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Resonant tunneling transistor
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Patent number 4,849,799
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Issue date Jul 18, 1989
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American Telephone and Telegraph Company AT&T Bell Laboratories
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Federico Capasso
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B82 - NANO-TECHNOLOGY
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Heterojunction bipolar transistor
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Patent number 4,794,440
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Issue date Dec 27, 1988
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American Telephone and Telegraph Company, AT&T Bell Laboratories
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Federico Capasso
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H01 - BASIC ELECTRIC ELEMENTS
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Variable gap devices
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Patent number 4,590,507
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Issue date May 20, 1986
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AT&T Bell Laboratories
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Federico Capasso
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H01 - BASIC ELECTRIC ELEMENTS
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