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:
Jun. 25, 1996
Filed:
Apr. 25, 1994
Applicant:
Inventors:
Tatsuya Shimoda, Nagano-ken, JP;
Satoshi Shimokawato, Nagano-ken, JP;
Shin Funada, Nagano-ken, JP;
Mamoru Sugimoto, Nagano-ken, JP;
Akira Aoyama, Nagano-ken, JP;
Satoshi Nebashi, Nagano-ken, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ; G11C / ; C23C / ;
U.S. Cl.
CPC ...
4286 / ; 4286 / ; 4286 / ; 4286 / ; 428800 ; 365122 ; 369 13 ; 369288 ; 2041922 ;
Abstract
A magnetic recording film and a magneto-optic recording system utilizing films. The film includes light and heavy rare earth elements and transition metal elements. The system can include dielectric layers and low magnetic coercivity layers in addition to the recording layer.