Try IPC-7525; with IPC-SM-782 land patterns the ratios in the stencil design guide will generally give good results. Bridging and insufficient . . . that hurts. Your mileage may vary. > -----Original Message----- > From: TechNet [mailto:[log in to unmask]] On Behalf Of My Nguyen > Sent: Saturday, August 24, 2002 8:08 PM > To: [log in to unmask] > Subject: [TN] Stencil (Open) Aperture for No Clean and W.S. > > > Ladies and Gentlemen: > > Do you have any standard, or rule about the Stencil > Aperture for No Clean and W.S for SMT product? > > Is there any site that contain those information? > > We have had problem with solder balls (No-Clean), > in-sufficient solder (for both No Clean and W.S), and > Bridging which we have found out that the root was the > imperfect design of the stencil aperture. > > Your help is greatly appreciated! > > Stacy > > > > __________________________________________________ > Do You Yahoo!? > Yahoo! Finance - Get real-time stock quotes http://finance.yahoo.com > > -------------------------------------------------------------- > ------------------- > Technet Mail List provided as a free service by IPC using > LISTSERV 1.8e 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 or > (re-start) delivery of Technet send e-mail to > [log in to unmask]: SET Technet NOMAIL or (MAIL) 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 1.8e 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 or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) 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 ---------------------------------------------------------------------------------