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:
Apr. 21, 2020
Filed:
Apr. 28, 2016
Applicant:
Oji Holdings Corporation, Tokyo, JP;
Inventors:
Assignee:
OJI HOLDINGS CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01G 4/18 (2006.01); B32B 27/08 (2006.01); H01G 4/14 (2006.01); B32B 27/36 (2006.01); B32B 27/32 (2006.01); B29C 55/12 (2006.01); B32B 27/28 (2006.01); B29C 48/18 (2019.01); B32B 27/30 (2006.01);
U.S. Cl.
CPC ...
H01G 4/145 (2013.01); B29C 48/18 (2019.02); B29C 55/12 (2013.01); B32B 27/08 (2013.01); B32B 27/285 (2013.01); B32B 27/30 (2013.01); B32B 27/302 (2013.01); B32B 27/32 (2013.01); B32B 27/36 (2013.01); H01G 4/18 (2013.01); B32B 2250/05 (2013.01); B32B 2255/10 (2013.01); B32B 2255/205 (2013.01); B32B 2307/518 (2013.01); B32B 2307/724 (2013.01); B32B 2307/7244 (2013.01); B32B 2307/732 (2013.01); B32B 2457/16 (2013.01);
Abstract
A film for a capacitor having a plurality of layers, the film for capacitors satisfying the following relational expression (1): Cmo/Cmu≥1.1 wherein Cmu is an oxygen gas permeability coefficient of the film for the capacitor, and Cmo is an oxygen gas permeability coefficient of an equivalent film that would be obtained if the film for the capacitor were to be formed as a uniform single layer, and having a thickness of 1 to 35 μm.