Ceramic heater
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United States of America Patent
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Mar 19, 2024
Grant Date -
Aug 3, 2023
app pub date -
Sep 10, 2020
filing date -
Sep 9, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention relates to a ceramic heater. The ceramic heater of the present invention comprises: a heater plate in which a heating element is disposed and which is made of a ceramic material; a shaft which has a tubular shape with a through-hole and is coupled to the bottom surface of the heater plate and in which a rod for supplying power to the heating element through the through-hole is received; and a continuous or discontinuous air pocket which is provided in a joint with which the heater plate and the shaft come into contact and by which the heater plate and the shaft are coupled to each other, wherein the air pocket is formed along the joining surface of the joint.
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