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:
Dec. 22, 1998
Filed:
Jan. 13, 1997
Applicant:
Inventor:
Keiji Ohkubo, Nagano, JP;
Assignee:
Fuji Electric Co., Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
428332 ; 428336 ; 4286 / ; 4286 / ; 4286 / ; 4286 / ; 4286 / ; 428900 ;
Abstract
A magnetic recording medium is provide which includes at least a base layer and a multiple-film magnetic layer formed on a substrate. The multiple-film magnetic layer includes two to six magnetic films formed of a material selected from CoNiCrTa alloy, CoCrPt alloy and CoCrTaPt alloy. The magnetic films are laminated on each other with a non-magnetic intermediate layer interposed between each pair of the magnetic films. The non-magnetic intermediate film is formed of a Cr alloy containing an element selected from Mo, Ta, Ti and W.