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:
May. 08, 2001
Filed:
Mar. 01, 1999
Applicant:
Inventors:
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/735 ;
U.S. Cl.
CPC ...
G11B 5/735 ;
Abstract
A magnetic recording tape favorably employable for recording computer data is composed of a support, and on one side of the support, a non-magnetic layer composed of a non-magnetic powder and a binder, and a magnetic recording layer composed of a ferromagnetic powder and a binder superposed in order, and on the other side, a back-coating layer containing carbon black, in which the magnetic recording tape has a lateral thermal expansion coefficient of not more than 0.0015%/° C., a lateral humidity expansion coefficient of not more than 0.0015%/% RH, a longitudinal offset proof stress of not less than 10 N, and a longitudinal breaking strength of not less than 30 N.