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:
Apr. 30, 1996
Filed:
Mar. 14, 1995
Applicant:
Inventors:
Assignee:
Konica Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
428323 ; 428328 ; 428329 ; 428336 ; 4286 / ; 4286 / ; 428900 ;
Abstract
Disclosed is a magnetic recording medium comprising a non-magnetic support having thereon a plurality of layers, wherein an outermost layer is a magnetic layer having a thickness of less than 0.5 .mu.m, and layers other than the outermost layer contain two or more kinds of non-magnetic powder having different average particle sizes. The magnetic recording medium has high durability in running under high temperature and high humidity.