The IPC Provides Test Boards Which have "SIR" type patterns in them. These are the IPC-B-25/28 series PWB's. Another supplier of a "SIR" type PWB for Surface Mount Applications is the Topline (310)433-7000 "Saber" Board Array. I also have developed an artwork pattern in Gerber Format for the Bellcore SIR pattern, which I would be glad to provide you. We give the pattern away to customers who use us for SIR testing. Contact me if you are interesed. Bob Neves Director of Technical Services MICROTEK LABORATORIES (800) 878-6601 [log in to unmask]