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. 20, 1987
Applicant:
Inventors:
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
428418 ; 427128 ; 427131 ; 428413 ; 4284259 ; 428522 ; 428694 ; 428695 ; 428900 ;
Abstract
An improvement of a magnetic recording medium in the continuous form comprising a nonmagnetic support, a magnetic recording layer provided on one surface of the support, and a back layer provided on the other surface of the support comprising a binder and nonmagnetic particles dispersed therein. The improvement resides in that the binder of the back layer mainly contains: