Electronics Forum: coated (Page 5 of 218)

Conformal Coating Process Control & Inspection

Electronics Forum | Fri Jul 10 14:29:58 EDT 2020 | SMTA-64315913

Can you share some information relative to these questions about your conformal coating process: 1) What process controls do you use for conformal coating? 2) Do you perform manual conformal coating inspection? 3) Do you use AOI for inspecting confor

Conformal Coat peeling

Electronics Forum | Tue Apr 07 15:36:15 EDT 2009 | gtemkin

Most of the conformal coating manufacturers recommend verifying the compatibility of their coating with the solder mask, so it's no surprise that occassionally there will be such issues. Are you sure your conformal coat is completely cured? If your

Conformal Coating Discoloration

Electronics Forum | Mon Aug 29 16:21:20 EDT 2011 | rjlasko

Greetings...I have a customer that has an assembly that is conformal coated with Humiseal 1A33. This assembly has some components (resistors and FET's) that heated up during operation and has discolored the conformal coating around their location.

Acrylic comformal coat on PCB

Electronics Forum | Thu May 02 10:25:14 EDT 2013 | wahahasteven

we have a Specialty coating system (SCS) precisoncoat spray coating system. we are using an acrylic coating material with about 80cp viscosity. The spraying pressure is around 4-6 psi. The main issue is the finish looking of the board. If we apply hi

Coatings to prevent water ingress

Electronics Forum | Tue Jun 03 09:04:38 EDT 2003 | Mike F

Do a search in the archives on conformal coating and silicone conformal coat. A variety of companies make conformal coatings and the equipment to apply it. Coatings can be applied by dipping the board into the coating, brushing it on, or spraying i

Re: conformal coatings and flux compatability

Electronics Forum | Tue May 23 15:40:17 EDT 2000 | larry

We currently use both Humiseal and Conap with OA flux. The flux MUST me cleaned off the assembly before coating. I know that Humiseal has coatings that are compatiable with no cleans as long as your processes are defined properly before your coating

Inline Comformal Coating Equipment

Electronics Forum | Wed Jul 01 07:11:55 EDT 1998 | Wayne Bracy

Seeking information on companies that manufacture conformal coating equipment. Pro's and Con's of UV / IR or air cured coatings. Masking verses selected coating systems. Thanks Wayne

Cleaning of Entek Boards

Electronics Forum | Thu Jul 18 02:13:40 EDT 2002 | computer

Hi, Currently my company is running entek coated boards. But whenever there is a misprint, we cannot wash the boards as it would diminish the coating. Is there anyway to clean the boards without removing the coating or is there a way to re-coat

epoxy coating methods

Electronics Forum | Wed Jun 16 09:46:02 EDT 2004 | blnorman

Have you considered spraying the coating? Check with the manufacturer of the epoxy to see if they recommend any equipment and whether or not the coating would have to be mixed with solvent to provide a smooth, thin even coat.

Conformal Coating BGA's

Electronics Forum | Thu Jan 13 09:18:28 EST 2005 | davef

We agree that coating BGA solder balls with conformal coat is a bad idea due to differences between the z-dimension thermal expansion between the conformal coat and solder.

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