Electronics Forum | Thu Apr 21 10:44:35 EDT 2005 | jdumont
Morning all. So today I have been tasked with conformally coating a few of our first run PCBs for a new product line. The problem is that they have already had all the larger caps potted with RTV. Are there any problems with spraying the CC over the
Electronics Forum | Fri Apr 05 16:31:55 EDT 2019 | slthomas
Never heard of such a thing. Are you sure the coating isn't just making the solder balls more prominent? Where are the "new" solder balls appearing after coating?
Electronics Forum | Mon Jul 02 08:57:21 EDT 2012 | dontfeedphils
It'll probably help to know what type of coating you're using on your boards, how it's being applied, and how it's being cured.
Electronics Forum | Tue Jul 03 03:12:20 EDT 2012 | mccabekev
Unfortunately our customers expect this coating on the boards so that is not an option. There must be something that can mark underneath without washing off. The silk screen doesn't wash off
Electronics Forum | Tue Jul 03 03:13:14 EDT 2012 | mccabekev
Unfortunately our customers expect this coating on the boards so that is not an option. There must be something that can mark underneath without washing off. The silk screen doesn't wash off
Electronics Forum | Tue Sep 06 12:41:52 EDT 2016 | kmclain
IPC J-STD-001 does not allow solder inspection to be combined with coating inspection for classes 2 and 3.
Electronics Forum | Mon Sep 28 12:25:13 EDT 2009 | vleasher
Could someone point me in the direction of some good manufactures of batch style curing ovens? We have a new project requiring Humiseal 2A64 and we do not have an oven for the 3hrs @ 170F cure. Thanks in advance!
Electronics Forum | Mon Sep 28 15:36:29 EDT 2009 | davef
While you're waiting for others to reply, search the fine SMTnet Archives to find threads like: http://www.smtnet.com/Forums/Index.cfm?CFApp=1&Message_ID=56260
Electronics Forum | Mon Jul 02 12:01:28 EDT 2012 | patrickbruneel
This material contains acetone in 30% plus range and toluene with this solvent combination ink is not an option. You will have to get a CC that doesn’t contain acetone as solvent.
Electronics Forum | Thu Jul 05 09:43:32 EDT 2012 | duso02
What is the specific make/model of the SR? Being in an aerosol, I'm sure they thin it down quite a bit so that thinner is what is attacking your ink.
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