公开(公告)号：US20240136094A1

公开(公告)日：2024-04-25

申请号：US18277841

申请日：2022-02-18

Applicant: LG Innotek Co., LTD.

Inventor： Seung Eun LEE ,  Ji Chang RYU ,  Jung Ki LEE

IPC: H01F1/147 ,  C22C38/00 ,  C22C38/02

CPC classification number: H01F1/14766 ,  C22C38/002 ,  C22C38/02 ,  C22C2202/02

Abstract: A magnetic core according to one embodiment of the present invention includes a material formed of iron (Fe)-silicon (Si)-boron (B), wherein a mass percentage of Fe in a first surface, which is an upper surface, is different from a mass percentage of Fe in a second surface which is a side surface, and a ratio of the mass percentage of Fe in the first surface to a difference between the mass percentage of Fe in the first surface and the mass percentage of Fe in the second surface is in the range of 6 to 21.

公开(公告)号：US20240233989A9

公开(公告)日：2024-07-11

申请号：US18277841

申请日：2022-02-18

Applicant: LG Innotek Co., LTD.

Inventor： Seung Eun LEE ,  Ji Chang RYU ,  Jung Ki LEE

IPC: H01F1/147 ,  C22C38/00 ,  C22C38/02

CPC classification number: H01F1/14766 ,  C22C38/002 ,  C22C38/02 ,  C22C2202/02

Abstract: A magnetic core according to one embodiment of the present invention includes a material formed of iron (Fe)-silicon (Si)-boron (B), wherein a mass percentage of Fe in a first surface, which is an upper surface, is different from a mass percentage of Fe in a second surface which is a side surface, and a ratio of the mass percentage of Fe in the first surface to a difference between the mass percentage of Fe in the first surface and the mass percentage of Fe in the second surface is in the range of 6 to 21.