Also, depending on the paste, an adjusted profile can go a long way to eliminate, reduce voiding. Chris Indium Corp. -----Original Message----- From: TechNet [mailto:[log in to unmask]]On Behalf Of Guy Ramsey Sent: Thursday, April 11, 2002 10:18 AM To: [log in to unmask] Subject: Re: [TN] Voids on BGA Some pastes are more likely to produce voids than other pastes. Talk to your supplier. They may know something. We use many different brands and types of paste because of our place in the industry. We saw a sudden increase in voids, discussed it with the paste supplier, they suggested we change paste type, we did and the problem went away. > -----Original Message----- > From: TechNet [mailto:[log in to unmask]]On Behalf Of Antonio Souza > Sent: Wednesday, April 10, 2002 8:25 AM > To: [log in to unmask] > Subject: [TN] Voids on BGA > > > Does anybody know the main causes for Voids on BGA solder joints? > > Thanks > > Antonio > Brazil > > ------------------------------------------------------------------ > --------------- > 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 e-mail to > [log in to unmask]: SET Technet NOMAIL > To receive ONE mailing per day of all the posts: send e-mail to > [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: http://listserv.ipc.org/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 e-mail to [log in to unmask]: SET Technet NOMAIL To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest Search the archives of previous posts at: http://listserv.ipc.org/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 e-mail to [log in to unmask]: SET Technet NOMAIL To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest Search the archives of previous posts at: http://listserv.ipc.org/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 ---------------------------------------------------------------------------------