公开(公告)号：US20240234002A9

公开(公告)日：2024-07-11

申请号：US17969832

申请日：2022-10-20

Applicant: TDK CORPORATION

Inventor： Riku UMEKI ,  Kiyofumi FUJIWARA ,  Koki MURATA ,  Youli YAO

IPC: H01F17/04 ,  H01F27/28

CPC classification number: H01F17/045 ,  H01F27/2828

Abstract: A coil device including a first conductor, a second conductor located inside the first conductor, a first inner core located inside the second conductor, and a second inner core located between the first conductor and the second conductor.

公开(公告)号：US20240136101A1

公开(公告)日：2024-04-25

申请号：US17969832

申请日：2022-10-19

Applicant: TDK CORPORATION

Inventor： Riku UMEKI ,  Kiyofumi FUJIWARA ,  Koki MURATA ,  Youli YAO

IPC: H01F17/04 ,  H01F27/28

CPC classification number: H01F17/045 ,  H01F27/2828

Abstract: A coil device including a first conductor, a second conductor located inside the first conductor, a first inner core located inside the second conductor, and a second inner core located between the first conductor and the second conductor.