Electronics Forum | Wed Sep 10 12:44:55 EDT 2008 | vladig
Well, it wasn't as easy to figure out the root cause. The last image is below. It shows how the board finish looks like (the trace was under solder mask). AS you can see, the layer of E-Ni is spliting (the board shop admitted the problem afterwards).
Electronics Forum | Wed Sep 10 14:39:30 EDT 2008 | vladig
No, we didn't do the test you mentioned, but did EDS on the joints and didn't see carbon their (which would indicate the presence of any organic-based contaminant). For the customer the issue was closed and passed to the board shop. We did work with
Industry News | 2009-11-06 17:20:54.0
Universal Instruments’ Advanced Process Lab hosted the third 2009 Advanced Research in Electronics Assembly (AREA) Consortium meeting at the Treadway Inn in Owego, NY on October 28-29. More than 75 attendees from the 29 member companies participated in the two-day event and a much larger number has signed up for subsequent webcasts of the presentations. Topics ranged from lead-free solder microstructure and reliability to environmental stress screening procedures.
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