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. 17, 1985
Filed:
Nov. 09, 1982
Applicant:
Inventors:
Shinsuke Tanaka, Kamakura, JP;
Fujio Tanaka, Tokyo, JP;
Yasuyuki Nagao, Hoya, JP;
Nobutake Imamura, Tokyo, JP;
Chuichi Ota, Fuchu, JP;
Assignee:
Kokusai Denshin Denwa Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
360131 ; 365122 ; 428623 ; 428900 ;
Abstract
A magneto-optical recording medium having an easy axis of magnetization in a direction perpendicular to the film surface, characterized in that a readout medium layer, a reflection layer and a recording medium layer are sequentially disposed in a direction of the incidence of a reading-out light, thereby to increase a reproduced output.