Pyroelectric infra-red radiation detector

Details Pyroelectric infra-red radiation detector Pyroelectric infra-red radiation detector

G - Physics

08

B

340/155.2, 340/1

G08B 13/18 (2006.01) G01J 5/34 (2006.01)

Patent

CA 1216915

11 ABSTRACT: A low-microphonic infra-red radiation detector, for example, for an intruder alarm, has a pyroeletric element (1) comprising a pyroelectric body sandwiched between two electrodes (3a,3b). The element (1) is supported above a header (5) by two leads (9,12) of a microminiature package (13) which is mounted on its back on the header. One lead (9) is electrically connected to the element whereas the other (12) is insulated from it. A second pyroelec- tric element (2) may similarly be supported by two leads (10,11) of the package.

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