Probably the best flexible solder mask I have seen comes from Taiyo America and is called PSR-9000. It works well on flexible circuits and can withstand dynamic flexing without cracking; For more information, contact: Dave Rund Taiyo America Carson City, NV Phone: 702-885-9959 Regards, Larry Fisher Dexter Electronic Materials [log in to unmask] *************************************************************************** * 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] * ***************************************************************************