Invention Grant
- Patent Title: Hexagonal ferrite powder and magnetic recording medium
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Application No.: US14673282Application Date: 2015-03-30
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Publication No.: US09741382B2Publication Date: 2017-08-22
- Inventor: Yoichi Hosoya
- Applicant: FUJIFILM Corporation
- Applicant Address: JP Tokyo
- Assignee: FUJIFILM Corporation
- Current Assignee: FUJIFILM Corporation
- Current Assignee Address: JP Tokyo
- Agency: Sughrue Mion, PLLC
- Priority: JP2014-074718 20140331; JP2015-069177 20150330
- Main IPC: G11B5/708
- IPC: G11B5/708 ; G11B5/706 ; C01G49/00 ; H01F1/11
Abstract:
An aspect of the present invention relates to hexagonal ferrite powder, which comprises equal to or more than 70% on a particle number basis of isotropic hexagonal ferrite particles satisfying equation (1): major axis length/minor axis length
Public/Granted literature
- US20150279408A1 HEXAGONAL FERRITE POWDER AND MAGNETIC RECORDING MEDIUM Public/Granted day:2015-10-01
Information query
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