Device for detecting infrared radiation with bolometric detectors
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United States of America Patent
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Dec 12, 2006
Grant Date -
May 12, 2005
app pub date -
Nov 5, 2004
filing date -
Nov 10, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An infrared detection device including a matrix of bolometric detectors electrically connected to a reading circuit. Each of the detectors includes at least two electrically conductive thermal insulation structures insulated from one another and fitted in contact at one of their ends with an active zone consisting of a bolometric material. One of the structures is electrically connected at its other end to the reading circuit by a cold electrical connection that is kept at a substantially constant potential. The other structure is electrically connected at its other end to the reading circuit by a hot electrical connection, which is connected in series with a switch integrated into the reading circuit. At least two adjacent bolometric detectors are connected by a common electrical connection to the substantially constant potential of the reading circuit.
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