Franlin, No tenting is not the same as plugging,it's better when done properly. IPC has a Plugged Via Performance Task Group where much effort has been done defining and classifying the differences. Dewey > -----Original Message----- > From: Franklin D Asbell [SMTP:[log in to unmask]] > Sent: Friday, October 24, 2003 8:05 AM > To: [log in to unmask] > Subject: Re: [TN] Cleaning of via holes under components > > Tenting or plugging? Tenting vias is not the same as plugging, with > tenting > the risk of entrapment is higher then with plugging, with properly > performed > double-side plugging (talking strictly solder mask plugging) the risk > drops > tremendously...to ensure absolutely no entrapment (absolute being 99.8% > chance nothing becomes entrapped) then perhaps epoxy plugged vias... > > Franklin > > --------------------------------------------------- > Technet Mail List provided as a 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/contentpage.asp?Pageid=4.3.16 > for additional information, or contact Keach Sasamori at [log in to unmask] or > 847-509-9700 ext.5315 > ----------------------------------------------------- --------------------------------------------------- Technet Mail List provided as a 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/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 -----------------------------------------------------