Active solid-state devices (e.g. – transistors – solid-state diode – Thin active physical layer which is
Reexamination Certificate
2011-02-22
2011-02-22
Menz, Douglas M (Department: 2891)
Active solid-state devices (e.g., transistors, solid-state diode
Thin active physical layer which is
C257S014000
Reexamination Certificate
active
07893422
ABSTRACT:
A quantum interference transistor comprising a thin metal film having a protrusion and a thin insulating layer between the metal film and protrusion. A potential barrier is formed in the region beneath the protrusion as a result of quantum interference caused by the geometry of the film and protrusion. A voltage applied between the electrically isolated protrusion (“island”) and the thin film leads to a change in the electron wave function of the island which in turn leads to a change in the Fermi level of the metal film in the entire region beneath the protrusion. Consequently, a potential barrier may or may not exist depending on the applied voltage, thus providing the present invention with the transistor-like property of switching between open and closed states.
REFERENCES:
patent: 4888622 (1989-12-01), Ishibashi et al.
patent: 5497015 (1996-03-01), Ishibashi et al.
patent: 5682041 (1997-10-01), Kawakubo et al.
patent: 7166786 (2007-01-01), Tavkhelidze et al.
Borealis Technical Limited
Menz Douglas M
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