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. 28, 1994
Filed:
Feb. 02, 1993
Applicant:
Inventors:
Noboru Koyama, Tokyo, JP;
Narito Goto, Tokyo, JP;
Ryosuke Isobe, Tokyo, JP;
Takahiro Mori, Tokyo, JP;
Assignee:
Konica Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
428212 ; 428328 ; 428329 ; 428336 ; 4286 / ; 4286 / ; 4286 / ; 428900 ;
Abstract
A magnetic recording medium having plural layers are disclosed. A plastic deformation of an uppermost magnetic layer is from 0.01 to 0.5 .mu.m, and a plastic deformation of the layer other than the uppermost magnetic layer is preferably from 0.01 to 0.6 .mu.m. The uppermost layer preferably has a thickness of less 0.5 .rho.m.
Koyama, Noboru. (1994). Magnetic recording medium comprising a support and a plurality of layers (U.S. Patent No. 5324571). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5324571
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