Timothy, The effect is disasterous - you can not electroplate on it. We had this kind of problem caused by air pollution released by nearby leather processing factory. The only way we found was to eliminate the exposure our board to such environment. Edward Szpruch Eltek , Manager of Process Engineering P.O.Box 159 ; 49101 Petah Tikva Israel Tel ++972 3 9395050 , Fax ++972 3 9309581 e-mail [log in to unmask] > -----Original Message----- > From: Timothy Reeves [SMTP:[log in to unmask]] > Sent: ב ספטמבר 11 2000 23:07 > To: [log in to unmask] > Subject: [TN] copper sulfide > > Does anyone have knowledge on what the effects of sulfides in the > atmosphere > are on a copper surface about to be electroplated, and what can be done to > mitigate same effects? > > Timothy Reeves > QA Manager/Process Engineer > ECD Circuit Board Division > > ############################################################## > TechNet Mail List provided as a free service by IPC using LISTSERV 1.8d > ############################################################## > To subscribe/unsubscribe, send a message to [log in to unmask] with > following text in > the body: > To subscribe: SUBSCRIBE TECHNET <your full name> > To unsubscribe: SIGNOFF TECHNET > ############################################################## > Please visit IPC web site (http://www.ipc.org/html/forum.htm) for > additional > information. > If you need assistance - contact Keach Sasamori at [log in to unmask] or > 847-509-9700 ext.5315 > ############################################################## ############################################################## TechNet Mail List provided as a free service by IPC using LISTSERV 1.8d ############################################################## To subscribe/unsubscribe, send a message to [log in to unmask] with following text in the body: To subscribe: SUBSCRIBE TECHNET <your full name> To unsubscribe: SIGNOFF TECHNET ############################################################## Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional information. If you need assistance - contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 ##############################################################