Electrical contact to the common electrode of an infrared detect

Details Electrical contact to the common electrode of an infrared detect Electrical contact to the common electrode of an infrared detect

1995-06-07

1996-10-15

Fields, Carolyn E.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250349, 250332, G01J 502

Patent

active

055656820

ABSTRACT:
A system for infrared sensing has thermally sensitive picture elements within a substrate; bias contact areas within the substrate and around a periphery of the thermally sensitive picture elements; a common electrode on a front side of the thermally sensitive picture elements and the bias contact areas; an optical coating on top of the common electrode; a first electrical contact metal on a backside of the thermally sensitive picture elements; and a second electrical contact metal connected to the bias contact areas on a backside of the bias contact areas and electrically connected to the common electrode. The bias contact areas may include a conductive substrate area. In addition, the device may be connected to an integrated circuit by an ohmic connection to the first and/or the second electrical contact metal.

REFERENCES:
patent: 4806762 (1989-02-01), Turnbull
patent: 4927771 (1990-05-01), Ferrett
patent: 5030827 (1991-07-01), Powell

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