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. 06, 2003
Filed:
Apr. 05, 2001
Applicant:
Inventors:
Tokuhiko Handa, Tokyo, JP;
Yukie Yoshinari, Tokyo, JP;
Assignee:
TDK Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01B 1/00 ;
U.S. Cl.
CPC ...
H01B 1/00 ;
Abstract
The invention aims to provide an organic PTC thermistor having a lower operating temperature than prior art organic PTC thermistors and exhibiting improved characteristics. The object is attained by an organic PTC thermistor comprising a polymer synthesized in the presence of a metallocene catalyst and conductive particles having spiky protuberances.