CPC G11B 5/7356 (2019.05) [G11B 5/7085 (2013.01); G11B 5/78 (2013.01)] | 15 Claims |
1. A magnetic tape comprising:
a non-magnetic support; and
a magnetic layer containing a ferromagnetic powder,
wherein a tape thickness of the magnetic tape is 5.2 μm or less, and
in an environment with a temperature of 23° C. and a relative humidity of 50%,
an AlFeSil abrasion value45° of a surface of the magnetic layer measured at a tilt angle of 45° of an AlFeSil prism is 20 μm to 50 μm,
a standard deviation of an AlFeSil abrasion value of the surface of the magnetic layer measured at each of tilt angles of 0°, 15°, 30°, and 45° of the AlFeSil prism is 30 μm or less, and
the tilt angle of the AlFeSil prism is an angle formed by a longitudinal direction of the AlFeSil prism and a width direction of the magnetic tape.
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