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. 27, 2002
Filed:
Dec. 15, 2000
Takashi Ikeda, Osaka, JP;
Kohichi Morimoto, Sakai, JP;
Junji Kojima, Hirataka, JP;
Kiyoshi Ikeuchi, Nishinomiya, JP;
Toshiyuki Iwao, Hirakata, JP;
Abstract
A chip polymer PTC thermistor for surface mount assembly having a superior long-term connection reliability between side electrode and main and sub electrodes. The thermister comprises; a rectangular parallelepiped conductive polymer( ) having PTC properties; a first main electrode( ) and a first sub electrode( ) disposed on a first face of the conductive polymer; a second main electrode( ) and a second sub electrode( ) disposed on a second face opposite the first face of the conductive polymer; and first and second side electrodes( ) folding around and over the entire surface of side faces of the conductive polymer, the side electrodes electrically coupling the electrodes disposed on the two faces of the conductive polymer, and a thickness of the side electrodes is not less than one twentieth of the distance between the first main electrode( ) and the second sub electrode( ) and the distance between the first sub electrode( ) and second main electrode( ).