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Discuss etching methods for photoresist removal.
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written 7.1 years ago by
teamques10
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Etching is a process by which patterns are transferred by selective removal of unmasked portion of a layer.
There are two types of etching:
1. Wet etching –
In this process the removal of unmasked layers is done by selective liquid etchant.
It is a purely chemical process.
The batch …
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