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:
Dec. 30, 1986
Filed:
Mar. 26, 1985
Applicant:
Inventors:
Yuichi Kubota, Komoro, JP;
Akio Watanabe, Sendai, JP;
Assignee:
TDK Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
428328 ; 360134 ; 360135 ; 360136 ; 252 6251 ; 252 6256 ; 427128 ; 427131 ; 428323 ; 428403 ; 428407 ; 428408 ; 428329 ; 428694 ; 428900 ;
Abstract
In a coating type magnetic recording medium, a base film is coated with a magnetic paint composition comprising a binder and a magnetic powder mixture of magnetic metal particles with magnetic metal carbide particles or magnetic metal particles having a metal carbide coating on the surface thereof. Preferably, the metal is iron and the metal carbide is iron carbide.