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topic 7790

Etching Process for Nickel, Silver, and Titanium


(2001)

Hi,

I would greatly appreciate if anyone could give me the process for Ni, Ag and Ti etching. I am looking for names of chemicals that should be used, their ratio and the time required (i.e., the etch rate).

Thanks.

RITWIK MISHRA
MCASP - Mississippi State, Mississippi, USA


(2001)

Ritwik

I am asking the same questions - I have had limited success using a pre mixed solution of nitric/acetic/H20 purchased from Arch, also I have tried a 50/50 solution of Nitric / H2O still with limited success. Like you I have no etch rates other than that Arch tells me pre-mixed solution etches at 3000A per second at room temp which I cannot repeat ...

Have you had any help from tech support ?

Thanks

Barbara Carter
API - Camarillo, California, USA


(2004)

I'm not sure but I think you can find your answer under knife etching.

Marcus Vardaman
- Tulsa, Oklahoma


(2004)

Practical Guide to Etching ...

Hopefully so, Marcus. Thanks! Unfortunately, Ritwik's and Barbara's questions don't tell us whether they are trying to etch specimens to reveal crystal structure for metallography, or to chemically engrave patterns on parts, or to build microelectronic devices, or to produce a matte finish on sheets to reduce fingerprinting.

I note this just to remind anyone who may have further questions to please put them in context so they are more answerable.

Ted Mooney, finishing.com Teds signature
Ted Mooney, P.E. RET
finishing.com
Pine Beach, New Jersey



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