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:
Jan. 10, 2023
Filed:
Jul. 27, 2021
Applicant:
Showa Denko K.k., Tokyo, JP;
Inventors:
Assignee:
SHOWA DENKO K.K., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/73 (2006.01);
U.S. Cl.
CPC ...
G11B 5/7371 (2019.05); G11B 5/73913 (2019.05); G11B 5/73919 (2019.05);
Abstract
A base for a magnetic recording medium, includes an aluminum alloy substrate, and a nickel alloy film provided on at least one principal surface of the aluminum alloy substrate. The nickel alloy film includes Mo in a range of 0.5 wt % to 3 wt %, P in a range of 11 wt % to 15 wt %, and Al in a range of 0.001 wt % to 0.1 wt %.