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:
Aug. 11, 2009
Filed:
Dec. 22, 2006
Applicants:
Masaaki Yamashita, Tokyo, JP;
Yasuhide Yamashita, Tokyo, JP;
Tsuyoshi Sugiyama, Tokyo, JP;
Hisanao Tosaka, Tokyo, JP;
Inventors:
Masaaki Yamashita, Tokyo, JP;
Yasuhide Yamashita, Tokyo, JP;
Tsuyoshi Sugiyama, Tokyo, JP;
Hisanao Tosaka, Tokyo, JP;
Assignee:
TDK Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 3/10 (2006.01); H01C 7/13 (2006.01);
U.S. Cl.
CPC ...
Abstract
A PTC element comprising a PTC element body containing a polymer matrix and conductive particles, a pair of electrodes in contact with the PTC element body, and a protective layer composed of a cured epoxy resin composition containing an epoxy resin and a thiol-based curing agent, and covering the PTC element body so as to seal the PTC element body.