Electronics Forum | Mon Jan 28 08:44:21 EST 2013 | diamondmt
John, In addtion to the cleaning process you may wnat to look at the masking materials you are using as well. Are you using any temporary masking tape? If so, do the dewetted areas coincide? Some of these tapes use a silicone-based adhesive which wi
Electronics Forum | Thu Feb 01 07:41:01 EST 2018 | dontfeedphils
Interesting, never heard of using wax as a coating mask. Not sure how well the AR coating would hold up to a hot alkaline wash (unless you have experience with it), but that stuff usually starts to flake off/de-wet if you just look at it wrong. I'm
Electronics Forum | Wed Jan 31 10:56:23 EST 2018 | dontfeedphils
I'm working on bringing up a new conformal coat process/workcenter and have a few questions I'm hoping someone might have experience with. Right now we're manually spraying both coating materials (1B31 and 1A33 from Humiseal) using HVLP guns. I run
Electronics Forum | Wed Apr 19 11:50:05 EDT 2006 | amol_kane
Hi BJ, Everyone's favourite answer...it depends! If the volume if large, masking boots will save you both, time and money in the long run. Custom boots are relatively expensive to buy, but they pay themselves over time by savings on masking tape. ma
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
