In a message dated 8.8.03 4:30:22 AM Pacific Daylight Time, [log in to unmask] writes:

What is the best etchant to use for small scale high density copper
nickel gold pattern plating line?

Not trying to be "a wisea...", but what you mean by "best" etchant? Suspect you may be limited to ammoniacal because of exposed Nickle on edges.

Rudy Sedlak
RD Chemical Company ---------------------------------------------------
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
-----------------------------------------------------