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:
May. 24, 1994
Filed:
Jun. 04, 1991
Applicant:
Inventors:
Kiyotaka Shindo, Ichihara, JP;
Koichi Igarashi, Ichihara, JP;
Kunihiko Mizumoto, Ichihara, JP;
Hidehiko Hashimoto, Ichihara, JP;
Assignee:
Mitsui Petrochemical Industries, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; H01F / ;
U.S. Cl.
CPC ...
428627 ; 428928 ; 428900 ; 428650 ; 428611 ;
Abstract
In accordance with the present invention, there are provided information recording media having a substrate and thereon a recording layer and a metallic layer, wherein the metallic layer is composed of an aluminum alloy containing (i) titanium and (ii) at least one metal selected from among chromium, niobium and magnesium. The information recording media thus provided are excellent in corrosion resistance and small in dependence of the recording power on linear velocity.