Look for an SMTA paper "FLEXURAL STRENGTH OF BGA SOLDER JOINTS WITH ENIG SUBSTRATE FINISH USING 4-POINT BEND TEST" SMTA Pan Pacific Microelectronics Symposium, Kauai, HI, Jan. 25 – 27, 2005 At 07:03 AM 5/8/2008, Dan Skweres wrote: >Good day all! >I have received an inquiry from a customer >regarding deflection data. They want to know if >there's any data they can input so they can >simulate if their BGAs will be ejected off their >PCBs in a high vibe environment. The PCB is a 14 >layer FR-4 .062 thick. Any guidance would be greatly appreciated. >Thanks, >Dan S. > >--------------------------------------------------- >Technet Mail List provided as a service by IPC using LISTSERV 15.0 >To unsubscribe, send a message to [log in to unmask] with following text in >the BODY (NOT the subject field): SIGNOFF Technet >To temporarily halt or (re-start) delivery of >Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) >To receive ONE mailing per day of all the posts: >send e-mail to [log in to unmask]: SET Technet Digest >Search the archives of previous posts at: http://listserv.ipc.org/archives >Please visit IPC web site >http://www.ipc.org/contentpage.asp?Pageid=4.3.16 >for additional information, or contact Keach >Sasamori at [log in to unmask] or 847-615-7100 ext.2815 >----------------------------------------------------- --------------------------------------------------- Technet Mail List provided as a service by IPC using LISTSERV 15.0 To unsubscribe, send a message to [log in to unmask] with following text in the BODY (NOT the subject field): SIGNOFF Technet To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest Search the archives of previous posts at: http://listserv.ipc.org/archives Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 -----------------------------------------------------