INFRARED DETECTION DEVICE

摘要

Infrared detection device comprising a gas detection device comprising:
a resistive layer, a first portion of which is able to emit infrared radiation able to be absorbed by the gas to be detected, and a second portion of which is thermally coupled to a first element for the thermoresistive transduction of said infrared radiation;a substrate comprising an electronic circuit for controlling and reading the gas detection device;portions of electrically conductive material electrically connecting the first portion and the first thermoresistive transduction element to the electronic circuit, and providing mechanical holding of the first and second portions opposite the substrate so that a distance between the first portion and the substrate is substantially equal to a distance between the second portion and the substrate.

主权项

1. An infrared detection device comprising at least one gas detection device that comprises at least:
a resistive layer, at least a first portion of which is able to emit a first infrared radiation in a first range of wavelengths able to be absorbed by the gas or gases to be detected, and at least a second portion of which is thermally coupled to at least one first element for the thermoresistive transduction of the first infrared radiation intended to be detected; a substrate comprising at least one first electronic circuit for controlling and reading the gas detection device; portions of electrically conductive material electrically connecting at least the first portion of the resistive layer and the first thermoresistive transduction element to the first electronic circuit, and providing mechanical holding of the first portion and second portion of the resistive layer opposite the substrate so that a distance between the first portion of the resistive layer and the substrate is substantially equal to a distance between the second portion of the resistive layer and the substrate; the infrared detection device further comprising a matrix of infrared detectors such that each infrared detector comprises at least:
a third portion of the resistive layer coupled thermally to at least a second element for the thermoresistive transduction of a second infrared radiation in a second range of wavelengths intended to be detected;portions of electrically conductive material electrically connecting the second thermoresistive transduction element to a second electronic circuit controlling and reading the matrix of infrared detectors implemented in the substrate, and providing mechanical holding of the third portion of the resistive element opposite the substrate such that a distance between the third portion of the resistive layer and the substrate is substantially equal to the distance between the second portion of the resistive layer and the substrate.