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:
Aug. 17, 1999
Filed:
Oct. 07, 1997
Applicant:
Inventors:
Toyoji Ataka, Nagano, JP;
Keiji Ohkubo, Nagano, JP;
Noboru Kurata, Nagano, JP;
Naoki Takizawa, Nagano, JP;
Kazuo Enomoto, Nagano, JP;
Assignee:
Fuji Electric Co., Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
428457 ; 4286 / ; 4286 / ; 428900 ; 427128 ; 427131 ; 2041922 ; 2041925 ;
Abstract
A magnetic recording medium is provided which includes a non-magnetic base, and a non-magnetic metal base layer, a magnetic layer, and a protective layer, which are laminated in the order of description on the non-magnetic base, wherein the non-magnetic metal base layer is formed from an alloy film in which at least one element selected from the group consisting of W, Ta, Hf, Mo, Cr, Zr and Nb is added to NiAl.