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Dry etching method
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Patent number 5,362,361
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Issue date Nov 8, 1994
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Sony Corporation
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Tetsuya Tatsumi
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H01 - BASIC ELECTRIC ELEMENTS
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Dry etching method
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Patent number 5,354,421
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Issue date Oct 11, 1994
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Sony Corporation
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Tetsuya Tatsumi
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H01 - BASIC ELECTRIC ELEMENTS
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Dry etching method
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Patent number 5,266,154
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Issue date Nov 30, 1993
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Sony Corporation
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Tetsuya Tatsumi
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H01 - BASIC ELECTRIC ELEMENTS
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Dry etching method
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Patent number 5,180,464
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Issue date Jan 19, 1993
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Sony Corporation
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Tetsuya Tatsumi
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H01 - BASIC ELECTRIC ELEMENTS