Hi Technetters, I hope that you got over Easter and its bunnies easily and I would like to ask a small question. Does anyone of you remember any study regarding the reliability of exposed copper (such as in a unprotected PCB - no soldermask and no solder) in diffrerent environmental conditions? Best regards, Yehuda **************************** Yehuda Weisz Tel: +972-3-6342045 Mobile: +972-53-556897