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US 2019/0096436 A1Published application
Magnetic recording medium for microwave-assisted recording, magnetic recording device, and manufacturing method of magnetic recording medium
AssigneeFUJIFILM Corporation
InventorEiki OZAWA
Life of this patent
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Abstract
Provided is a magnetic recording medium, which is a magnetic recording medium for microwave-assisted recording and includes a non-magnetic support; and a magnetic layer including a ferromagnetic powder and a binding agent on the non-magnetic support, in which the magnetic layer shows a natural ferromagnetic resonance frequency equal to or greater than 30.0 GHz and an anisotropic magnetic field distribution equal to or smaller than 35%.
Claims16
A magnetic recording medium,
- which is a magnetic recording medium for microwave-assisted recording and comprises:
- a non-magnetic support;
- and
- a magnetic layer including a ferromagnetic powder and a binding agent on the non-magnetic support,
- wherein the magnetic layer shows a natural ferromagnetic resonance frequency equal to or greater than 30.0 GHz and an anisotropic magnetic field distribution equal to or smaller than 35%.
2 more elements
A magnetic recording device comprising:
- a magnetic recording medium;
- and
- a magnetic head for microwave-assisted recording,
- wherein the magnetic recording medium includes a magnetic layer including a ferromagnetic powder and a binding agent on a non-magnetic support, and
- the magnetic layer shows a natural ferromagnetic resonance frequency equal to or greater than 30.0 GHz and an anisotropic magnetic field distribution equal to or smaller than 35%.
2 more elements
Dependencies are inferred from the claim text.