Etchable glass cold shield for background limited detectors

Details Etchable glass cold shield for background limited detectors Etchable glass cold shield for background limited detectors

1981-03-27

1984-02-14

Howell, Janice A.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250349, 250352, G01J 100

Patent

active

044319185

ABSTRACT:
A shield for limiting the radiation received by individual detectors within a detector array of an electromagnetic radiation detection system to the radiation provided to the detectors by the optics of the system. The shield comprises a member of etchable glass having apertures formed therein, the position of the aperture edges being in predetermined relation to the edges of the detectors for shielding the detectors from electromagnetic radiation generated outside the field of view of the optics.

REFERENCES:
patent: 3397314 (1968-08-01), Weiner
patent: 3633031 (1972-01-01), Pesce et al.
patent: 3963926 (1976-06-01), Borrello
patent: 4253022 (1981-02-01), Allen et al.

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