| 摘要 |
An infrared sensor is provided, which includes a substrate 12, a diaphragm 14 supported by the substrate, at least one thermocouple 17 provided with a cold junction 20 formed on the substrate and a hot junction 18 formed on the diaphragm, and an infrared-absorptive film 24 formed on the diaphragm so as to cover the hot junction of the thermocouple. The area of the infrared-absorptive film is 64% to 100% of the area of the diaphragm.
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