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:
Feb. 22, 2022
Filed:
Dec. 18, 2019
Applicant:
Fujifilm Business Innovation Corp., Tokyo, JP;
Inventors:
Shigeru Fukuda, Kanagawa, JP;
Futoshi Takei, Kanagawa, JP;
Satoya Sugiura, Kanagawa, JP;
Masato Furukawa, Kanagawa, JP;
Hiroaki Tanaka, Kanagawa, JP;
Masato Ono, Kanagawa, JP;
Assignee:
FUJIFILM Business Innovation Corp., Tokyo, unknown;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/28 (2006.01); G03G 15/16 (2006.01);
U.S. Cl.
CPC ...
B32B 27/281 (2013.01); G03G 15/162 (2013.01); G03G 15/1685 (2013.01); B32B 2264/108 (2013.01); B32B 2433/00 (2013.01); G03G 2215/1623 (2013.01);
Abstract
A polyimide resin film includes: a first layer that contains an imide resin, a bond composition ratio of a sum of a C—N bond and a C—O bond to bonds of all C elements that are present in a surface of the first layer being 4 atm % or more; and a second layer that is provided on the surface of the first layer.