I think it is save to use conventional vias Until 0.5mm pitch of BGA.(As i read in a pcb magazine) > ---------- > From: Keith Short[SMTP:[log in to unmask]] > Reply To: DesignerCouncil E-Mail Forum.;Keith Short > Sent: Wednesday, January 10, 2001 10:08 AM > To: [log in to unmask] > Subject: [DC] Routing suggestions on 0.8mm uBGA > > Hi All, > We are about to use a 0.8mm pitch uBGA on our latest design, and > as we only > have the one device of this type on the board, would like to avoid using > uVias. > Has anyone routed this type of device using conventional vias. > > We use a 0.45mm pad on the uBGA. > > Any help and/or suggestions would be appreciated. > > Thanks > Keith > > > ------------------------------------------------------------------------ > ----- > Keith Short email: [log in to unmask] > Telecom Modus Ltd. Tel: +44 1372 804811 > Cleeve Road Fax : +44 1372 804804 > Leatherhead Surrey KT22 7SA UK > ------------------------------------------------------------------------ > ----- > > THIS MESSAGE IS INTENDED ONLY FOR THE USE OF THE INDIVIDUAL TO WHOM > IT IS ADDRESSED AND CONTAINS INFORMATION THAT IS PRIVATE AND/OR > PROPRIETARY. > > If the reader of this message is not the intended recipient, or the > employee or agent responsible for delivering the message to the intended > recipient, you are hereby notified that any dissemination, distribution > or > copying of this communication is strictly prohibited. > > If you have received this communication in error, please notify us > immediately. > Thank you! > > Telecom MODUS Ltd. > ------------------------------------------------------------------------ > ------ > Company Registration No. 3493954 > Telephone Number +44 (0) 1372 804880 > Fax Number +44 (0) 1372 804804 > > -------------------------------------------------------------------------- > ------- > DesignerCouncil Mail List provided as a free service by IPC using LISTSERV > 1.8d > To unsubscribe, send a message to [log in to unmask] with following text in > the BODY (NOT the subject field): SIGNOFF DesignerCouncil. > To set a vacation stop for delivery of DesignerCouncil send: SET > DesignerCouncil NOMAIL > Search previous postings at: www.ipc.org > On-Line Resources & Databases > > E-mail Archives > Please visit IPC web site (http://www.ipc.org/html/forum.htm) for > additional > information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 > ext.5315 > -------------------------------------------------------------------------- > ------- > --------------------------------------------------------------------------------- DesignerCouncil Mail List provided as a free service by IPC using LISTSERV 1.8d To unsubscribe, send a message to [log in to unmask] with following text in the BODY (NOT the subject field): SIGNOFF DesignerCouncil. To set a vacation stop for delivery of DesignerCouncil send: SET DesignerCouncil NOMAIL Search previous postings at: www.ipc.org > On-Line Resources & Databases > E-mail Archives Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 ---------------------------------------------------------------------------------