this is an email that i archived that might help with some of the recent bga questions. Received: from simon.ipc.org ([168.113.24.64]) by bb.iu.net (8.6.12/8.6.12) with ESMTP id FAA07303; Thu, 16 Jan 1997 05:05:00 -0500 Received: from ipc.org by simon.ipc.org via SMTP (940816.SGI.8.6.9/940406.SGI) id DAA10623; Thu, 16 Jan 1997 03:50:04 -0800 Resent-Date: Thu, 16 Jan 1997 03:50:04 -0800 Received: by ipc.org (Smail3.1.28.1 #2) id m0vkmMc-0000YFC; Thu, 16 Jan 97 01:35 CST Resent-Sender: [log in to unmask] Old-Return-Path: <[log in to unmask]> From: [log in to unmask] Date: Thu, 16 Jan 1997 00:50:09 -0500 (EST) Message-ID: <[log in to unmask]> To: [log in to unmask] Subject: Re: Design Standards for BGA Resent-Message-ID: <"ljOF62.0.d8D.BfTto"@ipc> Resent-From: [log in to unmask] X-Mailing-List: <[log in to unmask]> archive/latest/9286 X-Loop: [log in to unmask] Precedence: list Resent-Sender: [log in to unmask] Ian: Regarding your JEDEC inquiry, JEDEC has issued several BGA-reated specs. These include: MO-149 Tape BGA / square MO-151 PBGA / square MO-156 Ceramic BGA / square MO-157 Ceramic BGA / rectangular MO-158 Ceramic column Grid Array / square MO-159 Ceramic Column Grid Array / rectangular MO-163 PBGA / rectangular Are there others, someone???? Also, JEDEC procedure SPP-010 specifies use of an alphanumeric system for ID of BGA balls/columns (very similar to Pin Grid IDs.) Hope this is of help to you. Best Regards, Doug Peck, AEIC DPECK [log in to unmask] *************************************************************************** * TechNet mail list is provided as a service by IPC using SmartList v3.05 * *************************************************************************** * To unsubscribe from this list at any time, send a message to: * * [log in to unmask] with <subject: unsubscribe> and no text. * *************************************************************************** * If you are having a problem with the IPC TechNet forum please contact * * Dmitriy Sklyar at 847-509-9700 ext. 311 or email at [log in to unmask] * *************************************************************************** *************************************************************************** * TechNet mail list is provided as a service by IPC using SmartList v3.05 * *************************************************************************** * To unsubscribe from this list at any time, send a message to: * * [log in to unmask] with <subject: unsubscribe> and no text. * *************************************************************************** * If you are having a problem with the IPC TechNet forum please contact * * Dmitriy Sklyar at 847-509-9700 ext. 311 or email at [log in to unmask] * ***************************************************************************