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:
Feb. 09, 1982
Filed:
Jun. 23, 1980
Applicant:
Inventors:
Noboru Takahashi, Yokohama, JP;
Sadao Ozaki, Yokohama, JP;
Hiromasa Isono, Yokohama, JP;
Toshikazu Nishihara, Yokohama, JP;
Takeshi Ikushima, Yokohama, JP;
Tunehide Naruse, Yokohama, JP;
Assignee:
Victor Company of Japan, Limited, Yokohama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
428328 ; 360134 ; 428695 ; 428900 ;
Abstract
A magnetic recording medium which comprises a support, and a magnetic recording layer formed on the support, the magnetic recording layer being comprised of a major proportion of a magnetic metal powder and minor proportions of a metal oxide powder, the metal oxide powder serving as a wear-resistant agent, an organic binder and ethylene stearyl bisamide serving as a lubricant.