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April 2006

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Subject:
Die Attach
From:
Scott Westheimer <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Scott Westheimer <[log in to unmask]>
Date:
Sat, 22 Apr 2006 08:45:06 -0400
Content-Type:
text/plain
Parts/Attachments:
text/plain (23 lines) 
Got a question for you die attach gurus. We are currently using boards with
electroless gold finish. We have a supplier that has sent in boards with
electro-plated gold and we are seeing our die shear's going down. I would
expect to see some decrease in die shears but we are seeing in some cases
50% reduction. Any body out there doing both types of gold finishes and if
so are your parameters and things like flux the same for both?


Thanks


Scott B. Westheimer

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