公开(公告)号：US20190333665A1

公开(公告)日：2019-10-31

申请号：US16504787

申请日：2019-07-08

Applicant: Alps Alpine Co., Ltd.

Inventor： Satoshi MARUYAMA ,  Masao MATSUI

IPC: H01F1/26 ,  H01F27/255 ,  H01F41/02 ,  H01F1/147 ,  H01F1/153 ,  H01F27/29 ,  H01F3/08 ,  C22C38/00

Abstract: A powder core includes a compact including a soft magnetic powder, and an outer coating of the compact. The outer coating contains polyethersulfone. An electric or electronic component including the powder core, and an electric or electronic device having the electric or electronic component mounted therein are also provided.