Electronics Forum | Wed Jan 30 04:23:25 EST 2008 | chs
What type of conformal coating spray ? Is it permenant or washable ?
Electronics Forum | Mon Jan 14 23:02:52 EST 2008 | davef
You don't mention any particular IC or manufacturer or marking method. However, most IC marking is done with lasers these days. The laser actually alters the encapsulation so the only way to erase the marking is to remove the encapsulation. Otherwise
Electronics Forum | Fri Jan 11 00:32:16 EST 2008 | johnlee9210
Prior to packing the boards, we cover the marking on the IC by dispensing epoxy on top it. This is a way to protect our design so no one can copy it. We have a lot of boards and the optr takes a long time doing it manually. im thinking of using a pne
Electronics Forum | Wed Jan 30 20:07:56 EST 2008 | davef
Any ol' acrylic or urethane will work. It's possible to remove these conformal coatings. We've never removed coating from components to determine if the marking is still unlegible
Electronics Forum | Wed Jan 16 07:49:40 EST 2008 | bandjwet
John: As one of the previous replies indicated a LASER of the proper wavelength (organic materials) will do this job. Contact BEST at http://www.solder.net offline to see if this is an option you want to pursue. Other methods include labels and m
Electronics Forum | Fri Jan 18 19:02:45 EST 2008 | arun2382
I agree, except you need to be careful with the depth of cut since it may affect the package internal connections (wirebonds) -A
