Electronics Forum | Thu Oct 22 15:10:00 EDT 1998 | Chris Fontaine
| I'M LOOKING FOR A SOLVENT TO MAKE REMOVING EPOXY FROM THE BOTTOMSIDE OF BOARD ON SMT COMPONENTS. THIS IS MOST IMPORTANT AFTER THE EPOXY HAS CURED AND EVEN RAN THROUGH THE WAVE. I'M LOOKING FOR A WAY OF | MAKING THE REWORK PROCESS ON THE CURED EPOX
Electronics Forum | Tue Nov 04 10:21:40 EST 2003 | blnorman
One of the requirements for our components and PCBs is fluid compatibility. They are tested by a 30 second immersion in the applicable solvent/cleaner/fluid, then they are tested for functionality and degradation.
Electronics Forum | Tue Jan 10 14:34:40 EST 2006 | Amol Kane
arent there environmentally friendly solvents (i have seen some from 3M) that can be used in a vapor degreaser. i was also planning to use the vapor degreaser to clean boards prior to conformal coating
Electronics Forum | Mon Jul 23 16:17:19 EDT 2007 | mleber
We have not had the best of luck with wet film. I agree on your statement. Depending on the mix and amount of solvent your results will vary. We were looking for something easy, accurate and foolproof.
Electronics Forum | Tue Feb 03 13:47:59 EST 2009 | grics
I would also suggest looking at your ramp rate in the cure oven. We noticed that accelerated heating increased the "gas out" of the solvent. We run 1A33 and and do not exceed a .5/degC ramp rate.
Electronics Forum | Tue Jun 05 21:14:10 EDT 2001 | davef
You aren't going to post our stuff on your "Hey, I'm the wizard site", are you? Board fab, Pad coatings, OSP 1 OSPs: Imidazole (Via Systems) is good. Entek (Enthone) works, but requires strict thickness control in fab. 2 Enthone CU56 allows one t
Electronics Forum | Fri Jan 25 12:14:18 EST 2013 | johng
I'm using urethane conformal coat and have fisheyes and dewetting after coating even though the PWAs have been through the wash cycle twice. I'm looking at using Ionox 13302 in an ultrasonic cleaner as a short term solution until root cause can be id
Electronics Forum | Fri Jan 25 12:15:04 EST 2013 | johng
I'm using urethane conformal coat and have fisheyes and dewetting after coating even though the PWAs have been through the wash cycle twice. I'm looking at using Ionox 13302 in an ultrasonic cleaner as a short term solution until root cause can be id
Electronics Forum | Tue Apr 14 17:39:34 EDT 2009 | gregoryyork
Sorry been away for a while. It is actually due to high boiling solvents or plasticizers leaching from the porous resist that kills the cure as it puddles out and has nothing to adhere to. We do have some wipes to check the cure and are looking to ma
Electronics Forum | Sat Jul 25 11:11:09 EDT 1998 | Mike Moninger
| Be consistant on: | 1 Keeping the coating material thinned. | 2 Using the same dipping motion on each board. Amen on thinning the coating, and you might also be concerned about the curing mechanism for the coating. Moisture-cured and 2 component
