Electronics Forum: silicon (Page 1 of 36)

Silicon contamination in solder joint

Electronics Forum | Tue May 27 11:59:14 EDT 2003 | blnorman

Is anyone aware of any reports, studies, articles on the subject of silicon contamination in SnPb solder joints. We are evaluating repair of conformally coated (silicone) boards. The fear is that we will never totally remove the silicone and once i

We need silicone for capsulation electronic blocks

Electronics Forum | Thu Nov 02 07:15:37 EST 2006 | Anisimov Sergey

We are producer of electronic blocks. We are use for capsulation our blocks silicone RTV627, but earlier we was using silicone CRTV-6405. We want find provider silicones CRTV-6405. In month we are use up 400-500 kilogram of silicones. Our firm locat

silicone conformal coat and electrical contacts

Electronics Forum | Tue Jan 30 20:38:32 EST 2007 | davef

NASA Internal Advisory: NASA-Issued Return to Flight Wristbands Contaminated with Silicone [snip] 10. PROBLEM DESCRIPTION: Recently we have been made aware of a silicone problem associated with the "Return to Flight" wristbands. These wristbands are

Conformal Coating over No Clean Flux

Electronics Forum | Mon Jan 29 11:52:55 EST 2001 | blnorman

We have been using a VOC-free, no-clean flux on our boards that we conformally coat with no problems. We're using both a UV cured and a heat cured Silicone conformal coating. One thing to beware of is inhibition in the silicone. We found that out t

Silicone for bonding?

Electronics Forum | Mon Oct 06 09:51:13 EDT 2003 | davef

We ban silicone from our shop. It makes connections unsolderable.

silicone conformal coat and electrical contacts

Electronics Forum | Mon Jan 29 20:25:24 EST 2007 | davef

We allow no silicone in our shop, because they ruin solderability.

how to remove bubbles on silicone coating?

Electronics Forum | Mon Jul 04 01:30:24 EDT 2011 | rickysanchez

we encounter bubbles on silicone coating after oven curing.what to do to avoid bubbles?

Silicon contamination in solder joint

Electronics Forum | Wed May 28 11:56:18 EDT 2003 | blnorman

Yes we are using "silicones", but to find this contaminant we were looking for "silicon" the element by SEM/EDS. We use Dow materials and my contact there is checking to see if they have any info.

Masking of PWBs prior to conformal coat

Electronics Forum | Thu Apr 20 09:53:25 EDT 2006 | samir

Amol, good call there. Silicone mask and silicone coatings are friendly with each other. This was 1995, and at the time, there were no silicone boots available on the market.

Re: Tape residue cleaner

Electronics Forum | Fri Apr 07 17:17:55 EDT 2000 | Dave F

Ashok: You should select and use low residue tapes. But ya know, ya go out and research a great tape and if yer not careful, the buyer will second source ya and (surprise) ya got residues again. We have found that Lemme say this about Katon tape

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