Electronics Forum | Mon Jul 23 17:49:04 EDT 2007 | davef
We know nothing of DeFelsko, but do understand how they distinguish between the solder mask and the conformal coat. DeFelsko manufactures hand-held, non-destructive coating thickness gages that are ideal for measuring the dry film thickness of confo
Electronics Forum | Thu Oct 06 10:57:52 EDT 2005 | SuMoTe
Put a known thickness gage next to your boards to be coated. Then coat it in the same pass as your boards. Measure the "new" thickness of your gage and subtract the difference. That will be your coating thickness. This is assuming your coating your o
Electronics Forum | Thu Oct 06 15:43:03 EDT 2005 | chunks
A wet film gage works best.
Electronics Forum | Thu Oct 06 20:09:07 EDT 2005 | davef
URL: Who are some suppliers of "wet film gage"?
Electronics Forum | Thu Oct 06 08:30:32 EDT 2005 | jdumont
What is the best/most economical way to check the thickness of conformal coating after being processed. Would a standard height gage do? Thanks in advance...
Electronics Forum | Fri Oct 07 09:05:12 EDT 2005 | chunks
There's a ton of em'. We used the one from Paul N. Gardner Company, part # WF-CCD. They cost 0.95 each, so if someone decides the gage looks better in their garage, it's not that big of a deal. We set up a program that puts down 4 stokes on a test
Electronics Forum | Mon Jul 23 11:44:40 EDT 2007 | davef
NASA-STD-8739.1, 10.2.3 Thickness Measurements. Thickness measurements shall be made on coupons processed at the same time and under the same conditions as the PWA. The coupon substrate may be any compatible rigid material with a smooth flat surface.
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