Temperature sensor for high temperature
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United States of America Patent
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Mar 27, 2018
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N/A
app pub date -
Jan 21, 2014
filing date -
Jan 21, 2014
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Abstract
In order to solve a technical problem of a temperature sensor for high temperature, in which platinum lead wires may be broken when used at a high temperature, an inner frame (8) made of ceramic is provided inside an outer frame (7) made of metal, the inner frame (8) is fixed, only at the upper end portion thereof, to the outer frame (7), and an insulating filler (9) made of a ceramic adhesive or a ceramic powder tightly filled at a high density is filled inside the inner frame (8) and a portion inside the outer frame (7) where the inner frame (8) is not present. According to this configuration, the occurrence of a break in platinum lead wires (6) can be significantly lowered compared with that of conventional examples.
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