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:
Sep. 14, 2004
Filed:
Sep. 25, 2001
Hiroshi Konuma, Chiba, JP;
Koro Shirane, Chiba, JP;
Ryuji Monden, Nagano, JP;
Atsushi Sakai, Nagano, JP;
Yuji Furuta, Nagano, JP;
Katsuhiko Yamazaki, Nagano, JP;
Toru Sawaguchi, Nagano, JP;
Hideko Ohata, Chiba, JP;
Yoshiaki Ikenoue, Tokyo, JP;
Showa Denko K.K., Tokyo, JP;
Abstract
A solid electrolytic capacitor includes a valve acting metal having microfine pores, a dielectric film formed on a surface of the valve acting metal, and a solid electrolyte layer provided on the dielectric film, in which at least a portion of the solid electrolyte layer is of a lamellar structure. In particular, a solid electrolytic capacitor includes an electrically conducting polymer having a specified condensed ring structure containing (1) a solid electrolyte layer containing a sulfoquinone anion having a sulfo anion group and a quinone structure and other anion, and (2) a solid electrolyte layer containing an anthracenesulfonate ion and other anion.