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MICROPULL

®

 IV WIRE BOND PULL TESTER 

iv 

990-180 

 

 

 

SAFETY NOTES 

This instruction manual describes how to operate, maintain and service the Micropull IV, and provides 
instructions relating to its SAFE use. Procedures described in this manual MUST be performed, as 
detailed, by QUALIFIED and TRAINED personnel. 

For SAFETY, and to effectively take advantage of the full capabilities of the tester, please read these 
instruction manuals before attempting to use the workstation. 

Procedures other than those described in this manual or not performed as prescribed in it, may expose 
personnel to electrical hazards. 

After reading this manual, retain it for future reference when any questions arise regarding the proper 
and SAFE operation of the tester. 

 

Please note the following conventions used in this manual: 

WARNING:  

Comments marked this way warn the reader of actions which, if not followed, might 

result in immediate death or serious injury. 

CAUTION:  

Comments marked this way warn the reader of actions which, if not followed, might result 

in either damage to the equipment, or injury to the individual if subject to long-term exposure to the 
indicated hazard.  

 

Summary of Contents for 6-099-04

Page 1: ...UAL NO 990 180 REVISION B July 2000 OPERATION AND MAINTENANCE MANUAL FOR THE MICROPULL IV WIRE BOND PULL TESTER Model Stock Number MP4 115 6 099 04 MP4 230 6 099 04 01 MP4 CE 115 6 099 05 MP4 CE 230 6...

Page 2: ...d herein are the proprietary work of UNITEK MIYACHI CORPORATION and may not be reproduced copied exhibited or otherwise used without the written authorization of UNITEK MIYACHI CORPORATION Printed in...

Page 3: ...onrovia CA 91017 7133 Telephone 626 303 5676 FAX 626 358 8048 e mail info unitekequipment com The purpose of this manual is to supply operating and maintenance personnel with the information needed to...

Page 4: ...ures other than those described in this manual or not performed as prescribed in it may expose personnel to electrical hazards After reading this manual retain it for future reference when any questio...

Page 5: ...etting Started 2 1 Section I Planning for Installation 2 1 Space Requirements 2 1 Power Requirements 2 1 Other Considerations 2 1 Section II Set up 2 1 Incoming Inspection and Unpacking 2 1 Mounting O...

Page 6: ...am Documentation 3 23 Reference Listing for MP4 BAS Release 1 0 3 24 CHAPTER 4 User Maintenance 4 1 Section I Precautions 4 1 General Operator Safety 4 1 Section II Operator Maintenance 4 1 Calibratio...

Page 7: ...m Module to the Beam Arm 2 3 3 1 Installing Hook on B10 and B100 Beams 3 1 3 2 B1000 Beam 3 2 3 3 B100R Rotatable Beam and Hook Assemblies 3 3 3 4 Beam Assembly Adjustments 3 4 4 1 Location of Compone...

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Page 9: ...output test data Bond pull tests are used routinely to evaluate and or control the mechanical strength of wire bonds in microcircuit devices The bond pull test is performed by placing the microelectro...

Page 10: ...each beam is an assortment of hooks a hook insertion tool and spare lamps Optional accessories include hooks beams optics device holders and a serial printer The accuracy of the MP4 system is r2 of th...

Page 11: ...Control Unit may be removed from the baseplate and operated while separated by as much as 6 feet The Control Lever potentiometer may also be replaced by a remote potentiometer or by a multiplying digi...

Page 12: ...es which allow the beam height to be moved 1 inch in inch increments Beam Module The beam module contains a lamp housing and a cantilevered beam that is gauged with high output semiconductor strain ga...

Page 13: ...beam will meet the accuracy requirements of the MIL STD when used with the supplied hooks however the wire bonds are not always reformed in accordance with the MIL STD The Hook Assembly for the B10 a...

