Don In my opinion, you will probably need to change your techniques to meet such tight specs, although not necessarily. My ex-company may have a solution for you, but we need to know a lot more of the nature of the assembly, the exact paste spec you are using, etc. Please e-mail me privately if you are interested. Best regards Brian "Steffen, Don E" wrote: > > Technetters; > > Is there anyone out there that has some experience with cleaning > printed wiring boards after paste. We are using a No Clean Paste on > our PWB's. The specification for Ionic Contamination is < 3.00 ug > NaCl/in2. > > Donn E Steffen > Senior Quality Engineev > VDO Control Systems > Ph# 219-920-6052 > Fax# 219-925-8710 > Cell# 219-417-2926 > Pager# 219-430-2826 > > ----------------------------------------------------------- > This Mail has been checked for Viruses > Attention: Encrypted Mails can NOT be checked ! > > *** > > Diese Mail wurde auf Viren ueberprueft > Hinweis: Verschluesselte Mails koennen NICHT geprueft werden! > ------------------------------------------------------------ --------------------------------------------------------------------------------- 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 the following message: SET Technet NOMAIL Search previous postings at: www.ipc.org > On-Line Resources & Databases > E-mail 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 ---------------------------------------------------------------------------------