The one thing that concerns me is your comment that you (an assembler) are experiencing the problem with more than one board fabricator. To me that indicates that the cause is the assembly process rather than having all fabricators exhibiting the same problem at the same time. Does the mask peel immediately after assembly or is it noted after cleaning Susan Mansilla Robisan Labs 317-353-6249 *************************************************************************** * 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] * ***************************************************************************