Page 14: ...le Model g f N Range gf Maximum Deflection in B10 10 0 1 0 5 12 00 0 24 B100 100 1 1 120 0 0 24 B1000 1000 10 40 1 200 0 24 Model B100R is a manually rotatable hook version of B100 Hook Specifications...

Page 15: ...per test in either mode The Non destruct software counts the number of tests And at user s option either prints the data for all bonds or only for those bonds that fail and or are not subjected to the...

Page 16: ...uter that converts the information presented as parallel data on the Data Output connector to 1200 baud ASCII coded serial data available on an RS 232C connector on the rear of the MP4 The RS232C inte...

Page 17: ...5 10 20 50 and 100 grams A weight hanger and a 300 and a 500 gram weight are supplied with the 1000gf beam The weight rack which is supplied provides a convenient method for storing the weights These...

Page 18: ...the hook accurately tracks the movement of the Control Lever PEAK FORCE Display This is a 3 digit 0 3 inch high light emitting diode LED display The rear panel UNITS switch see below selects the unit...

Page 19: ...by using the five mounting positions for the Beam Module together with the DOWNSTOP control and BEAM TRAVEL control This control is a screwdriver adjustment to prevent inadvertent changes DOWNSTOP Co...

Page 20: ...t a fixed rate of 0 5 inches second Movement in either direction may be inhibited by use of the Control Lever unless one of the four End Of Test Conditions described above occurred The repeatability o...

Page 21: ...CHAPTER 1 SYSTEM DESCRIPTION MICROPULL IV WIRE BOND PULL TESTER 990 180 1 13 HOLD TIME MIN ZERO UNITS FOOTSWITCH PRINTER PULL RATE MAN AUTO Figure 1 7 Rear View of MP4...

Page 22: ...ION control located on the front panel of the Electronic Control Unit The bulb is a T 3 25 12 volt miniature bayonet lamps GE 1891 UMC part number 435 047 Test Status Indicator The red Test Status Ind...

Page 23: ...ace that is rigid free from shock and vibration reasonably level Section II Set up Incoming Inspection and Unpacking Inspect all shipping containers for evidence of in transit damage Noted damage shou...

Page 24: ...the three 1 4 20 x 1 2 inch flathead screws which are provided 2 Slip the shaft clamp assembly down the mounting post and secure it at the appropriate height with the set screw on the left hand side o...

Page 25: ...odule Removal Making sure that the ribbon cable is carefully removed from its receptacle remove the beam module by reversing the procedure outlined above Switch and Cable Installation WARNING To preve...

Page 26: ...Y A MP4 ASC COPY A MP4 EXE COPY A NONDEST WK1 COPY A DESTRUCT WK1 CD Make the main directory the current directory COPY A MP4BAS BAT COPY 3 files to the main directory COPY A MP4GW BAT COPY A MP4EXE B...

Page 27: ...bdirectories which bear their names MP4BAS BAT MP4GW BAT and MP4EXE BAT may be deleted if they do not apply 8 The RS 232 Cable provided in the shipping kit of the MP4 should be connected between the J...

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Page 29: ...tacle 2 Switch the POWER switch to ON The site illumination lamp should light 3 Press the footswitch the beam should move and or follow the control lever Installing the Hook on B10 and B100 Beam WARNI...

Page 30: ...s time Installing the Rotatable Hook B100R Beam WARNING Set the POWER switch to OFF 1 Pull the beam access cover forward Select the proper hook Many specifications require that the Hook diameter be ap...

Page 31: ...Setup Controls 1 Set or adjust the controls on the Electronic Control Unit figure 1 6 1 7 as follows Control Setting POWER switch ON ILLUMINATION control As desired PRESET FORCE thumb wheels 2 10 gf b...

Page 32: ...sibility of bending the hook 1 Push The Control Lever down The beam arm is now in its lowest position The relative position of the hook can be changed by using the five sets of mounting holes in the b...

Page 33: ...ight of the package With the Control Lever down adjust the DOWNSTOP control so that the device can slide under the hook 2 Readjust the DOWNSTOP control so that the hook is close to but does not hit th...

