Electronics Forum | Mon Aug 08 21:34:44 EDT 2005 | davef
Jim Can you be more specific? What's going "yellow / beige" on you? * Laminate * Solder mask * Legend
Electronics Forum | Mon Aug 08 22:40:49 EDT 2005 | davef
Jim Can you be more specific? What's going "yellowish" on you? * Laminate * Solder mask * Legend
Electronics Forum | Fri Mar 30 14:47:27 EDT 2007 | GS
MSL 3) By SAM (Scanning Acoustic Microscope) before to remove them from PCB, you could identify if de-laminated or not and the degree of delamination. Best Regards...GS
Electronics Forum | Tue Jun 05 15:10:24 EDT 2007 | jax
Am I missing something? Get the Laminate Sizes from your suppliers, and make your own Array Files. You might need to include tooling holes for the Fabrication house but they will surely supply you with the information that they need. This way you
Electronics Forum | Sat May 02 08:48:32 EDT 2009 | davef
You have a board defect. Any moisture and/or organic contaminants trapped by the solder resist during lamination may cause solder mask delamination, blistering and/or adhesion loss during subsequent soldering operations or during extended use.
Electronics Forum | Fri Oct 23 07:55:25 EDT 2009 | davef
For a properties comparison, look here: http://www.merix.com/files/Preferred%20Laminates%20and%20Prepreg%20rev%20090106.pdf
Electronics Forum | Tue Aug 06 13:30:56 EDT 2013 | horchak
Wow this sounds like an upper management questions. Why would anybody suspect any different out gassing from a board that de-laminates and one that doesn't, unless of course the board is literally being burnt or scorched. If I'm missing something he
Electronics Forum | Thu May 09 01:43:56 EDT 2019 | compit
in my camera did not detect PCBs from light green laminate - did you try on a different color PCB?
Electronics Forum | Mon Feb 23 05:37:23 EST 2009 | emmanueldavid
Necoleta, PWB Blistering/De-lamination may not be due for Titanium finished threads / holders which is typically being used to draw high Shelf Life of Pallets and even flow across Auto Wave Soldering rails. There is also nothing to suspect on Liquid
Electronics Forum | Thu Oct 26 13:56:08 EDT 2000 | ptvianc
Hello: Pre-baking laminates should only be performed:(1) to meet contractual agreements or (2) in response to an actual defect that can be traced to PWB water absortion. Besides the fact that a pre-bake is an enormous process "bottleneck," it also
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