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. 09, 1989
Filed:
Nov. 13, 1987
Sohji Tsuchiya, Tsukui, JP;
Toshikuni Kojima, Kawasaki, JP;
Yasuo Kudoh, Yokohama, JP;
Susumu Yoshimura, Yokohama, JP;
Yasunari Hoshii, Nishio, JP;
Hirohiko Itoh, Nagoya, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Takomoto Oil & Fat Co., Ltd., Aichi, JP;
Abstract
The present invention provides a solid electrolytic capacitor which comprises a first electrode comprising a valve action metal plate one surface of which is covered by an anodic oxidation film, a second electrode which faces the surface of the first electrode having the anodic oxidation film and a layer of a solid electrolyte which is placed between the first and second electrodes and comprises a salt of 7,7,8,8-tetracyanoquinodimethane with a cation of quinoline or isoquinoline the nitrogen atom of which is quarternarized with fluorinated alkyl groups, which has improved reliability at high temperature and increased capacitance, and decreases the formation of poisonous gas during pyrolysis.