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.:

US 6767651 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 27, 2004

Filed:

Jan. 03, 2002
Applicant:
Inventors:

Hiroyuki Uwazumi, Nagano, JP;

Tadaaki Oikawa, Nagano, JP;

Takahiro Shimizu, Nagano, JP;

Naoki Takizawa, Nagano, JP;

Assignee:

Fuji Electric Co., Ltd., Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/738 ;
U.S. Cl.
CPC ...
G11B 5/738 ;
Abstract

In a magnetic recording medium, a plurality of non-magnetic metallic intermediate layers is laminated between an under-layer and a magnetic layer. One of the intermediate layers is composed of at least an element selected from the group consisting of Ru, Re and Os and contains oxygen, and another is composed of a CoCr alloy containing at least an element selected from the group consisting of Nb, Mo, Ru, Rh, Pd, Ta, W, Re Os, Ir and Pt. The resulting magnetic recording medium provides reduced costs and improved recording characteristics.


Find Patent Forward Citations

Uwazumi, Hiroyuki. (2004). Magnetic recording medium, method for manufacturing a magnetic recording medium and magnetic recording device (U.S. Patent No. 6767651). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6767651

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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