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. 31, 1999
Filed:
Dec. 03, 1998
Applicant:
Inventors:
Tokuhiko Handa, Chiba, JP;
Yukie Yoshinari, Chiba, JP;
Assignee:
TDK Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01B / ; H01B / ; H01B / ; H01B / ;
U.S. Cl.
CPC ...
252511 ; 252510 ; 252512 ; 252513 ; 2525181 ; 219541 ; 219546 ; 219547 ; 219553 ; 264104 ; 264105 ; 264234 ; 264347 ;
Abstract
An organic positive temperature coefficient thermistor comprises a thermoplastic polymer matrix, a low-molecular organic compound, and conductive particles, each having spiky protuberances thereon. The low-molecular organic compound has a melting point of 40.degree. C. to 100.degree. C. The conductive particles are interconnected in a chain form.