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US 12,406,692 B2Granted
Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus
AssigneeFUJIFILM Corporation
InventorsNorihito Kasada, Nobuhito Onozuka, Junya Sawada, Ryosuke Yumiyama
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Abstract
The magnetic tape includes a non-magnetic support, and a magnetic layer containing a ferromagnetic powder. A magnetic tape cartridge and a magnetic tape apparatus include the magnetic tape. A core void volume Vvc specified in international organization for standardization (ISO) 25178 on a surface of the magnetic layer is 1.200 nm3 or more and 3.000 nm3 or less, and standard deviation σ of the Vvc in a width direction of the surface of the magnetic layer is 0.120 nm3 or less.
Claims16
A magnetic tape comprising:
- a non-magnetic support;
- and
- a magnetic layer containing a ferromagnetic powder,
- wherein a core void volume Vvc specified in ISO 25178 on a surface of the magnetic layer is 1.200 nm3 or more and 3.000 nm3 or less, and
- standard deviation σ of the Vvc in a width direction of the surface of the magnetic layer is 0.120 nm3 or less.
2 more elements
Dependencies are inferred from the claim text.