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:
Sep. 01, 1992
Filed:
Aug. 15, 1989
Applicant:
Inventors:
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ;
U.S. Cl.
CPC ...
428694 ; 369288 ;
Abstract
A magneto-optical recording medium comprises a dielectric film disposed on a substrate and formed, for example, of silicon nitride, of for example, 65 nm thickness, a magnetic film disposed on the dielectric film, and formed, for example, of, rare earth-transistion metal alloy thin film, of, for example, 35 thickness, and a reflective film disposed on the magnetic film, and formed of titanium nitride, by, for example, sputtering.