Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Takayuki Ide0
Date of Patent
November 16, 2021
0Patent Application Number
159126350
Date Filed
March 6, 2018
0Patent Primary Examiner
Patent abstract
An antifogging device includes: a heater configured to apply heat to an optical member; a temperature sensor configured to detect a temperature; a circuit board with a surface mounted the heater and the temperature sensor; a sealing member that is made of a resin material and that is applied to the surface to seal the heater and the temperature sensor; and a joining part that is provided on at least part of the surface and that is made of an inorganic material, the joining part being configured to: extend along a periphery of the surface in a state of being exposed to a side surface of the circuit board; and contact the sealing member.
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