Dave/ Rockwell Collins Can you elaborate more on the response you gave concerning "SMT components on both sides of PCB" << some assemblies are hard to do both sides due to design issues (# of layers)>> What is the rules you use as far the # of layer is concerned? Thank you Dave Alex Basauri [log in to unmask] Trimble Navigation LTD The GPS Solution!! 645 N. Mary Avenue B6 Sunnyvale, CA 94086 (408) 481-8751 office (408) 815-0456 Pager (408) 481-6077 Fx *************************************************************************** * TechNet mail list is provided as a service by IPC using SmartList v3.05 * *************************************************************************** * To unsubscribe from this list at any time, send a message to: * * [log in to unmask] with <subject: unsubscribe> and no text. * *************************************************************************** * If you are having a problem with the IPC TechNet forum please contact * * Dmitriy Sklyar at 847-509-9700 ext. 311 or email at [log in to unmask] * ***************************************************************************