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RIE dry etching is a kind of anisotropic

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RIE dry etching is a kind of anisotropic etching technique unlike wet etching which is isotropic. It combines both sputtering and chemical reaction in patterning a wafer. The etching rate ranges from several Angstrom/sec to several tens of Angstrom/sec. It loyally transfers a mask pattern to a wafer with controlled etching profile (less under cut or over cut).

[ Last edited by bote on 2009-9-5 at 13:51 ]
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