The gold is likely to be impervious. The substrate nickel, though, will be etched by nitric. If it is a pattern plate Ni/Au (Ni/Au etch resist) then don't put through nitric strip. Matt Byrne ______________________________ Reply Separator _________________________________ Subject: FAB: Nitric Acid Strip Author: [log in to unmask] at SMTPLINK-HADCO Date: 5/7/97 08:07 PM Address, Is hard/soft gold impervious to a Nitric Acid Strip, if so, how many passes are typically allowed (assuming a gold tab area)? John Gulley *************************************************************************** * TechNet mail list is provided as a service by IPC using SmartList v3.05 * *************************************************************************** * To subscribe/unsubscribe send a message <to: [log in to unmask]> * * with <subject: subscribe/unsubscribe> and no text in the body. * *************************************************************************** * If you are having a problem with the IPC TechNet forum please contact * * Dmitriy Sklyar at 847-509-9700 ext. 311 or email at [log in to unmask] * *************************************************************************** *************************************************************************** * TechNet mail list is provided as a service by IPC using SmartList v3.05 * *************************************************************************** * To subscribe/unsubscribe send a message <to: [log in to unmask]> * * with <subject: subscribe/unsubscribe> and no text in the body. * *************************************************************************** * If you are having a problem with the IPC TechNet forum please contact * * Dmitriy Sklyar at 847-509-9700 ext. 311 or email at [log in to unmask] * ***************************************************************************