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Yet another Pb free Failure Mode in PCBs
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Topic: Yet another Pb free Failure Mode in PCBs (Read 3083 times)
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HLA-27b
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Yet another Pb free Failure Mode in PCBs
«
on:
July 25, 2012, 08:56:25 pm »
Just found this very detailed paper
http://www.smtnet.com/library/files/upload/Reliability_and_Failure_Mechanisms.pdf
Apparently small vias can crack during high temperature reflow associated with lead free processes.
Here is a picture worth 1000 words:
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Last Edit: July 25, 2012, 08:59:50 pm by HAL-42b
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Yet another Pb free Failure Mode in PCBs
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