CPC G11B 5/653 (2013.01) [G11B 5/00813 (2013.01); G11B 5/584 (2013.01); G11B 5/733 (2013.01); G11B 5/78 (2013.01); G11B 23/107 (2013.01)] | 14 Claims |
1. A magnetic tape comprising:
a non-magnetic support; and
a magnetic layer containing a ferromagnetic powder,
wherein an edge portion Ra which is an arithmetic average roughness Ra measured at an edge portion of a surface of the magnetic layer is 1.50 nm or less,
a central portion Ra which is an arithmetic average roughness Ra measured at a central portion of the surface of the magnetic layer is 0.30 nm to 1.30 nm, and
a Ra ratio (central portion Ra/edge portion Ra) is 0.75 to 0.95.
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