Electronics Forum | Fri Sep 18 07:32:53 EDT 2009 | karthikthebest
I agree with Graham cooper's input. Also note that the brownish color is incremental w.r.t to number of days you hold after the thermal cycle(example: after the reflow)so try to complete all thermal cycles ASAP to lessen the discoloring.
Electronics Forum | Mon Feb 08 17:37:29 EST 2016 | steprog
Sorry, I guess I don't know how to address an individual on this thread directly. The fella who represents the anti-flux solder paste - Graham Cooper.
Electronics Forum | Fri Sep 18 08:35:04 EDT 2009 | rwyman
I agree with Graham Cooper. -033 does not explicitly allow for the use of this type of bag. We had the same question asked here a few months ago and my answer was the same. While it's possible/likely that the bag material meets the WVTR spec, my c
Electronics Forum | Fri Jun 01 11:06:17 EDT 2012 | davef
Post-reflow delamination is almost always caused by entrapped moisture. Here's more from the fine SMTnet Archives ... http://www.smtnet.com/Forums/Index.cfm?CFApp=1&Message_ID=64774 As Graham Cooper suggests in an earlier posting on this thread, ba
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