Electronics Forum | Thu Feb 22 05:30:06 EST 2007 | lococost
nothing but... We've had peel-off melting after reflow, burn up and turn hard and brown, melt in the holes and then turn hard... All very hard to remove afterwards. We have yet to find a proper solution.
Electronics Forum | Fri Feb 23 18:55:39 EST 2007 | greg york
burns and melts in the pot sending the solder golden/yellow and drosses like mad. Lackwerke pieters germany ( not sure on spelling) Lead Free version works well,if you need the exact code I will get for you. cheers greg york
Electronics Forum | Mon Aug 05 16:38:01 EDT 2013 | action_101
Tech Spray (part # - Wondermask P 2211) - http://www.techspray.com/product-info.php?pId=69&bId=23 Chemtronics (part # - CNA8) - http://www.chemtronics.com/products/product.asp?id=502
Electronics Forum | Tue Oct 03 11:29:56 EDT 2023 | stephendo
Why ultrasonic cleaning? If the ultrasonics are causing problems then nothing will protect the mic. What about peelable mask?
Electronics Forum | Tue Oct 03 18:15:24 EDT 2023 | daniel_stanphill
I had the same thought. We use a peelable mask to protect components during conformal coating. It could potentially give it complete protection with relatively easy removal.
Electronics Forum | Tue Jan 17 16:43:03 EST 2006 | davef
If you are not washing and want to stay with a peelable mask the two basic types are vinyl and latex. Although we've seen some silicone and urethanes, they cost more. * Do not use latex peelable solder mask with a low residue soldeing process withou
Electronics Forum | Tue May 10 15:04:16 EDT 2005 | russ
You can buy pre-made dots if that helps, they usually come in sizes from 1/8" on up. I have use a lot of temporary masks and no of none of them that cures quickly. I am sure that you know the thinner it is applied the quicker it cures. Have you e
Electronics Forum | Thu Dec 12 10:42:52 EST 2002 | Adam
Guys Does anyone have any bright ideas with regards to masking a PLCC socket with via holes directly below the socket, prior to conformal coating ? We've tryed kapton tape and peelable masks but not with desirable results. Our coating process is a t
Electronics Forum | Tue May 10 16:57:42 EDT 2005 | russ
Of course when it gets too thin it becomes difficult to remove! D^%#$'d if you do, D!@#'d if you don't. I agree with Jerry we also run the stuff semi wet when we have to. Do you have the possibility of getting these masked prior to assembly like t
Electronics Forum | Thu May 12 07:27:51 EDT 2005 | Frank56
Hi Amejia, Do you can try my silly idea by using some connector header with plastic holder type cut and preparation by number of pin same as number of hole you want to mask and insert thru the pcb hole before you coat or may be you can use some type
