It appears to me that you are off by one decimal point?? > ---------- > From: CSS International Corp.[SMTP:[log in to unmask]] > Sent: December 30, 1997 2:30 PM > To: [log in to unmask] > Subject: Re: [TN] BGA Coplanarity > > Dennis: > > Coplanarity requirement is 0.0006" for BGA. However, most of the > suppliers > would like the coplanarity specification to be 0.0008" and the users > would > like it to be 0.0004". > > This issue is still not resolved completely. > > Best Regards, > One Kyu Son > > > > At 06:03 PM 12/29/97 +0000, you wrote: > >I was wondering if there is an industry standard for coplanarity of > >solder spheres on a BGA package. Any insight will be greatly > >appreciated. > > > >-- > >Dennis Fall > >Development Engineer Assistant > >Thin Film Technology Corporation > >1980 Commerce Drive > >North Mankato, MN 56003-1702 > > > >P: 507-625-8445 x17 > >F: 507-625-3523 > >email: [log in to unmask] > >http://www.thin-film.com > > > >############################################################## > >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 > >############################################################## > > > > > CSS International Corp. > 460 Bergen Boulevard, Suite 209 > Palisades Park, NJ 07650 U.S.A. > Tel: 1-201-461-7205 > Fax: 1-201-461-6374 > E-mail: [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. > For the technical support contact Dmitriy Sklyar at [log in to unmask] or > 847-509-9700 ext.311 > ############################################################## > ############################################################## 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 ##############################################################