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Chemical Etching of Tantalum Sheet

I am trying to chemically wet-etch tantalum sheet. What is a good method for doing this?

Jason White
- Atlanta, GA, USA
2002

Dear Jason,

Tantalum is soluble in hydrofluoric acid (HF). You can use a wide range of concentrations of HF. Be careful: HF is a very dangerous chemical.

Kind regards,

Sjamp van Esch
- Eindhoven, The Netherlands
2002

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