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:
Sep. 25, 2007
Filed:
May. 04, 2004
Applicants:
Akiko Handa, Tendou, JP;
Kazuhisa Shida, Higashine, JP;
Noriyuki Asakura, Higashine, JP;
Akira Kikuchi, Higashine, JP;
Inventors:
Akiko Handa, Tendou, JP;
Kazuhisa Shida, Higashine, JP;
Noriyuki Asakura, Higashine, JP;
Akira Kikuchi, Higashine, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/66 (2006.01);
U.S. Cl.
CPC ...
Abstract
A magnetic recording medium and a magnetic recording medium driving apparatus are disclosed. By providing a plurality of intermediate layers made of a CoCr alloy of which saturation magnetic flux densities are controlled within a predetermined range, the magnetic recording medium, and the magnetic recording medium driving apparatus, realize a high S/Nm and thermal stability.