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:
Nov. 19, 1996
Filed:
Jun. 27, 1994
Applicant:
Inventors:
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; G11B / ;
U.S. Cl.
CPC ...
428332 ; 428336 ; 428694 ; 428900 ; 4286 / ; 4286 / ; 4286 / ; 4286 / ; 4286 / ; 360 55 ; 360114 ; 369 13 ; 369 14 ;
Abstract
The invention relates to a magneto-optical recording medium having a magneto-optical layer which is composed of a quaternary alloy of Nd.sub.x Tb.sub.y Fe.sub.z Co.sub.m, the quantitative proportions of the alloying elements x, y, z and m being selected as follows: