Tilted array with parallel cold shield

Details Tilted array with parallel cold shield Tilted array with parallel cold shield

1987-12-01

1989-03-21

Fields, Carolyn E.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250349, G01J 506

Patent

active

048146200

ABSTRACT:
A cold shield for an array of detectors of predetermined shape comprising a first cover of radiation blocking material formed with parallel rows of apertures and lying a first distance away from the detectors and a second cover of radiation blocking material formed with a plurality of apertures of generally the predetermined shape therethrough and lying a second distance, smaller than the first distance, away from the detectors so as to minimize background radiation from reaching the detectors while permitting desired radiation approaching the array from any of a plurality of angles to reach the detectors.

REFERENCES:
patent: 4446372 (1984-05-01), Gurnee
patent: 4609820 (1986-09-01), Miyamoto
patent: 4675525 (1987-06-01), Amingual et al.

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