Page 34: ...TE The reason for setting the amplifier three counts positive is that negative readings cannot be read and therefore cannot be automatically corrected Three counts compensates for the drift which norm...

Page 35: ...us test While the hook is applying force to the wire bond hit the table with your fist This will give you some indication of the force that can be transmitted to the wire bond as a result of excessive...

Page 36: ...rce settings until the footswitch fails to reset the cycle This setting plus one least significant digit represents the lowest Non Destruct force that should be preset on the PRESET thumb wheels for t...

Page 37: ...of the next two screens use the F9 key to indicate that you wish to make a change In those cases where only two answers are possible the selection will automatically toggle Use the Enter key to termi...

Page 38: ...n the PRINT ALL DATA field will cause the software to print all of the data transmitted by the MP4 An N response will result in the Non Destruct software printing only that data which is outside the l...

Page 39: ...l stop at the end of each test series and wait for the operator to enter a new Serial Number The maximum number which can be entered in the No Pulls per Assembly field is 9999 12 A Y in the Echo Data...

Page 40: ...ion keys which are displayed in reverse video at the bottom of the screen have the meanings shown below NOTE The function keys are inoperative whenever the computer is waiting for the operator to ente...

Page 41: ...ield contains a Y The printout indicates that the operator pressed F7 during the second test Therefore the test was printed but was not included in the test results No of Good Tests During the fifth t...

Page 42: ...s will permit the operator to overwrite the PULLS TXT file with new data at the end of the test During testing the results will be added to the data contained in the PULLS TXT file NOTE Exiting the pr...

Page 43: ...Information Screen the following will be printed at the top of the first page of the report DESTRUCTIVE PULL TEST Date 12 06 1987 14 25 Operator M P PHFOUR Part No A1234567890 Lot No 4 234 789 WIRE B...

Page 44: ...or presses F7 The software replaces the MP4 Valid Test message with MP4 IN NONDESTRUCT The WIRE BROKE message is replaced with a space and any test that contains the NO TEST message is skipped 6 The f...

Page 45: ...ld contains a Y BOND PULL gf LOCATION ERROR 1 12 3 gf 1 2 5 gf NO TEST OPERATOR 2 12 2 gf 1 3 12 0 gf 1 4 12 2 gf 1 5 13 2 gf 1 6 13 3 gf 1 7 13 5 gf 1 8 14 2 gf 1 9 13 0 gf 1 10 12 6 gf 1 11 12 5 gf...

Page 46: ...results obtained from the actual data as the value assigned to each cell is used for the histogram calculations and the actual data is used for calculating the summary for each test Specifically if t...

Page 47: ...6 represents the previous serial number The operator keys in the next serial number followed by Enter DESTRUCT TESTING TEST PULL gf 16 11 7 gf Enter Next Serial No A 123456 13 To exit this program pre...

Page 48: ...or M P PHFOUR Part No A1234567890 Lot No 4 234 789 Beam Size 100 gf Pull Test Limit 2 5 2 7 gf No Bonds Device 16 Serial No 1 BOND PULL gf ERROR NO FAILURES Serial Number 1 No of Tests 16 No of Good T...

Page 49: ...erial No 2 illustrates the format when the Print All Data field contains a Y NO TEST OPERATOR can be generated by the operator by pressing F7 on the computer This data is printed but it is not used in...

Page 50: ...e Default Directory to the MP4 Subdirectory using the WGDD Command and use the FR Command to retrieve the appropriate template file NONDEST WK1 for Datalogs containing Non Destruct Test Data DESTRUCT...

Page 51: ...E COM1 SPEED PARITY BITS STP Change it to 210 LOCATE 21 3 COMFILE COM1 SPEED PARITY BITS STP RS DS Save the modified program as COMMP4 by entering SAVE COMMP4 Run the modified program and configure if...

