Patent
1989-08-03
1992-07-14
Hille, Rolf
357 4, 357 16, H01L 2980
Patent
active
051307669
ABSTRACT:
A quantum interference type semiconductor device is composed of at least one bifurcated branch conductive channel with a heterojunction in a semiconductor with a band discontinuity that produced a potential well between two semiconductor regions into which a carrier is injected and from which a carrier is drained, at least one gate electrode is arranged at the side of the one bifurcated branch conduction channel, and a kind of filter using a resonance tunneling barrier arranged before or upstream of the semiconductor region into which a carrier is injected. The filter passes a carrier having a certain energy legvel to the channel whereby the level of the carrier traveling in the channel becomes equal to realize a good quantum interference effect.
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Arimoto Hiroshi
Muto Shun-ichi
Okada Makoto
Sasa Shigehiko
Yokoyama Naoki
Fujitsu Limited
Hille Rolf
Tran Minh Loan
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