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last 30 patents
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Patent Grant
Apparatus for plasma or reactive ion etching and method of etching...
Patent number
5,304,278
Issue date
Apr 19, 1994
International Business Machines Corporation
Johann Bartha
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of etching substrates having a low thermal conductivity
Patent number
5,296,091
Issue date
Mar 22, 1994
International Business Machines Corporation
Johann Bartha
H01 - BASIC ELECTRIC ELEMENTS