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:
Apr. 07, 1998
Filed:
Feb. 08, 1996
Applicant:
Inventors:
Osamu Yoshida, Ichikaimachi, JP;
Noriyuki Kitaori, Ichikaimachi, JP;
Hirohide Mizunoya, Ichikaimachi, JP;
Katsumi Sasaki, Ichikaimachi, JP;
Yuzo Matsuo, Ichikaimachi, JP;
Shigemi Wakabayashi, Ichikaimachi, JP;
Akira Shiga, Ichikaimachi, JP;
Assignee:
Kao Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
428611 ; 428656 ; 428678 ; 428679 ; 428680 ; 4286 / ; 4286 / ; 428900 ; 428928 ; 427128 ; 427131 ;
Abstract
A metal film type magnetic recording medium in which the saturated magnetic flux density is high and iron having a good corrosion resistance is applied. The magnetic layer comprises metal films formed, in order on a base film, each containing iron, cobalt and nickel as main components.