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Field effect transistor
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Patent number 4,743,951
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Issue date May 10, 1988
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International Business Machines Corporation
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Chin-An Chang
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H01 - BASIC ELECTRIC ELEMENTS
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Heterojunction transistor
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Patent number 4,395,722
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Issue date Jul 26, 1983
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The United States of America as represented by the Secretary of the Army
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Leo Esaki
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H01 - BASIC ELECTRIC ELEMENTS
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InAs-GaSb Tunnel diode
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Patent number 4,371,884
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Issue date Feb 1, 1983
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The United States of America as represented by the Secretary of the Army
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Leo Esaki
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H01 - BASIC ELECTRIC ELEMENTS
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Tunnel diode
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Patent number 4,198,644
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Issue date Apr 15, 1980
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The United States of America as represented by the Secretary of the Army
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Leo Esaki
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H01 - BASIC ELECTRIC ELEMENTS
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Semiconductor structure
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Patent number 4,137,542
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Issue date Jan 30, 1979
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International Business Machines Corporation
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Leroy L. Chang
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H01 - BASIC ELECTRIC ELEMENTS
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Semiconductor memory devices
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Patent number 4,103,312
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Issue date Jul 25, 1978
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International Business Machines Corporation
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Leroy Ligong Chang
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B82 - NANO-TECHNOLOGY