Hi Matt, Here a two book suggestions for you on PWB materials and processing: 1. Printed Circuit Handbook, 4th edition, Coombs-editor, published by McGraw Hill 2. Electronic Packaging and Interconnection Handbook, Charles Harper, editor, published by McGraw Hill. You can access the McGraw Hill web page for more information... www.mcgraw-hill/books.com Regards Lyle Wallig ################################################################ 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 ################################################################