Dear Sir, Please answer my question, The purpose of SIR test : - for material qualification - process qualification 1 Is the procedure in these both purpose the same? 2. Is the test coupon & test condition of these the same? 3. What's the refernce for process qualification? Best Regards, Patranit. ################################################################ TechNet E-Mail Forum 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's web site (http://www.ipc.org) "On-Line Services" section for additional information. For technical support contact Hugo Scaramuzza at [log in to unmask] or 847-509-9700 ext.312 ################################################################