Hi, we have worked a lot with TMAH, but we do not know about a reaction of TMAH with Au. I. Tanczos ----- Original Message ----- From:To: ; ; ; ; ; ; ; ; Cc: ; Sent: Thursday, February 08, 2001 10:53 AM Subject: From HKUST > > Hi, this is xu wehua,from Hong Kong Science and > Technology. > > WOuld you please tell me if TMAH and Au have a > reaction?? If have a reaction,what is the > reaction rate?? > > Does any one know if gold is etched by TMAH ?? > > Regards, > > Xu Weihua > >