 14 P Package Contents 16196A 12 16196B 12 16196C 13 16196D 13 Performance Check Method Using Network Analyzer 81 Push Ring 16196A Package C...

Страница 88: ...tions 21 Replaceable Parts 73 U Upper Electrode Cleaning Methods 42 Places Requiring Cleaning 41 Replacement Procedure 79 User Limit Values Setting Example 44 W Wear Check 44 Weight 60 Wrench 16196A P...

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