Pyroelectric detection systems and methods of making the same

Details Pyroelectric detection systems and methods of making the same Pyroelectric detection systems and methods of making the same

2007-10-12

2009-12-01

Porta, David P (Department: 2884)

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

C250SDIG001

Reexamination Certificate

active

07626170

ABSTRACT:
Infrared radiation detection systems and methods of making the same are provided. In one embodiment, the radiation detection system comprises: a housing having an open end exposed to a radiation emitting object; a detector positioned in the housing, the detector comprising a radiation sensing material for detecting infrared radiation, the radiation sensing material having a portion removed by etching or coated by a mask such that only a region of the radiation sensing material is capable of detecting the infrared radiation; and a lens positioned in the housing for transmitting infrared radiation from the object to the detector.

REFERENCES:
patent: 3629585 (1971-12-01), Desvignes et al.
patent: 4087688 (1978-05-01), Keller
patent: 2004/0211903 (2004-10-01), Bynum et al.
patent: 2005/0116171 (2005-06-01), Lee et al.
patent: 2006/0131464 (2006-06-01), Hesser et al.

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