Active solid-state devices (e.g. – transistors – solid-state diode – Thin active physical layer which is – Heterojunction
Reexamination Certificate
2005-05-10
2005-05-10
Wille, Douglas (Department: 2814)
Active solid-state devices (e.g., transistors, solid-state diode
Thin active physical layer which is
Heterojunction
C438S101000
Reexamination Certificate
active
06891186
ABSTRACT:
This invention provides a method for constructing bridge including fine wires or point contacts producing a quanitized inter-electrode conductance, and provides a method for easily controlling the conductance of this bridge. Further, it aims to provide an electronic element using conductance control due to the bridge, fine wire or point contact formed between the electrodes. These objects are accomplied with an electronic element comprising a first electrode comprising a mixed electroconducting material having ion conductance and electron conductance, and a second electrode comprising an electroconducting substance, wherein the inter-electric conductance can be controlled. In another aspect, this invention is an electronic element formed by a bridge between electrodes, by applying a voltage between the electrodes so that the second electrode is negative with respect to the first electrode and movable ions migrate from the first electrode to the second electrode. In a third aspect, this invention is a method of controlling inter-electrode conductance comprising at least one of applying a voltage between the electrodes of the above electronic element so that the second electrode is negative with respect to the first electrode so that a bridge is formed between the electrodes due to the migration of movable ions from the first electrode to the second electrode, and reversing the inter-electrode polarity so that the bridge is thinned or disconnected.
REFERENCES:
patent: 4996570 (1991-02-01), Van Houten et al.
patent: 5751156 (1998-05-01), Muller et al.
Aono Masakazu
Hasegawa Tsuyoshi
Nakayama Tomonobu
Terabe Kazuya
Cohn PLLC Gary C.
Japan Science and Technology Corporation
Wille Douglas
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