Invention Grant
- Patent Title: Mn ferrite powder, resin composition, electromagnetic wave shielding material, electronic material, and electronic component
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Application No.: US16967197Application Date: 2019-02-06
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Publication No.: US11952286B2Publication Date: 2024-04-09
- Inventor: Koji Aga , Takashi Kojima , Kazutaka Ishii , Tetsuya Igarashi , Sho Kuwahara
- Applicant: POWDERTECH CO., LTD.
- Applicant Address: JP Kashiwa
- Assignee: POWDERTECH CO., LTD.
- Current Assignee: POWDERTECH CO., LTD.
- Current Assignee Address: JP
- Agency: Foley & Lardner LLP
- Priority: JP 18023565 2018.02.13
- International Application: PCT/JP2019/004301 2019.02.06
- International Announcement: WO2019/159797A 2019.08.22
- Date entered country: 2020-08-04
- Main IPC: C01G49/00
- IPC: C01G49/00 ; C08K3/22 ; C08L29/04 ; H01F1/34 ; H01F1/37 ; H05K9/00
Abstract:
Provided are: an Mn ferrite powder characterized by including a plurality of ferrite particles, having a volume-average particle diameter of 1-10 μm, and having a 2.106 μm volume-based cumulative distribution (sieved) of 0.1-50.0 vol %; and a resin composition characterized by including said powder and a resin material.
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