Etching agents that are used for 80%Ni-20%Cr, 86%WC-10%CO-4%Cr

Letter 41009

Etching agents that are used for 80%Ni-20%Cr, 86%WC-10%CO-4%Cr

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What are the etching agents that are used for 80%Ni-20%Cr,86%WC-10%CO-4%Cr to find their microstructure.

Rambabu Arji
- Roorkee, India

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Nichrome will etch is a solution containing 15.5 g of ammonium cerium nitrate, 100 ml of water and 6 ml of nitric acid.

Dr. Gary Callon
University of Dundee
Arbroath, Scotland

April 21, 2009

I wish to remove a thin nichrome layer which has been evaporated onto SU8 exposed.
I am looking for a chemical formulation for etching nichrome.

Thank you,

Kamonrat Boonprakong
Student - Thailand

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