You might want to look at the Accel cleaner. It does an excellent job under BGA's. It spins the boards in the cleaner. Paul Stolar -----Original Message----- From: Graham Naisbitt [mailto:[log in to unmask]] Sent: Friday, November 22, 2002 11:17 AM To: [log in to unmask] Subject: Re: [TN] No Clean vs. Water Soluble for MicroBGA' On 22/11/02 12:58 pm, "Morse, Carrie" <[log in to unmask]> wrote: > Is anyone out there using Water Soluble paste when mounting MicroBGA's? > > I am under the impression that even the best conveyorized cleaning equipment > cannot clean sufficiently under a MicroBGA, but, I'd like to get other's > opinions. > > Thanks, > Carrie > > Carrie, In our experience, you will require a saponifier to reduce the surface tension of the water and facilitate not only penetration under the components, but removal of the "contaminant" from the same area. -- Regards, Graham Naisbitt [log in to unmask] Mobile: +44 (0)79 6858 2121 Concoat Limited - Engineering Electronics Reliability Web: www.concoat.co.uk AND www.concoatsystems.com NOTE: NEW ADDRESS :NOTE Sales: Millfield House, Fleet Road Fleet, Hampshire GU51 3QF UK Phone: +44 (0)1252 813706 Fax: +44 (0)1252 813709 Manufacturing and Head Office: Alasan House, Albany Park Camberley, Surrey GU16 7PH UK Phone: +44 (0)1276 691100 Fax: +44 (0)1276 691227 --------------------------------------------------- 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 -----------------------------------------------------