公开(公告)号：US20220406501A1

公开(公告)日：2022-12-22

申请号：US17831665

申请日：2022-06-03

Applicant: TDK CORPORATION

Inventor： Yusuke TANIGUCHI ,  Junichi SEKI ,  Junichi SHIMAMURA

IPC: H01F1/28 ,  C08G59/24 ,  C08K9/02

Abstract: A dust core includes a binder and magnetic particles. The binder includes an epoxy resin. The magnetic particles are dispersed in the binder. The epoxy resin has at least two or more mesogenic skeletons between two epoxy bonds adjacent along a molecular chain.

公开(公告)号：US20230317336A1

公开(公告)日：2023-10-05

申请号：US18179450

申请日：2023-03-07

Applicant: TDK CORPORATION

Inventor： Junichi SEKI

IPC: H01F1/28 ,  H01F5/00 ,  H01F3/08

CPC classification number: H01F1/28 ,  H01F5/00 ,  H01F3/08

Abstract: A complex magnetic composition 10 includes a binder 14 including a bisphenol type epoxy resin with restricted molecular rotation and magnetic particles 12 bound together by the binder 14.