There are some guidelines in the fine Technet archives. Dave Fish ----- Original Message ----- From: "Dave Snyder" <[log in to unmask]> To: <[log in to unmask]> Sent: Friday, June 07, 2002 2:48 PM Subject: [TN] Glue or Not to Glue? > When running SMT boards thru an IR reflow oven are there any guidelines, IPC > documents, gut feelings that tell whether gluing is necessary for parts that > would be on the bottom side during the top side reflow? I have at least one > 160 pin TQFP that would be on the bottom. Is there a formula like mass > versus total pin area? > > Thanks in advance for the advice. > > Dave Snyder > HM Electronics, Inc. > > -------------------------------------------------------------------------- ------- > 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 ---------------------------------------------------------------------------------