公开(公告)号：US11081266B2

公开(公告)日：2021-08-03

申请号：US16296559

申请日：2019-03-08

Applicant: TDK CORPORATION

Inventor： Masakazu Hosono ,  Hiroyuki Matsumoto ,  Kenji Horino ,  Kazuhiro Yoshidome ,  Isao Nakahata ,  Akito Hasegawa ,  Hajime Amano

IPC: H01F3/00 ,  H01F1/153 ,  H01F1/147 ,  H01F27/24 ,  H01F1/33 ,  H01F3/08 ,  H01F1/26 ,  H01F1/24 ,  H01F41/02

Abstract: Soft magnetic alloy powder includes plurality of soft magnetic alloy particles of soft magnetic alloy represented by composition formula (Fe(1−(α+β))X1αX2β)(1−(a+b+c++e+f+g))MaBbPcSidCeSfTig, wherein X1 represents Co and/or Ni; X2 represents at least one selected from group consisting of Al, Mn, Ag, Zn, Sn, As, Sb, Cu, Cr, Bi, N, O, and rare earth elements; M represents at least one selected from group consisting of Nb, Hf, Zr, Ta, Mo, W, and V; 0.020≤a≤0.14, 0.020

公开(公告)号：US20180286550A1

公开(公告)日：2018-10-04

申请号：US15924847

申请日：2018-03-19

Applicant: TDK CORPORATION

Inventor： Isao Nakahata ,  Mitsuhiro Matsuhashi

IPC: H01F3/04 ,  H01F41/02 ,  H01F1/14 ,  H02J50/10

Abstract: A soft magnetic ribbon for a magnetic core segmented into small pieces includes: an inductance priority region having a first average crack interval; and an eddy current suppression priority region having a second average crack interval, in which the first and second average crack intervals are different from each other.