Electronics Forum | Tue Nov 22 09:52:57 EST 2005 | moonshine
Might be resin smear. Check out all the stuff on my free site as articles, photos of almost every board defect imagineable plus much more. Did I mention, It's ALL FREE ALL THE TIME? MoonMan
Electronics Forum | Wed Oct 19 07:44:33 EDT 2005 | davef
When a hole is drilled during board fabrication, it can transfer resin from the base material (eg, FR4 core or prepreg) to cover the exposed edge of conductive material in the wall of a drilled hole. This is called resin smear. Etchback is a control
Industry News | 2012-05-04 09:21:15.0
As printed boards evolve and chip speeds increase, the use of microwave technology in commercial applications, such as cell phone towers and in military products, is expanding.
Industry News | 2018-12-08 03:29:29.0
SMT Dictionary – Surface Mount Technology Acronym and Abbreviation
