Electronics Forum: coated (Page 4 of 218)

Bubbles in conformal coat

Electronics Forum | Thu Aug 27 11:35:07 EDT 2009 | davef

There are many possibilities: * Conformal coat is incompatible with surface residue on the board * Conformal coat is incompatible with solder mask on the board * Moisture is out-gassing from the board * Conformal coat is too thick and does not allow

Conformal coating rework jumpers

Electronics Forum | Sat Oct 08 11:57:58 EDT 2016 | davef

A friend in the contract coating business said: "... ask why the wire is [teflon] coated in the first place, as only the solder joints should be coated in this situation as the flexing/bending of the wires will cause the coating to crack and flake of

Stencil nano coating worn out

Electronics Forum | Fri Jan 10 03:40:41 EST 2020 | jakapratama

Hi, Some nano coat supplier said that you can drop water to the surface where the coating supposed to present before to check. If it's beading, it's still there. I take it that you meant by self in-house wiping of coating, yes? Stencil supplier nan

Conformal Coating Height Inspection

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

Inspection Marking after Conformal Coating????

Electronics Forum | Fri Mar 27 18:19:28 EDT 2009 | blnorman

We use paper labels with a protective coating to prevent browning during reflow. We've had no problems coating over these labels with our silicone. If your coating is not silicone, a Sharpie should print on the coating.

coating uv light inspection

Electronics Forum | Fri Aug 30 07:27:21 EDT 2013 | duso02

Contact the coating manufacturer to get their response. We use many different coatings every day and they all glow differently but that has no affect on the coating itself. As stated earlier, it's job is only as an inspection tool to identify where

Re: DIP Conformal Coating

Electronics Forum | Sat Feb 12 02:59:39 EST 2000 | Eyal Dickerman

Suplier of Dip coating machines , Technology, Services... Mr Nicebit at ConCoat U.K.

Conformal Coat Thickness

Electronics Forum | Mon Jul 23 16:15:55 EDT 2007 | davef

Josh: Do you measure the thickness of the coupon prior to coating or do you peal the coating and measure that?

Tin Lead Electrodeposited Plating and Conformal Coat

Electronics Forum | Thu Nov 21 11:19:58 EST 2013 | davef

Generally, solder connections and leads are conformal coated, unless there is a reason not to coat them.

BGA failure after coating

Electronics Forum | Wed Sep 30 11:32:45 EDT 2009 | pbarton

What type of conformal coating are you using and are you allowing the coating to migrate under the device in question? If you are allowing the coating unbder the BGA the problem could be CTE of coating is much greater than that of the BGA balls/sold


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