Thanks to all for your suggestions, off to find;

Solder Nu

fluoboric acid

A new process.........

Which leads to a new question, what is a good process for tinning small quantities of mechanically etched prototype PCB's and chem. etched brass parts?

Keep in mind we are a electronics manufacturing/r&d house with limited chemical processing resources.

Thanks,

Dan

--------------------------------------------------------------------------------- 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 ---------------------------------------------------------------------------------