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US 2023/0419993 A1Published application
Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus
AssigneeFUJIFILM Corporation
InventorsNagisa YAMASAKI, Norihito KASADA, Yuto MURATA
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Abstract
The magnetic tape includes: a non-magnetic support; and a magnetic layer containing a ferromagnetic powder, and a magnetic tape cartridge and a magnetic tape apparatus include the magnetic tape. The number of recesses existing on a surface of the magnetic layer and having an equivalent circle diameter of 0.15 μm or more and 0.25 μm or less is 100 or more and 2500 or less per an area of 40 μm×40 μm. Standard deviation σ of the number of the recesses in a width direction of the surface of the magnetic layer is 100 or less.
Claims17
A magnetic tape comprising:
- a non-magnetic support;
- and
- a magnetic layer containing a ferromagnetic powder,
- wherein the number of recesses existing on a surface of the magnetic layer and having an equivalent circle diameter of 0.15 μm or more and 0.25 μm or less is 100 or more and 2500 or less per an area of 40 μm×40 μm, and
- standard deviation σ of the number of the recesses in a width direction of the surface of the magnetic layer is 100 or less.
2 more elements
Dependencies are inferred from the claim text.