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:
Mar. 10, 1998
Filed:
Jun. 19, 1996
Applicant:
Inventors:
Kenji Kohno, Ibaraki, JP;
Kazushi Miyata, Mishima-gun, JP;
Assignee:
Hitachi Maxell, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
428341 ; 428421 ; 428422 ; 428408 ; 428450 ; 428457 ; 4286 / ; 4286 / ; 4286 / ; 4286 / ; 428900 ;
Abstract
A magnetic recording medium having a non-magnetic substrate and a magnetic layer formed on at least one surface of the substrate and containing a fluorine-containing lubricant on or in a surface thereof, in which the fluorine-containing lubricant is a fluorinated block/non-fluorinated block/fluorinated block triblock copolymer.