Invention Grant
- Patent Title: Magnetic recording medium for microwave-assisted recording, magnetic recording device, and manufacturing method of magnetic recording medium
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Application No.: US16121799Application Date: 2018-09-05
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Publication No.: US10657996B2Publication Date: 2020-05-19
- Inventor: Eiki Ozawa
- Applicant: FUJIFILM Corporation
- Applicant Address: JP Tokyo
- Assignee: FUJIFILM Corporation
- Current Assignee: FUJIFILM Corporation
- Current Assignee Address: JP Tokyo
- Agency: Sughrue Mion, PLLC
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@470e0798
- Main IPC: G11B5/84
- IPC: G11B5/84 ; G11B5/584 ; G11B5/78 ; G11B5/70 ; G11B5/00

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%.
Public/Granted literature
Information query
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