Mike, Thank you for you response to my inquiry. The answers to your questions are listed below. 1.) After electroless / prior to tin 2.) Yes we do a backlight test and the Cu looks good. 3.) Yes, 70u". 4.) Both multilayers & double sided. 5.) Various times. 6.) No 7.) Resin and glass 8.) .040 + / vias are OK. If you require more information, please let me know. Sincerely, Myke Dodson ################################################################ 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 ################################################################