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:
Oct. 07, 2025
Filed:
Jan. 20, 2022
Applicant:
Nippon Chemi-con Corporation, Tokyo, JP;
Inventors:
Assignee:
NIPPON CHEMI-CON CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01G 9/02 (2006.01); H01G 9/042 (2006.01); H01G 9/055 (2006.01);
U.S. Cl.
CPC ...
H01G 9/02 (2013.01); H01G 9/042 (2013.01); H01G 9/055 (2013.01);
Abstract
A capacitor includes a positive electrode foil, a negative electrode foil, and a separator disposed between the positive and negative electrode foils. The negative electrode foil includes a carbon layer, and the separator is in contact with the carbon layer. The separator has a density [symbol: ρ, unit: g/cm] satisfying the formula: where WPA is the amount of carbon per square centimeter of the separator [unit: μg/cm].