Electronics Forum: conformal coating black light thickness (Page 1 of 2)

Problem with conformal coating

Electronics Forum | Thu Feb 17 15:01:23 EST 2005 | davef

We're not familiar with your DYMAX #984-LVUF. The problem is not with your conformal coating. The problem is with your 0805 [and not all of 0805, probably just those from a specific supplier]. This lack of coverage of components is called dewetting

UV cure conformal coating

Electronics Forum | Thu Mar 31 10:14:06 EST 2005 | davef

There's some nice low-VOC uV coatings out there. We don�t use uV cured coatings, but try: * http://www.emersoncuming.com * http://www.dymax.com * http://www.mgchemicals.com * http://www.loctite.com * http://www.humiseal.com Be aware that uV co

Inspect workmanship through conformal coating

Electronics Forum | Mon Sep 05 16:24:09 EDT 2016 | davef

inspect => conformal coat ... and standards are aligned with that philosophy. I can imagine doing a good job inspecting assembly after being coated with particular coating thickness, optical properties, lighting conditions. Ultra-thins are so thin

face mask for conformal coating operator

Electronics Forum | Wed Oct 09 16:19:54 EDT 2019 | cbart

We have draft/vent booths for our folks, we had a local company here make them for us with Black lights built in. they work nicely there is a constant draw. We also had the same company build drying cabinets, they have constant draw/ventilation on th

Cleaning for conformal coat

Electronics Forum | Fri Jan 25 13:07:31 EST 2013 | johng

Thank you for replying Phil. We use water only wash at 130°F and at 4 ft/min (about 2 min). They are mostly dried by the hot ait knife and left to air dry until next day. The operators do not wear gloves. When I run a bare board through the same pro

Conformal coating inspection

Electronics Forum | Wed Dec 01 15:53:59 EST 2004 | davef

uV light inspection indicates the "completeness" of coverage, but provides no measurement of coating thickness.

Conformal coating inspection

Electronics Forum | Wed Dec 01 13:47:02 EST 2004 | gs

Wood or Black Light is the common way to call that UV ligth used ie. inside "disco" and used for many applications like to activate the fluorescent particels contained by conformal coating material,adhesives, paper money, etc. Any way ask for TL-08

BGA failure after coating

Electronics Forum | Thu Oct 01 07:03:55 EDT 2009 | davef

We doubt that Humiseal 1A33 is causing opens in your assemblies. We'd guess the opens occur earlier in the process, but are not hard failures. So, you pass your tests. When applied, the conformal coat flows into the gap in the ball crack and insulate

Conformal coating mask dots and halos

Electronics Forum | Thu Feb 25 07:37:42 EST 2010 | pcbrown

We are using Humiseal 1B31 and polyester dots for masking. We are spraying this in a Binks sprayer mixed at almost 1:1 with 521 thinner. Whe are seeing the coating creating thin halos around the poly dots as if the dots are "rejecting" the coating. T

Conformal Coating Coverage

Electronics Forum | Thu Jan 30 15:41:52 EST 2003 | MikeF

The easy part is to determine which parts should be coated. The harder part is making sure the parts that should not be coated do not get coated. I don't even want to think about the amount of labor and materials I've lost due to conformal coat get

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