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. 16, 1997
Filed:
Dec. 23, 1993
Applicant:
Inventors:
Naoto Yamamoto, Hino, JP;
Tsutomu Kenpo, Hino, JP;
Assignee:
Konica Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ;
U.S. Cl.
CPC ...
428336 ; 4286 / ; 4286 / ; 4286 / ; 4286 / ; 4286 / ; 4286 / ; 4286 / ; 4286 / ; 428900 ; 428928 ;
Abstract
Disclosed is a magnetic recording medium comprising a nonmagnetic base support and a magnetic layer containing ferromagnetic metallic powder dispersed in a binder, wherein the strain dependability of said magnetic recording medium is characterized in that: a ratio G'.sub.2 /G'.sub.1 is not less than 0.01, wherein G'.sub.1 is a storage modulus provided that the strain is 10.sup.-4, and G'.sub.2 is a storage modulus provided that the strain is 10.sup.-2.