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:
Mar. 01, 1988
Filed:
Aug. 20, 1986
Applicant:
Inventors:
Shinji Saito, Odawara, JP;
Hiroshi Ogawa, Odawara, JP;
Chiaki Mizuno, Odawara, JP;
Yasuo Tamai, Odawara, JP;
Assignee:
Fuji Photo film Co., Ltd., , JP;
Primary Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ;
U.S. Cl.
CPC ...
428212 ; 428480 ; 428694 ; 428900 ;
Abstract
A magnetic recording medium in the form of tape such as an audio-tape or a video-tape comprising a flexible support and a magnetic recording layer provided on said support, said magnetic recording layer comprising a ferromagnetic powder dispersed in a binder, which is characterized in that said magnetic recording medium has dynamic modulus of not lower than 4.5.times.10.sup.10 dyne/cm.sup.2 in the longitudinal direction at 110.degree. C.