Physics, asked by rohitrao9703, 11 months ago

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

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Answered by Anonymous

the etch rates of other materials that will be exposed to the etch, such as masking films and underlying layers, enables an etch. process to be chosen for good selectivity (high ratio of etch. rate of the target material to etch rate of the other material)—if. one exists.

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cRAZY pRINCE

Answered by Anonymous

heya...

The ratio is high ...

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