Page 52: ...585 10125 1015 1440 2585 1205 1430 1220 1210 1305 1320 1365 1340 1330 1345 1325 1330 1335 1350 1340 1355 1315 1405 1355 1430 1410 1505 1010 1510 1535 1515 1310 2325 1525 1510 1540 1555 1560 Symbol Ref...

Page 53: ...30 5245 5230 5235 5255 5205 5280 5205 5305 5255 5310 5255 5325 5255 5705 5285 7005 1005 7115 7120 7205 7110 7310 7255 7105 7110 7120 7310 7260 7105 Symbol Reference Line 7265 7255 7290 7255 7260 7535...

Page 54: ...d Test Flag Operator pressed FKeY 7 1305 1325 1350 1360 1610 1865 2305 2320 2340 2360 2365 10025 BF Beam Factor a constant for each beam 2365 2510 2540 7505 7535 7540 7545 7610 10104 BMSIZE Beam Size...

Page 55: ...ST Number of bonds to be tested Last Test Number 1210 1360 1625 2210 2375 10025 LDHIST Load Histogram Flag Histogram loaded before testing started 2560 7615 7620 10110 LG Allowable length of alpha num...

Page 56: ...essed FKeY 5 1605 2430 2575 10025 PULL Pull Test Value 1330 1335 1350 1565 2360 2365 2512 10030 PULLSUM Sum of all Pulls 2210 2365 2495 2505 2512 10030 QT Single Quote Mark 1350 2360 5715 5720 5725 57...

Page 57: ...365 2370 2375 2405 2410 2415 10025 TEXT Text for input screens 10 5010 7015 10101 10102 10103 10104 10105 10106 10107 10108 10109 10110 10115 10116 10117 10118 10119 10120 10121 10122 10123 10124 UNIT...

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Page 67: ...r 230 V 13 60 50 Hz Power 20 watts Fuses 115 V operation both Beam Drive Module and Control Unit use a 0 5 A slow blow fuse 230 V operation Beam Drive Module uses a 0 5 A slow blow fuse Control Unit u...

Page 68: ...to 5 of full scale force second when wire bond reaches 95 of preset force Repeatability is 2 Beam Down Travel 0 5 second Calibrated weights Uncertified weights are within 0 25 if the indicated weight...

Page 69: ...imately 2 5 times that of the wire being tested Model Weight g Diameter in Maximum Pull g f Dimension A in Dimension B in Used On BH3 0 1 0 003 20 0 007 2 B10 B100 BH5 0 1 0 005 30 0 011 2 B10 B100 BH...

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Page 83: ...ted between terminal 1 and terminal 3 and between terminal 2 and terminal 4 For 230 volt operation a single jumper wire is connected between terminal 2 and 3 as shown in figure C 1 CAUTION Do not wigg...

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Page 85: ...omponents 1 2 C continued Controls and Indicators 1 10 Beam Drive Module 1 14 Electronic Control Unit 1 10 Controls Setup 3 3 Conversion for Different Input Voltage Appx C D Data Output 1 3 Connector...

Page 86: ...Readouts 3 9 L Literature Reference Appx B LOTUS 1 2 3 3 22 M Maintenance Operator 4 1 Repair 4 7 Troubleshooting 4 7 User 4 1 MIL STD 833 1 1 1 5 Excerpts Appx B Model B10 Beam 1 5 B100 Beam 1 5 B100...

Page 87: ...paration for Operation 3 1 Printed Reports 3 19 Printer Operation 3 9 Readouts Interpreting 3 9 Set up 3 9 Program Documentation 3 23 R RS 232C Serial Interface 1 8 Connector J1 1 9 Rear View of MP4 1...

Page 88: ...ROPULL IV WIRE BOND PULL TESTER INDEX 4 990 180 U Unpacking 2 1 User Maintenance 4 1 W Warnings Definition of iv Operator 3 1 Operator Maintenance 4 1 W continued Weights for Calibration 1 9 Z Zero Ad...

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