Hi Technetter I face problem on the CEM-3 material where it shrink as much as 0.015 after the HASL process. What is the maximum shrinkage can happen in CEM-3 material? Can this shrinkage problem be minimized? Will it help by baking the panel before drilling process? K.K ############################################################## TechNet Mail List provided as a free service by IPC using LISTSERV 1.8c ############################################################## To subscribe/unsubscribe, send a message to [log in to unmask] with following text in the body: To subscribe: SUBSCRIBE TECHNET <your full name> To unsubscribe: SIGNOFF TECHNET ############################################################## Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional information. For the technical support contact Dmitriy Sklyar at [log in to unmask] or 847-509-9700 ext.311 ##############################################################