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US 2017/0249966 A1Published application
Magnetic recording medium
AssigneeSony Corporation
InventorsJunichi TACHIBANA, Tetsuo ENDO, Tomoe OZAKI, Hikaru TERUI
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Abstract
A magnetic recording medium includes a long-shaped base substrate having flexibility, a soft magnetic layer, and a magnetic recording layer. A squareness ratio in a longitudinal direction of the base substrate is equal to or less than a squareness ratio in a short-side direction of the base substrate. The squareness ratio in the longitudinal direction of the base substrate is 30% or less.
Claims19
A magnetic recording medium comprising a long-shaped base substrate having flexibility, a soft magnetic layer, and a magnetic recording layer, wherein
- a squareness ratio in a longitudinal direction of the base substrate is equal to or less than a squareness ratio in a short-side direction of the base substrate, and
- the squareness ratio in the longitudinal direction of the base substrate is 30% or less.
Dependencies are inferred from the claim text.