> Is anyone aware of data or studies on whether or not, gold and OSP surface > finishes are more susceptible to surface oils than HASL? We wear cotton > gloves at incoming inspection, and on several smt lines, where we inspect > and run non-HASL boards. There is a concern about fingerprint oils > degrading the finish on an OSP board, which may sit several weeks in > storage, and the concern with the immersion gold boards is that the thin > finish is porous, and skin oils might cause nickel oxidation. Is anyone > else doing this, or are we overly concerned about the vulnerability of > these finishes to skin oils? > > Bruce Tostevin > Benchmark Electronics > Hudson, New Hampshire > ############################################################## TechNet Mail List provided as a free service by IPC using LISTSERV 1.8c ############################################################## 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 Gayatri Sardeshpande at [log in to unmask] or 847-509-9700 ext.5365 ##############################################################