Afri Singh wrote: >Hello technetters. I have a board which requires both hard and soft gold. >Hard under the key-pads and soft on the rest which is mainly surface mount. >We have been masking one to do the other. is it possible to do hard gold >on the entire board and then mask the selective areas and do the soft on >top of the hard --or is there a better way ?? >thanking you We do it in this way: - soft gold (electroless Ni/Au) over the entire board - mask the board - hard gold - remove mask Simon ################################################################ TechNet E-Mail Forum 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://jefry.ipc.org/forum.htm) for additional information. For the technical support contact Dmitriy Sklyar at [log in to unmask] or 847-509-9700 ext.311 ################################################################