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. 01, 1988
Filed:
Aug. 20, 1986
Applicant:
Inventors:
Chiaki Mizuno, Odawara, JP;
Yasuo Tamai, Odawara, JP;
Hiroshi Ogawa, Odawara, JP;
Shinji Saito, Odawara, JP;
Assignee:
Fuji Photo Film Co., Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
428141 ; 428694 ; 428900 ;
Abstract
A magnetic recording medium such as an audio-tape or a video-tape comprising a flexible support and a magnetic recording layer provided on a surface of said support, which is characterized in that the ratio of Young's modulus of said magnetic recording layer in the longitudinal direction (Em) to Young's modulus of said support in the longitudinal direction (Eb), namely Em/Eb, is in the range of 1.20-3.20.