Epoxy Smear: All you need to know about it

Epoxy resin which has been deposited on edges of copper in holes during drilling either as uniform coating or in scattered patches. It is undesirable because it can electrically isolate the conductive layers from the plated-thru hole interconnections in PCB manufacturing. Epoxy Smear: All you need to know about it, Epoxy Smear: All you need to know about it so Learn with details on MadPCB