Is a
Patent attributes
Patent Applicant
0
Current Assignee
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
Takashi Kataguchi0
Takeshi Takahashi0
Natsuki Ichise0
Date of Patent
November 23, 2021
0Patent Application Number
172574610
Date Filed
July 1, 2020
0Patent Primary Examiner
Patent abstract
The present disclosure provides a tape-shaped magnetic recording medium, including: a base; and a magnetic layer that is provided on the base and contains a magnetic powder, in which an average particle volume V of the magnetic powder is 2,000 nm3 or less, an average thickness of the magnetic recording medium is 5.3 μm or less, a thermal stability KuV/kBT of the magnetic recording medium is 60 or more, and a ratio Hrp/Hc1 of a residual coercive force Hrp of the magnetic recording medium measured using a pulsed magnetic field to a coercive force Hc1 of the magnetic recording medium in a perpendicular direction is 2.10 or less.
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