Electroless gold is used for wire bonding applications and only if specified by the designer. The process is to plate electroless nickle and immersion gold followed immediately by electroless gold. The immersion gold is self-limiting to less than 10 millionths but it lays down enough gold that you can build on it in the electroless bath. Let's try not to use confusing terms like strike gold or flash gold unless defined. > -----Original Message----- > From: Jack Olson [SMTP:[log in to unmask]] > Sent: Thursday, October 07, 1999 11:34 AM > To: [log in to unmask] > Subject: [TN] Flash Gold vs. ??? > > Do some manufacturers use the soft electroless gold (deep bath?) in place > of > immersion gold? Is there some place I could learn what the difference is? > None of my books address it, and I always thought flash gold was a > self-limiting process that wouldn't go over 10 mils, but now we are > hearing > it can be any thickness we want. True? > ############################################################## 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 ##############################################################