Question

what is the meaning of etching in chemistry subject ?

Answer 1

Chemical etching is a sheet metal machining process that is used to manufacture complex components with high levels of accuracy. ... The areas of photo-resist which have not been printed are removed, exposing the metal, which is subsequently etched away.

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Answer 2

Etching is traditionally the process of using strong acid or mordant to cut into

the unprotected parts of a metal surface to create a design in intaglio

(incised) in the metal.

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