Electronics Forum: coatings (Page 36 of 225)

Acrylic conformal coat cure test method

Electronics Forum | Wed Feb 28 20:10:08 EST 2001 | mhunter

Checked the archives with no luck. Anyone have a reliable test method of verifying acrylic conformal coat cure. Using Humiseal 1B31 mixed with approximately 30% solvent, spraying with a Nordson. Thanks in advance.

Acrylic conformal coat cure test method

Electronics Forum | Wed Feb 28 20:16:26 EST 2001 | mhunter

Checked the archives with no luck. Anyone have a reliable test method of verifying acrylic conformal coat cure. Using Humiseal 1B31 mixed with approximately 30% solvent, spraying with a Nordson. Thanks in advance.

Conformal Coating Immersable in Water

Electronics Forum | Wed May 16 11:34:55 EDT 2001 | b123084

I am looking for a conformal coating to protect a PWB that will be completely submerged in water. Unfortunately polyurethane will not work because it will not fill all of the small spaces and leaves voids.

coating with no-clean?

Electronics Forum | Thu Jan 13 11:12:54 EST 2000 | jacqueline coia

Does anyone conformally coat PCBs that have been processed with a no-clean solder paste? Any comments on this subject would be appreciated. Cheers

Cleanliness Testing/Conformal Coating

Electronics Forum | Mon May 10 12:03:27 EDT 1999 | Douglas A. Hooper, Sr.

If I clean my assembly and find no visable contamination with the unaided eye, do I need to do cleanliness testing prior to conformal coating?

sub heatsinks

Electronics Forum | Tue Apr 27 06:35:33 EDT 1999 | Dan

Using moss fets attached to sub heatsink and hard coat anodizing sub heatsink at higher cost and erratic performance. Looking for thermal tape, insulator to replace hard coat that will prevent shorting.

Green coating and through-hole plating

Electronics Forum | Tue Aug 11 15:13:05 EDT 1998 | Xingsheng

Hi, can you please tell me how to make green coating and through-hole plating of PCB? Thanks! Xingsheng

Reliability of coated Plastic encapsulated Microcircuits

Electronics Forum | Mon Jul 20 04:19:01 EDT 1998 | Michael Jeremias

Who knows something about the reliability of plasti PEMS and its enhancemant by application of conformal coating (Parylene, metal, SiO2, SiNxOx, etc.) ?

How to clean a Entek Coating Board

Electronics Forum | Fri May 29 14:01:36 EDT 1998 | Joseph How

Does anyone out there can let me know how to clean a Entek Coating Board if I have a misprint during solder paste printing?

BGA underside cleaning

Electronics Forum | Thu May 07 08:31:13 EDT 1998 | Alan Pestell

We are about to use BGAs on our equipment. We clean all products prior to confomally coating them - to keep moisture off the IC legs. Will this be a problem with BGAs. Will we need to get the coating underneath the BGA or will the pitch on the balls


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