The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 12, 2009
Filed:
Apr. 24, 2003
Katsuaki Suzuki, Ryugasaki, JP;
Katsuaki Suzuki, Ryugasaki, JP;
Tyco Electronics Raychem K.K., Kanagawa, JP;
Abstract
A temperature protection device is provided, which comprises with a polymeric positive temperature coefficient (PTC) devicehaving a conductive polymerplaced between two electrodesand, and a metal memberbonded to one of the electrodesof the polymeric PTC device, and which, when the ambient temperature exceeds a prescribed temperature, terminates the current-flowing state between the other electrodeof the polymeric PTC deviceand the metal member. The conductive polymerexpands thermally when the ambient temperature exceeds the prescribed temperature, and a material is selected for the metal memberthat will melt as a result of the heat generated by the conductive polymer during the thermal expansion.