Graham The copper will let go off the laminate long before intermetalic shear . That is with properly designed pads , components, & process ( IPC strds, say ) >---------- >From: COLLINS, GRAHAM[SMTP:[log in to unmask]] >Sent: Wednesday, 4 February 1998 6:23 >To: [log in to unmask] >Subject: solder shear strength > >Technetters - I know someone has this information at their fingertips. I'm >in an argument with someone about a socket, and I have to prove that a >gorilla would have to stand on the part to shear the solder joints holding >the socket on the board (it's a PGA component). Can someone tell me the >shear strength of solder? I'm going to construct a very crude mathematical >model. > >As always, Thanks! > >regards, > >Graham Collins >Process Engineer, >Litton Systems Canada >(902) 873-2000 ext 215 > > ################################################################ 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 web site (http://jefry.ipc.org/forum.htm) for additional information. For the technical support contact Dmitriy Sklyar at [log in to unmask] or 847-509-9700 ext.311 ################################################################