Unitek MICROPULL IV MP4/115 Operation And Maintenance Manual page 44

CHAPTER 3: OPERATING INSTRUCTIONS
KEY
Fl
F3
F4
F5
F7
F10
5 The messages that can be received from the MP4 in the Destruct Mode are:
A "NO TEST / OPERATOR" message is generated by the software whenever the operator 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 following is displayed on the computer's screen:
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.
7 Press the footswitch and proceed with the first test. The data resulting from this test will be displayed
immediately after the footswitch is depressed for the second test.
3-16
That was the last test. Print results and gets ready for next device.
End testing, return to Change Header screen.
End testing, return to Configure Hardware screen.
End testing, plot histogram, save / erase pull data.
The last test was invalid. Ignore this data.
Exit program
VALID TEST
NO TEST
HIT UPSTOP
WIRE BROKE
FALSE ERROR
DESTRUCT TESTING
TEST PULL(gf)
Start Testing
®
MICROPULL IV WIRE BOND PULL TESTER
DEFINITION
990-180