Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Eiki Ozawa0
Norihito Kasada0
Tetsuya Kaneko0
Date of Patent
December 17, 2019
Patent Application Number
15626355
Date Filed
June 19, 2017
Patent Citations
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Patent Citations Received
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Patent Primary Examiner
Patent abstract
A magnetic tape includes a non-magnetic support; a non-magnetic layer including non-magnetic powder and a binder on the non-magnetic support; and a magnetic layer including ferromagnetic powder and a binder on the non-magnetic layer. The total thickness of the non-magnetic layer and the magnetic layer is less than or equal to 0.60 μm. The magnetic layer includes a timing-based servo pattern, the ferromagnetic powder is ferromagnetic hexagonal ferrite powder, and the magnetic layer includes an abrasive. In addition, the tilt cos θ of the ferromagnetic hexagonal ferrite powder with respect to the surface of the magnetic layer acquired by cross section observation performed using a scanning transmission electron microscope is 0.85 to 1.00.
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