Invention Grant
- Patent Title: Soft magnetic powder, Fe-based nanocrystalline alloy powder, magnetic component, and dust core
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Application No.: US17262204Application Date: 2019-07-25
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Publication No.: US11600414B2Publication Date: 2023-03-07
- Inventor: Naoki Yamamoto , Takuya Takashita , Makoto Nakaseko , Akio Kobayashi , Akiri Urata , Miho Chiba
- Applicant: JFE STEEL CORPORATION
- Applicant Address: JP Tokyo
- Assignee: JFE STEEL CORPORATION
- Current Assignee: JFE STEEL CORPORATION
- Current Assignee Address: JP Tokyo
- Agency: Kenja IP Law PC
- Priority: JPJP2018-144278 20180731
- International Application: PCT/JP2019/029302 WO 20190725
- International Announcement: WO2020/026949 WO 20200206
- Main IPC: H01F1/22
- IPC: H01F1/22 ; C22C45/02 ; H01F1/153 ; B22F9/24 ; B22F9/00 ; H01F3/08 ; H01F27/255 ; B22F1/07
Abstract:
Provided is a soft magnetic powder that can produce a dust core having excellent magnetic properties. The soft magnetic powder has a chemical composition, excluding inevitable impurities, represented by a composition formula of FeaSibBcPdCueMf, where the M is at least one element selected from the group consisting of Nb, Mo, Zr, Ta, W, Hf, Ti, V, Cr, Mn, C, Al, S, O, and N, 79 at %≤a≤84.5 at %, 0 at %≤b
Public/Granted literature
- US20210313101A1 SOFT MAGNETIC POWDER, FE-BASED NANOCRYSTALLINE ALLOY POWDER, MAGNETIC COMPONENT, AND DUST CORE Public/Granted day:2021-10-07
Information query
