Infra-red radiation detector

Details Infra-red radiation detector Infra-red radiation detector

1984-11-13

1986-10-07

Fields, Carolyn E.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250349, G01J 510

Patent

active

046161368

ABSTRACT:
A pyroelectric infrared radiation detector which is particularly suited to automated assembly comprises a pyroelectric detector element mounted in a housing having a window transparent to infrared radiation. Electrically conductive leads in a single-in-line configuration extend through a base portion of the housing for making external electrical connections to the detector. One lead has an extended portion within the housing. The extended portion provides a cantilever support to which the detector element is fastened. The leads may all be formed from portions of a unitary lead frame. A second differentially connected pyroelectric detector element may be fastened to another cantilever support formed by a portion of the same lead frame. The cantilever supports preferably extend from an insulating block which encapsulates an associated electrical component and which also provides support for the detector elements.

REFERENCES:
patent: 4441023 (1984-04-01), Doctor et al.
patent: 4489238 (1984-12-01), Baker
patent: 4556796 (1985-12-01), Renals
Rose, M. A. "Pyroelectric Infrared Detectors." Electronic Components and Applications, vol. 4, No. 3, pp. 142-149 (May 1982).

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