Invention Application
US20150093600A1 FERROMAGNETIC HEXAGONAL FERRITE POWDER, METHOD OF MANUFACTURING THE SAME, AND MAGNETIC RECORDING MEDIUM
有权
FERROMAGNETIC HEXAGONAL FERRITE POWDER，其制造方法和磁记录介质
- Patent Title: FERROMAGNETIC HEXAGONAL FERRITE POWDER, METHOD OF MANUFACTURING THE SAME, AND MAGNETIC RECORDING MEDIUM
- Patent Title (中): FERROMAGNETIC HEXAGONAL FERRITE POWDER，其制造方法和磁记录介质
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Application No.: US14499679Application Date: 2014-09-29
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Publication No.: US20150093600A1Publication Date: 2015-04-02
- Inventor: Yoichi HOSOYA
- Applicant: FUJIFILM CORPORATION
- Applicant Address: JP Tokyo
- Assignee: FUJIFILM CORPORATION
- Current Assignee: FUJIFILM CORPORATION
- Current Assignee Address: JP Tokyo
- Priority: JP2013-204843 20130930; JP2014-198175 20140929
- Main IPC: G11B5/706
- IPC: G11B5/706 ; C01G49/00
Abstract:
An aspect of the present invention relates to ferromagnetic hexagonal ferrite powder, the average particle size of which is equal to or less than 20 nm, and which comprises, on a particle number basis, equal to or more than 50% of ellipsoid hexagonal ferrite powders satisfying relation (1): 1.2
Public/Granted literature
- US09502066B2 Ferromagnetic hexagonal ferrite powder, method of manufacturing the same, and magnetic recording medium Public/Granted day:2016-11-22
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