Infrared radiation detector

Details Infrared radiation detector Infrared radiation detector

1982-07-06

1984-12-18

Smith, Alfred E.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250349, 357 72, 357 75, G01J 100

Patent

active

044892381

ABSTRACT:
The detector has a pyroelectric element sandwiched between two electrodes which are transparent to the wavelength of radiation to be detected. The pyroelectric element is maintained in spaced relationship to the surface of a header by a pillar and by a lead of a microminiature package which is mounted on its back on the header surface. A second pyroelectric element can be similarly supported by another lead and another pillar. Electrical connections between the remaining leads and the posts of the header, and between the upper electrodes of the pyroelectric elements can be made with metal foil straps, thus eliminating the need for bonded wires.

REFERENCES:
patent: 3581092 (1971-05-01), Pearsall et al.
patent: 4367408 (1983-01-01), Imai et al.
patent: 4383174 (1983-05-01), Matsumura et al.

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