Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hisashi Usui0
Arata Tanaka0
Keiichiro Nomura0
Date of Patent
October 2, 2018
0Patent Application Number
144243980
Date Filed
August 30, 2013
0Patent Citations Received
Patent Primary Examiner
Patent abstract
The present invention provides a protection device which includes: a PTC laminar element which is formed of an insulation resin and has at least one throughhole; electrically conductive metal thin layers which are positioned on each of main surfaces of the laminar element, and a fuse layer which is positioned on a side surface defining at least one of said at least one throughhole and electrically connects the electrically conductive metal thin layers which are positioned on each of main surfaces of the laminar element. The protection device of the present invention allows a larger amount of a current to flow therethrough and can provide a protection from an excessive current.
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