Jack, Are you saying stacking of components are acceptable? Please elaborate your comments. re, Ken Patel Jack Crawford wrote: > The official release of 7721 Change 2 can be downloaded FREE from the IPC Website http://www.ipc.org and select the link to "On-Line Resources . . ." and on the new page to "IPC Documents for Download". > > jack > > >>> [log in to unmask] 09/27/01 01:03PM >>> > Tim, > > We're often asked to stack chip components and perform other odd > modifications. We have also added a new procedure to IPC 7721 called > Component Modifications and Additions. You can preview our version of this > procedure, including images of stacked components, on our web site at: > http://www.circuittechctr.com/guides/6-3.htm > > Jeff Ferry, CEO > > Circuit Technology Center, Inc. > > Chairman > > IPC Repairability Committee > > On Wed, 26 Sep 2001 09:10:38 -0500, Tim Devaul <[log in to unmask]> > wrote: > > >Good morning, > > > > I am in the middle of a slight disagreement between a couple of our > company's organizations. It is over stacking > >SMD chips, specifically 0603s. In a temporary rework fix engineering wants > to stack and solder one chip directly on top of the other. Does anyone have > any experience positive or negative concerning this practice? > > > >Tim DeVaul > >Quality Assurance Training and Audit Supervisor > >Philips Broadband Networks, Inc. > >100 Fairgrounds Dr. > >Manlius, New York 13104 > >Tel: (315) 682-9105 Ext. 2403 > >Fax: (315)682-9006 > >Email: [log in to unmask] > > > >--------------------------------------------------------------------------- > ------ > >Technet 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 Technet > >To temporarily halt delivery of Technet send the following message: SET > Technet 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 > >--------------------------------------------------------------------------- > ------ > > --------------------------------------------------------------------------------- > Technet 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 Technet > To temporarily halt delivery of Technet send the following message: SET Technet 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 > --------------------------------------------------------------------------------- > > --------------------------------------------------------------------------------- > Technet 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 Technet > To temporarily halt delivery of Technet send the following message: SET Technet 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 > --------------------------------------------------------------------------------- --------------------------------------------------------------------------------- Technet 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 Technet To temporarily halt delivery of Technet send the following message: SET Technet 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 ---------------------------------------------------------------------------------