Invention Grant
- Patent Title: Ferrite powder, resin composition, and molded body
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Application No.: US16496357Application Date: 2018-03-30
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Publication No.: US11521768B2Publication Date: 2022-12-06
- Inventor: Kazutaka Ishii , Koji Aga , Takao Sugiura , Takashi Kojima
- Applicant: POWDERTECH CO., LTD.
- Applicant Address: JP Kashiwa
- Assignee: POWDERTECH CO., LTD.
- Current Assignee: POWDERTECH CO., LTD.
- Current Assignee Address: JP Kashiwa
- Agency: Procopio, Cory, Hargreaves & Savitch LLP
- Priority: JPJP2017-073209 20170331
- International Application: PCT/JP2018/013991 WO 20180330
- International Announcement: WO2018/182021 WO 20181004
- Main IPC: H01F1/11
- IPC: H01F1/11 ; B29C41/08 ; G11B5/706 ; G11B5/714 ; H01F1/113
Abstract:
The ferrite powder of the present invention is a ferrite powder containing a plurality of ferrite particles, wherein the ferrite particles each are a single crystal body having an average particle diameter of 1-2,000 nm, and have a polyhedron shape, and wherein the ferrite particles each contain 2.0-10.0 mass % of Sr, and 55.0-70.0 mass % of Fe.
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