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. 18, 2025
Filed:
Jul. 16, 2020
Applicant:
Tanaka Kikinzoku Kogyo K.k., Tokyo, JP;
Inventors:
Tomonari Kamada, Ibaraki, JP;
Ryousuke Kushikibi, Ibaraki, JP;
Assignee:
TANAKA KIKINZOKU KOGYO K.K., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 37/34 (2006.01); C23C 14/34 (2006.01); G11B 5/65 (2006.01);
U.S. Cl.
CPC ...
H01J 37/3429 (2013.01); C23C 14/3407 (2013.01); G11B 5/656 (2013.01); H01J 37/3426 (2013.01);
Abstract
A sputtering target for a magnetic recording medium, comprises: a metal phase containing Pt and at least one or more selected from Mn and V, with the balance being Co and incidental impurities; and an oxide phase containing at least B and O.