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. 29, 1998
Filed:
Dec. 17, 1996
Applicant:
Inventors:
Takumi Shimamori, Machida, JP;
Yoko Ikeda, Yokohama, JP;
Yoshinori Seki, Kawasaki, JP;
Takeshi Kuriwada, Machida, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ; G11B / ; G11B / ;
U.S. Cl.
CPC ...
428332 ; 4286 / ; 4286 / ; 369 13 ;
Abstract
A magneto-optical recording medium having, in the following order, a substrate, a magneto-optical recording layer having a Curie temperature of not less than 220.degree. C., and a reflective layer mainly composed of Ag and having a refractive index of not more than 0.5 at a wavelength of less than 600 nm is written with an external magnetic field and a laser beam with a wavelength of less than 600 nm while read-out is with the laser beam also at a wavelength less than 600 nm.