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. 05, 2025
Filed:
Sep. 14, 2023
Applicant:
Fujifilm Corporation, Tokyo, JP;
Inventors:
Takuto Kurokawa, Minamiashigara, JP;
Yujin Shibata, Minamiashigara, JP;
Norihito Kasada, Minamiashigara, JP;
So Matsuyama, Minamiashigara, JP;
Assignee:
FUJIFILM Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/62 (2006.01); G11B 5/008 (2006.01); G11B 5/588 (2006.01); G11B 5/84 (2006.01);
U.S. Cl.
CPC ...
G11B 5/62 (2013.01); G11B 5/00817 (2013.01); G11B 5/588 (2013.01); G11B 5/84 (2013.01);
Abstract
The magnetic tape includes: a non-magnetic support; and a magnetic layer containing a ferromagnetic powder, in which an AlFeSil abrasion value measured on a surface of the magnetic layer is 20 μm or more and 50 μm or less, and standard deviation a of the AlFeSil abrasion value obtained in a width direction of the surface of the magnetic layer is 5.0 μm or less.