Question

What is the ratio of vertical etch rate to horizontal etch rate

Answer 1

The etching process that involves using liquid chemicals or etchants to take off the substrate material is called wet etching. In the plasma etching process, also known as dry etching, plasmas or etchant gases are used to remove the substrate material. ... On the other hand, wet etching is only a chemical process.

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cRAZY pRINCE

Answer 2

wet etching is the answer...