SENSOR ELEMENT
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United States of America Patent
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Issued Date -
Jul 25, 2024
app pub date -
May 10, 2022
filing date -
May 20, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
Provided is a sensor element capable of obtaining a wide sensing region, suppressing unevenness of a temperature distribution in the sensing region, and obtaining substantially constant sensor sensitivity. A sensor element according to the present invention includes: a base; a temperature-sensitive film formed on an entire surface of the base and having an electric resistance value that changes due to a change in temperature; and wiring members connected to both ends of the temperature-sensitive film. The temperature-sensitive film includes connection regions connected to the wiring members and a pattern extending from each of the connection regions toward a center of the base, and a cross-sectional area of the pattern is smaller on the connection region sides than at the center of the base.
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