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| From [log in to unmask] Mon Apr 14 10: |
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Could someone please more thoroughly describe the IST methodology. I've read the recent CircuitTree article but it doesn't explain the test coupons, methods, etc. All help appreciated.
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From: Reed, Randy[SMTP:[log in to unmask]]
Sent: Wednesday, April 09, 1997 10:56 AM
To: [log in to unmask]
Subject: IST Test Technique
To my knowledge, PWB Interconnect Solutions is the only independent test
service available to date. The service PWB provides is professional,
timely, and is exceptional value. The cost to do the test is $65 which
is the same price to have a microsection done by an independent lab. The
value PWB provides you is work fatigue information for 250 IST cycles, a
microsection evaluation, and a professional opinion of the post
inner-connect and barrel quality.
Merix uses IST for material and process qualifications, process
capability monitoring, as a response in DOE testing, and monitoring of
strategic PWB designs. Merix purchased the equipment in November 1996
and completed a comprehensive acceptance test of the equipment. The
acceptance testing confirmed the ability of the machine to correlate
resistance to temperature and the ability to detect post interconnect
defects.
Randy Reed
Merix Corporation
[log in to unmask]
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