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:
Dec. 30, 2025
Filed:
Nov. 25, 2021
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Katsuhiro Ogasawara, Kyoto, JP;
Atsushi Tanaka, Osaka, JP;
Abstract
A solid electrolytic capacitor includes at least one capacitor element including an anode part and a cathode part, an anode lead terminal, a cathode lead terminal, and an exterior body that covers the least one capacitor element. Each of the anode lead terminal and the cathode lead terminal includes an embedded part embedded in the exterior body. The embedded part of the anode lead terminal has a first contact surface in contact with the exterior body, and the embedded part of the cathode lead terminal has a second contact surface in contact with the exterior body. At least one contact surface selected from the group consisting of the first contact surface and the second contact surface includes a rough surface having a developed area ratio of an interface of more than or equal to 0.4.