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. 25, 2010
Filed:
Apr. 18, 2005
Applicants:
Kazuhiko Nakiri, Ibaraki, JP;
Sadamu Kuse, Ibaraki, JP;
Inventors:
Kazuhiko Nakiri, Ibaraki, JP;
Sadamu Kuse, Ibaraki, JP;
Assignee:
Hitachi Maxell, Ltd., Ibaraki-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/716 (2006.01);
U.S. Cl.
CPC ...
Abstract
A magnetic tape comprising a non-magnetic support, a primer layer formed on one surface of the support, a magnetic layer formed on the primer layer, and a back layer formed on the other surface of the support, in which the tape has a total thickness of 4.0 to 5.4 μm, at least one of the primer layer and the magnetic layer contains a fatty acid amide, and an amount of the fatty acid amide extracted from the side of the magnetic layer with n-hexane is from 0.5 to 1.5 mg/cm.