Ferroelectric infrared detector and method
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United States of America Patent
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Mar 30, 2010
Grant Date -
Aug 7, 2008
app pub date -
Dec 20, 2007
filing date -
Dec 21, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus and method are provided for sensing infrared radiation. The apparatus includes a sensor element that is positioned in a magnetic field during operation to ensure a λ shaped relationship between specific heat and temperature adjacent the Curie temperature of the ferroelectric material comprising the sensor element. The apparatus is operated by inducing a magnetic field on the ferroelectric material to reduce surface charge on the element during its operation.
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