G - Physics – 01 – J
Patent
G - Physics
01
J
G01J 5/20 (2006.01) G01J 5/22 (2006.01) G01J 5/24 (2006.01)
Patent
CA 2726821
The invention relates to an infrared radiation detection device that comprises: a substrate; a matrix (12) of at least one line of elements for detecting said radiation, each comprising a resistive imaging bolometer (14), said matrix being formed above the substrate; a means (18) for reading the bolometers of the matrix; a means (22) for measuring the temperature in at least one point of the substrate; and a means (26) for correcting the signal formed from each bolometer (14) on the basis of the temperature measured in at least one point of the substrate. The correcting means (26) is capable of correcting the signal formed from the imaging bolometer (14) by means of a predetermined physical model of the temperature behavior of said signal.
Ce dispositif de détection d'un rayonnement infrarouge comporte : " un substrat; " une matrice (12) d'au moins une ligne d'éléments de détection dudit rayonnement comportant chacun un bolomètre résistif d'imagerie (14), ladite matrice étant formée au dessus du substrat; " des moyens (18) de lecture des bolomètres de la matrice, " des moyens (22) de mesure de température en au moins un point du substrat; " et des moyens (26) de correction du signal formé à partir de chaque bolomètre (14) en fonction de la température mesurée en au moins un point du substrat. Les moyens (26) de correction sont aptes à corriger le signal formé à partir du bolomètre d'imagerie (14) à l'aide d'un modèle physique prédéterminé du comportement en température dudit signal.
Dupont Benoit
Dupret Antoine
Touvignon Aurelie
Vilain Michel
Brouillette & Associes/partners
Ulis
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