HEATER
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United States of America Patent
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Issued Date -
Mar 21, 2024
app pub date -
Jan 26, 2021
filing date -
Jan 26, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
A heater includes a base, a plurality of heating bodies, a plurality of terminals, and a cylindrical. The base has a first surface on which a heating target is placed, and a second surface opposite to the first surface. The plurality of heating bodies include an inside heating body disposed in a region including a center of the base, and a plurality of outside heating bodies disposed outside of the inside heating body to be concentric with the base. The inside heating body and the plurality of outside heating bodies are disposed to be spaced from each other in a thickness direction of the base. The inside heating body is disposed at a first layer located closest to the first surface in the thickness direction of the base. The plurality of outside heating bodies include a first outside heating body, and a second outside heating body.
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