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. 22, 1988
Filed:
Apr. 08, 1987
Applicant:
Inventor:
Osamu Saito, Takatsuki, JP;
Assignee:
Hitachi Maxell, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
428143 ; 427128 ; 427131 ; 428141 ; 428148 ; 428149 ; 428421 ; 428422 ; 428694 ; 428695 ; 428900 ; 428447 ; 428522 ;
Abstract
A magnetic recording medium comprising a substrate, a magnetic layer formed on at least one surface of the substrate and a lubricant layer comprising at least two components substantially incompatible with each other, coated on the surface of the magnetic layer, forming a like structure, which has improved abrasion resistance, durability and running stability.