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. 26, 2008
Filed:
Mar. 13, 2007
Yasuhide Yamashita, Tokyo, JP;
Yasuhide Yamashita, Tokyo, JP;
TDK Corporation, Tokyo, JP;
Abstract
A PTC element has an element body in which an electroconductive filler is dispersed in a crystalline polymer, a pair of lead terminals compressed with the element body in between, and a protecting film covering a portion of the element body not compressed against the pair of lead terminals. Each of the pair of lead terminals has an overlap region overlapping with the element body, and a nonoverlap region not overlapping with the element body. An anchor projection embedded in the element body is formed in the overlap region of each of the pair of lead terminals. A peel prevention region for preventing peeling of the protecting film is formed in a region adjoining the element body in the nonoverlap region. The anchor projection is formed as crushed in a region except for at least the peel prevention region in the nonoverlap region.