Electronics Forum | Fri May 29 14:34:37 EDT 2020 | huske
BEST Inc offers this type of product for custom shape cutouts. You can buy standard circles and squares from many places. soldertools.net/conformal-coating-tapeshapes-laser-cut-3m-type-401-engineering-cad-work/ solder.net/painters-tape-cus
Electronics Forum | Tue Nov 24 05:23:18 EST 2009 | prodivegsr
Hi Davef, Thanks...Saw 1 of your thread that you posted : Thanks for providing... From davef : There are many possibilities: * Conformal coat is incompatible with surface residue on the board * Conformal coat is incompatible with solder mask on the
Electronics Forum | Tue May 19 10:28:51 EDT 2020 | smtmartin100
Hi, Our assembly process involves applying Kapton tape to the back side of our device, a laborious cutting and sticking operation. We are scaling up from "cottage industry" so I'm interested to know if you can buy Kapton shapes on a reel cut to our s
Electronics Forum | Tue Jan 27 10:54:45 EST 2004 | patrickbruneel
I would suggest trying an acrylic peelable mask. In most cases peelable temporary masks are latex materials. Since you use an acrylic conformal coating it makes sense to use a mask with the same make up to avoid incompatabilities. Link to acrylic mas
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
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 | Mon Jan 28 11:50:23 EST 2013 | johng
Good morning Mark, No issues around the masking at this point. The issue seem to be in open areas as well as between clad runs. We are using Humiseal 1A33 Conformal Coat.
Electronics Forum | Wed Oct 13 12:54:44 EDT 1999 | Dave F
Mikeh: You can't let that stuff get to your carbon bed. Literally, you can watch your bed die. The clay coats the carbon, entombing it. I've heard talk of using a RO filter as a front-end buffer to the recycling system, but know of no one who has
Electronics Forum | Mon Jan 26 11:41:04 EST 2004 | pbarton
Some questions: Is the peelable/spot masking only being applied to the earthing points on the one side or to both sides? Is the peelable mask you are using specifically designed for coating masking or is it the same as that you use for masking sold
Electronics Forum | Wed Sep 09 17:24:49 EDT 2020 | kumar
For Conformal coating machine to mask the components which material(silicon or SS) make masking boots is beeter interms of Cost,cycle time,Reusable lifecycle