The best way that I can think of is to use microvia technology. Put a microvia in the BGA solderpad and move the "dogbone" to layer 2 where it won't be a problem. Steph ********************************************************* Stephan Meschter [log in to unmask] Lockheed Martin Control Systems Phone :(607)770-2332 600 Main Street, MD R52F FAX :(607)770-2056 Johnson City, NY 13790-1888 MARCALL: 8 * 255-2332 ********************************************************* > ---------- > From: [log in to unmask][SMTP:[log in to unmask]] > Reply To: TechNet E-Mail Forum.;[log in to unmask] > Sent: Thursday, August 13, 1998 5:49 PM > To: [log in to unmask] > Subject: [TN] BGA dogbone...Can we get rid of it? > > <<File: PIC27414.PCX>> > (Embedded image moved to file: PIC27414.PCX) > > From: Dennis J Fall@TFT on 08/13/98 04:49 PM > > > To: [log in to unmask] > cc: > Subject: BGA dogbone...Can we get rid of it? > > Is there a good way to plug vias so we can get rid of the dog bone pad? > > Dennis Fall P: 507-625-8445 x17 > > Engineer F: 507-625-3523 > > Thin Film Technology Corporation mailto:[log in to unmask] > > 1980 Commerce Drive http://www.thin-film.com > > North Mankato, MN 56003-1702 > ################################################################ 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 ################################################################ ################################################################ 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 ################################################################