Phase change switches and circuits coupling to...

Details Phase change switches and circuits coupling to... Phase change switches and circuits coupling to...

2005-06-07

2005-06-07

Donovan, Lincoln (Department: 2832)

Active solid-state devices (e.g., transistors, solid-state diode

Bulk effect device

Bulk effect switching in amorphous material

C438S128000

Reexamination Certificate

active

06903362

ABSTRACT:
A switch is used in circuits which interact with electromagnetic radiation. The switch includes a substrate for supporting components of the switch. A first conductive element on the substrate is provided for connecting to a first component of the circuit, and a second conductive element on the substrate serves to connect to a second component of the circuit. A switch element is made up of a switching material on the substrate and connects the first conductive element to the second conductive element. The switching material is a compound which exhibits a bi-stable phase behavior and is switchable between a first impedance state value and a second impedance state value upon the application of energy thereto. A circuit consisting of a plurality of conductive elements includes the switch for varying current flow which has been induced by the application of electromagnetic radiation.

REFERENCES:
patent: 3530441 (1970-09-01), Ovshinsky
patent: 3918032 (1975-11-01), Nicolaides
patent: 4092060 (1978-05-01), Nunoshita et al.
patent: 5296716 (1994-03-01), Ovshinsky et al.
patent: 6391688 (2002-05-01), Gonzalez et al.
patent: 2003/0072195 (2003-04-01), Mikolajick

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