INFRARED RAY DETECTION ELEMENT AND INFRARED RAY DETECTION DEVICE HAVING THE SAME
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United States of America Patent
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Issued Date -
Apr 25, 2013
app pub date -
Mar 10, 2010
filing date -
Mar 10, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An infrared ray detection element has a plurality of pyroelectric layers that are laminated in a same direction as an incident direction of infrared rays, one or more intermediate electrode layers laminated between the plurality of pyroelectric layers; a front side electrode layer that is laminated on a front side of the pyroelectric layer positioned at a top side; and a back side electrode layer that is laminated on a back side of the pyroelectric layer positioned at a bottom side. The two pyroelectric layers adjacent in a front and back direction are performed with a polarization process such that polarization directions thereof are set to reverse directions to each other.
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