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. 10, 2004
Filed:
Nov. 20, 2000
Applicant:
Inventors:
Haruhiro Komura, Minato, JP;
Yuki Yoshida, Kawasaki, JP;
Hisashi Umeda, Higashine, JP;
Iwao Okamoto, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/66 ; G11B 5/70 ; B05D 5/12 ;
U.S. Cl.
CPC ...
G11B 5/66 ; G11B 5/70 ; B05D 5/12 ;
Abstract
A magnetic recording medium includes a substrate, a nonmagnetic seed layer provided on the substrate, and a magnetic layer provided on the nonmagnetic seed layer via one or a plurality of layers. The nonmagnetic seed layer is made of NiAl having an oxygen concentration of approximately 1500 to 4000 ppm.