Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Norihito Kasada0
Tetsuya Kaneko0
Eiki Ozawa0
Date of Patent
September 11, 2018
0Patent Application Number
156158710
Date Filed
June 7, 2017
0Patent Citations Received
...
Patent Primary Examiner
Patent abstract
The magnetic tape includes a magnetic layer having ferromagnetic powder and a binder on a non-magnetic support, in which the magnetic layer includes a timing-based servo pattern, the ferromagnetic powder is ferromagnetic hexagonal ferrite powder having an activation volume equal to or smaller than 1,600 nm3, and an edge shape of the timing-based servo pattern specified by a magnetic force microscope observation is a shape in which a difference (l99.9−l0.1) between a value l99.9 of a cumulative frequency function of 99.9% of a position deviation width from an ideal shape in a longitudinal direction of the magnetic tape and a value l0.1 of the cumulative frequency function of 0.1% thereof is equal to or smaller than 180 nm.
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