Unitek 6-099-04, Operation And Maintenance Manual

Page: 49 / 88

CHAPTER 3: OPERATING INSTRUCTIONS
MICROPULL
®
IV WIRE BOND PULL TESTER
990-180 3-21
16 2.6 gf
Serial Number: 2
No. of Tests: 16
No. of Good Tests: 15
No. of Bad Tests: 1
Beam Size: 100 gf
Pull Test Limit: 2.5 - 2.7 gf
No. Bonds / Device: 16
Serial No: 3
BOND # PULL (gf) ERROR
NOT TESTED
Explanation of Non-Destruct Test Report.
The printout for Serial No. 1 shows the result when the
"Print All Data" field contains an "N". Had there been a failure during the testing of this device, the data
for that test would have been printed in a format as shown for Serial No. 2, Test #5. Serial 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
either the Non-Destruct or Destruct Test results.
DESTRUCTIVE PULL TEST
Date: 12-06-1987 14:25
Operator: M.P. PHFOUR
Part No: A1234567890
Lot No: 4-234-789
WIRE BOND FAILURE LOCATION CODES per MIL-STD-883B
1 - Wire Break at neckdown point.
2 - Wire Break at any other point.
3 - Failure in bond interface at die.
4 - Failure in bond interface at substrate or post.
5 - Lifted metallization from die.
6 - Lifted metallization from substrate or post.
7 - Fracture of die.
8 - Fracture of substrate.
Beam Size: 100 gf
No. Bonds / Device: 16
Serial No: 1015
BOND #PULL (gf) LOCATION – ERROR