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. 16, 1995
Filed:
Jan. 25, 1993
Hiroshi Sakamoto, Osaka, JP;
Takeshi Matsuura, Kyoto, JP;
Shinjyo Higashino, Shiga, JP;
Hirotaka Kawamura, Kyoto, JP;
Hitachi Maxell, Ltd., Osaka, JP;
Abstract
A magnetic recording tape comprising a nonmagnetic substrate and a magnetic layer which is formed on at least one surface of the substrate, the magnetic layer comprising a magnetic powder and a binder resin having a surface resistivity of not larger than 1.times.10.sup.9 .OMEGA./sq. cm and a thickness of not larger than 3.5 .mu.m, the magnetic recording tape having a light transmittance of not larger than 0.8% and a residual magnetic flux density of at least 1400 G, which has good light shielding, and reproduction output characteristics, a small number of dropouts and improved touch with a magnetic head.