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:
Aug. 19, 2025
Filed:
Jan. 30, 2023
Applicant:
Fujifilm Corporation, Tokyo, JP;
Inventors:
Shinji Tsujimoto, Minamiashigara, JP;
Shunichi Hoshino, Minamiashigara, JP;
Yoshihiro Sawayashiki, Minamiashigara, JP;
Assignee:
FUJIFILM Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/735 (2006.01); G11B 5/78 (2006.01);
U.S. Cl.
CPC ...
G11B 5/7353 (2019.05); G11B 5/78 (2013.01);
Abstract
Provided are a magnetic tape including a non-magnetic support and a magnetic layer including a ferromagnetic powder, a magnetic tape cartridge and a magnetic tape apparatus including this magnetic tape. An amount of a fluid lubricant collected by wiping a surface of the magnetic layer by a nonwoven fabric is in a range of 5 to 400 ng/mas a value per unit area of the surface of the magnetic layer.