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:
Jun. 06, 1989
Filed:
Nov. 17, 1987
Applicant:
Inventor:
Akio Kuroe, Osaka, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
428323 ; 427131 ; 428694 ; 428695 ; 428900 ;
Abstract
A magnetic recording medium which comprises a base film having a multitude of fine projections uniformly distributed over one surface thereof, and a magnetic layer formed on the base film. The magnetic layer is made of magnetic acicular particles extending from the individual projections in a vertical direction with respect to the base film, and a resin composition comprising a lubricant. The resin composition fills substantially all gaps formed among the vertically extending magnetic acicular particles. This medium may be formed on another magnetic recording medium for longitudinal recording.