Invention Grant
- Patent Title: Ferrite magnetic material
- Patent Title (中): 铁氧体磁性材料
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Application No.: US14456325Application Date: 2014-08-11
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Publication No.: US09336933B2Publication Date: 2016-05-10
- Inventor: Junichi Nagaoka , Takahiro Mori , Hiroyuki Morita , Yoshihiko Minachi
- Applicant: TDK Corporation
- Applicant Address: JP Tokyo
- Assignee: TDK Corporation
- Current Assignee: TDK Corporation
- Current Assignee Address: JP Tokyo
- Agency: Drinker Biddle & Reath LLP
- Priority: JP2009-161930 20090708
- Main IPC: H01F1/11
- IPC: H01F1/11 ; C01G49/00 ; H01F1/10 ; C01G51/00 ; C04B35/26 ; C04B35/626 ; C04B35/632
Abstract:
An object of the present invention is to provide a ferrite magnetic material which can provide a permanent magnet retaining high Br and HcJ as well as having high Hk/HcJ. The ferrite magnetic material according to a preferred embodiment is a ferrite magnetic material formed of hard ferrite, wherein a P content in terms of P2O5 is 0.001% by mass or more.
Public/Granted literature
- US20140361214A1 FERRITE MAGNETIC MATERIAL Public/Granted day:2014-12-11
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