Gold etchant composition and method

Details Gold etchant composition and method Gold etchant composition and method

C - Chemistry, Metallurgy

09

K

149/14, 149/21

C09K 13/00 (2006.01) C23F 1/00 (2006.01)

Patent

CA 1136971

ABSTRACT OF THE INVENTION A composition and method for etching gold, particularly gold layers on ceramic substrates, in which the gold is contacted at room temperature by an aqueous solution of alkali metal bromide and bromine. The composition is relatively safe and easy to handle and rapidly etches gold.

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