Alejandro, Please explain your definition of defect rate. Is it solder shorts, low volume solder, component misplacement, dead component, temperature cycles to failure etc? Thanks Ryan Grant Advanced Technology Engineer MCMS (208) 898-1145 [log in to unmask] > -----Original Message----- > From: Becerra Alejandro [SMTP:[log in to unmask]] > Sent: Friday, June 09, 2000 8:17 AM > To: [log in to unmask] > Subject: [TN] Failure Rate for Reflow Process > > Good morning Technet members, > > I have a question about failure rates for reflow process. > Can someone tell me if there is a benchmark failure rate for a QFP (20 mil > pitch). > It is soldered over a FR-4 board with HASL coating. The reflow ambient is > nitrogen. > > Thanks > > > Alejandro Becerra > Phone (915)841-8518, Fax (915)841-8401 > [log in to unmask] > > ############################################################## > 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. > If you need assistance - contact Keach Sasamori at [log in to unmask] or > 847-509-9700 ext.5315 > ############################################################## ############################################################## 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. If you need assistance - contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 ##############################################################