公开(公告)号：US20240347242A1

公开(公告)日：2024-10-17

申请号：US18588880

申请日：2024-02-27

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Seongjae Lee ,  Jongho Chung ,  Jihoon Hwang ,  Jihye Kim ,  Byung Soo Kang ,  Chin Mo Kim

IPC: H01F1/153 ,  H01F27/245

CPC classification number: H01F1/15308 ,  H01F1/15316 ,  H01F1/15333 ,  H01F27/245

Abstract: Soft magnetic alloy particles according to the present disclosure include nanocrystals and amorphous phase and Fe (iron) and Ge (germanium). An average content of Ge in the amorphous phase is Ge(a) (at %) and an average content of Ge in the nanocrystal is Ge(c) (at %), and Ge(a)−Ge(c)>0.

公开(公告)号：US20250153243A1

公开(公告)日：2025-05-15

申请号：US18903547

申请日：2024-10-01

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Sangkyun Kwon ,  Jihye Kim ,  Jongho Chung ,  Iljin Park

IPC: B22F1/16 ,  H01F1/153 ,  H01F27/29

Abstract: A soft magnetic alloy powder includes a core including an amorphous phase Fe—Co alloy or a Fe—Co alloy in which an amorphous phase and a nanocrystalline phase are mixed and a first coating layer disposed to surround the core and including a Co oxide, wherein Co is included in an amount of 5 atom % to 25 atom % in the entire Fe—Co alloy, and an amorphous rate of the soft magnetic alloy powder is 95% or more.

公开(公告)号：US20240355517A1

公开(公告)日：2024-10-24

申请号：US18606566

申请日：2024-03-15

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Seongjae Lee ,  Jongho Chung ,  Jihoon Hwang ,  Jihye Kim ,  Byung Soo Kang ,  Chin Mo Kim

IPC: H01F1/153 ,  H01F27/245 ,  H01F27/29

CPC classification number: H01F1/15308 ,  H01F1/15333 ,  H01F1/15341 ,  H01F27/245 ,  H01F27/29

Abstract: A soft magnetic alloy material includes nanocrystals and amorphous phase and includes Fe (iron), Co (cobalt), and P (phosphorus), wherein the soft magnetic alloy material is represented by Composition Formula 1, when an average content of Co in the amorphous phase is Co(a) (at %) and an average content of Co in the nanocrystal, Co(c)−Co(a)>0, Composition Formula 1: FeaCobPcMd, in Composition Formula 1, a, b, c, and d represent an atomic percentage content (at %) of corresponding elements, respectively, 0