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:
Jul. 08, 2025
Filed:
Jan. 12, 2022
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Kei Hirota, Okayama, JP;
Takahiro Yoshii, Osaka, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01G 9/028 (2006.01); H01G 9/15 (2006.01); H01G 9/00 (2006.01);
U.S. Cl.
CPC ...
H01G 9/028 (2013.01); H01G 9/15 (2013.01); H01G 9/0036 (2013.01);
Abstract
A solid electrolytic capacitor element includes an anode body, a dielectric layer formed on a surface of the anode body, and a cathode part covering at least a part of the dielectric layer. The cathode part includes a solid electrolyte layer covering the at least the part of the dielectric layer. The solid electrolyte layer includes a conductive polymer component containing a conjugated polymer. An oxygen permeability Pof the solid electrolyte layer after heating at 230° C. for 5 hours is less than or equal to 1.0 cm/m·24 h·atm.