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US 2019/0378540 A1Published application
Magnetic recording medium
AssigneeSony Corporation
InventorsNoboru SEKIGUCHI, Minoru YAMAGA
Life of this patent
Estimating the term…
Abstract
The average thickness tT of a magnetic recording medium meets the requirement that tT ≤5.5 [μm], and the dimensional change amount Δw in the width direction of the magnetic recording medium with respect to the tension change in the longitudinal direction of the magnetic recording medium meets the requirement that 700 ppm/N≤Δw.
Claims17
A magnetic recording medium,
- wherein an average thickness tT meets the requirement that tT≤5.5 [μm], and
- a dimensional change amount Δw in a width direction with respect to a tension change in a longitudinal direction meets the requirement that 700 [ppm/N]≤Δw.
Dependencies are inferred from the claim text.