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Thermal type infrared ray detector with thermal separation structure for high sensitivity
Thermal type infrared ray detector with thermal separation structure for high sensitivity
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机译:具有热分离结构的热敏型红外线探测器,灵敏度高
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摘要
A thermal type infrared ray detector with a thermal separation structure includes a plurality of picture elements. Each of the plurality of picture elements includes a circuit formed in a substrate for every picture element, and a light receiving section converting infrared rays into change of a resistance or a charge quantity. The circuit generates a voltage signal from the resistance change or the charge quantity change. Beams mechanically support the light receiving section from the substrate to form a gap between the light receiving section and the substrate, and electrically connect the light receiving section to the circuit. Each of the beams includes a wiring line film formed of Ti alloy and connecting the light receiving section to the circuit, and a protective insulating film surrounding the wiring line film. In this case, the Ti alloy may be TiAl6V4.
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