Optically addressed thermal imaging device

Details Optically addressed thermal imaging device Optically addressed thermal imaging device

1990-10-11

1994-04-26

Buczinski, Stephen C.

Radiant energy

Infrared-to-visible imaging

Including means for scanning field of view

2503383, 357 30, 365112, 348165, 257431, G02B 2610, G01J 500, H01L 2714

Patent

active

053069129

ABSTRACT:
A thermal imaging device includes detector pixels A, B, C provided by a pyroelectric layer 1 arranged between electrode structures 3 and 4. A photoconductive layer 7 is provided between the electrode structure 5 and a further electrode structure 9. The device also includes an illumination source 11 for illuminating the photoconductive layer 7 for enabling pyroelectric charge developed by the detector pixels A, B, C to be optically addressed via the electrode structure 9. Optical addressing of the detector pixels obviates the need for solid state switching connections to each pixel, providing an imaging device readily capable of large scale fabrication.

REFERENCES:
patent: 4142206 (1979-02-01), Ennulat
patent: 4250567 (1981-02-01), Brody
patent: 4782227 (1988-11-01), Micheron et al.

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