Printed Circuit Board Assembly & PCB Design Forum
SMT electronics assembly manufacturing forum.
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I have an assembly that uses several different BGA packages....
- Dec 02, 2005
by
no one else has seen this?
...
- Dec 05, 2005
by
I'm sure that we have all seen it but it can be from so many...
- Dec 05, 2005
by
RDR
Not all but some were tested O.K before the failure. What ar...
- Dec 05, 2005
by
thermal cycling
chemical reactions (can occur slowly)
they...
- Dec 05, 2005
by
Stephen
Dude, make sure you're not getting too hot, too quick. If th...
- Dec 05, 2005
by
Ina ddition to the above it can be from CTE mismatch and the...
- Dec 05, 2005
by
RDR
Russ, we had similiar issue on the corner seperation. The bo...
- Jul 25, 2006
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All my studies led me to believe that it was CTE mismatch of...
- Jul 25, 2006
by
RDR
whippingpost