Frank, Don't do it! FR2 and SMT are not a good mix. I only use FR2 on small thru hole PCBs. I fear you will have serious yeild problems that would cost considerably more than FR4 will. FR2 will warp considerably and cause component level problems after reflow. FNKEC *************************************************************************** * 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. * ***************************************************************************