公开(公告)号：US20240243476A1

公开(公告)日：2024-07-18

申请号：US18686603

申请日：2022-08-15

Applicant: TODA KOGYO CORP.

Inventor： Satoshi OHMAE ,  Tetsuya KIMURA ,  Akihiro OHASHI

IPC: H01Q7/06 ,  H01F1/34 ,  H01F38/14

CPC classification number: H01Q7/06 ,  H01F1/34 ,  H01F38/14

Abstract: A ferrite sheet includes a substrate, a sintered ferrite plate provided on a surface of the substrate via an adhesive layer, and a protective layer provided on a surface of the sintered ferrite plate. The protective layer includes at least one groove that extends to at least the sintered ferrite plate and does not extend to a surface of the substrate that is not in contact with the adhesive layer.