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公开(公告)号：EP3537460B1
公开(公告)日：2020-11-04
申请号：EP19161530.1
申请日：2019-03-08
申请人： TDK Corporation
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公开(公告)号：EP3581672A3
公开(公告)日：2020-03-11
申请号：EP19179062.5
申请日：2019-06-07
申请人： TDK Corporation
摘要： A soft magnetic alloy includes a composition of (Fe (1-(α+β)) X1 α X2 β ) (1-(a+b+c+d+e+f+g)) M a Ti b B c P d Si e S f C g . X1 is one or more of Co and Ni. X2 is one or more of Al, Mn, Ag, Zn, Sn, As, Sb, Cu, Cr, Bi, N, O, and rare earth elements. M is one or more of Nb, Hf, Zr, Ta, Mo, W, and V. 0.020≤ a+b ≤0.140, 0.001≤ b ≤0.140, 0.020
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公开(公告)号：EP3537459A1
公开(公告)日：2019-09-11
申请号：EP19161527.7
申请日：2019-03-08
申请人： TDK Corporation
发明人： NAKANO, Takuma , YOSHIDOME, Kazuhiro , MATSUMOTO, Hiroyuki , MORI, Satoko , TOKORO, Seigo , HORINO, Kenji
摘要： Soft magnetic metal powder (2) which includes a plurality of soft magnetic metal particles configured by a Fe-based nanocrystal alloy including Cu is provided, wherein the soft magnetic metal particles have core portions (2a) and first shell portions (2b) surrounding circumferences of the core portions (2a); when an average crystallite size of Cu crystallites existing in the core portions (2a) is set as A, and the largest crystallite size of Cu crystallites existing in the first shell portions (2b) is set as B, B/A is 3.0 or more and 1000 or less.
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公开(公告)号：EP3521457A1
公开(公告)日：2019-08-07
申请号：EP19154207.5
申请日：2019-01-29
申请人： TDK Corporation
发明人： YOSHIDOME, Kazuhiro , MATSUMOTO, Hiroyuki , HORINO, Kenji , HASEGAWA, Akito , GOTO, Syota , HOSONO, Masakazu , AMANO, Hajime , NAKAHATA, Isao
IPC分类号： C21D6/00
摘要： A soft magnetic alloy has a main component of Fe. The soft magnetic alloy contains P. A Fe-rich phase and a Fe-poor phase are contained. An average concentration of P in the Fe-poor phase is 1.5 times or larger than an average concentration of P in the soft magnetic alloy by number of atoms.
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公开(公告)号：EP3315629A1
公开(公告)日：2018-05-02
申请号：EP17199178.9
申请日：2017-10-30
申请人： TDK Corporation
发明人： HARADA, Akihiro , MATSUMOTO, Hiroyuki , HORINO, Kenji , YOSHIDOME, Kazuhiro , HASEGAWA, Akito , AMANO, Hajime , ARA, Kensuke , KOEDA, Masahito , TOKORO, Seigo
IPC分类号： C22C45/02 , H01F1/153 , B82Y25/00 , C22C33/02 , C22C38/00 , C22C38/18 , C22C38/32 , C22C38/16 , C22C38/20 , C22C38/26 , C22C38/28 , C22C38/42 , C22C38/48
CPC分类号： H01F1/15333 , B82Y25/00 , C22C33/02 , C22C38/00 , C22C38/005 , C22C38/20 , C22C38/26 , C22C38/28 , C22C38/32 , C22C38/42 , C22C38/48 , C22C45/02 , H01F1/15308 , H01F41/0226
摘要： A soft magnetic alloy including a composition having a formula of ((Fe (1-(α+β)) X1 α X2 β ) (1-(a+b+d+e)) M a ,B b Cr d Cu e ) 1 - f C f . X1 is one or more elements selected from a group of Co and Ni. X2 is one or more elements selected from a group of W, Al, Mn, Ag, Zn, Sn, As, Sb, Bi, N, O, and rare earth elements. M is one or more elements selected from a group of Nb, Hf, Zr, Ta, Ti, Mo, and V. 0.030 ≦ a ≦ 0.14, 0.028 ≦ b ≦ 0.15, 0.005 ≦ d ≦ 0.020, 0
摘要翻译： （（Fe（1-（α+β））X1αX2β）（1-（a + b + d + e））Ma，BbCrdCue）1-fCf的组成的软磁合金。 X1是选自Co和Ni的一种或多种元素。 X2是选自W，Al，Mn，Ag，Zn，Sn，As，Sb，Bi，N，O和稀土元素中的一种或多种元素。 M是选自Nb，Hf，Zr，Ta，Ti，Mo和V中的一种或多种元素。0.030≤a≤0.14,0.028≤b≤0.15,0.005≤d≤0.020,0
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公开(公告)号：EP3792940A1
公开(公告)日：2021-03-17
申请号：EP20204301.4
申请日：2019-03-08
申请人： TDK Corporation
发明人： HOSONO, Masakazu , MATSUMOTO, Hiroyuki , HORINO, Kenji , YOSHIDOME, Kazuhiro , NAKAHATA, Isao , HASEGAWA, Akito , AMANO, Hajime
摘要： A soft magnetic alloy powder includes a plurality of soft magnetic alloy particles of a soft magnetic alloy represented by a composition formula (Fe (1-(α+β)) X1 α X2 β ) (1-(a+b+c+d+e+f+g)) M a B b P c Si d C e S f Ti g , wherein X1 represents Co and/or Ni; X2 represents at least one selected from the 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 the group consisting of Nb, Hf, Zr, Ta, Mo, W, and V; 0.020≤a≤0.14, 0.020
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公开(公告)号：EP3355321B1
公开(公告)日：2020-04-08
申请号：EP18154186.3
申请日：2018-01-30
申请人： TDK Corporation
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公开(公告)号：EP3354759B1
公开(公告)日：2020-04-01
申请号：EP18154180.6
申请日：2018-01-30
申请人： TDK Corporation
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公开(公告)号：EP3581672A2
公开(公告)日：2019-12-18
申请号：EP19179062.5
申请日：2019-06-07
申请人： TDK Corporation
摘要： A soft magnetic alloy includes a composition of (Fe (1-(α+β)) X1 α X2 β ) (1-(a+b+c+d+e+f+g)) M a Ti b B c P d Si e S f C g . X1 is one or more of Co and Ni. X2 is one or more of Al, Mn, Ag, Zn, Sn, As, Sb, Cu, Cr, Bi, N, O, and rare earth elements. M is one or more of Nb, Hf, Zr, Ta, Mo, W, and V. 0.020≤ a+b ≤0.140, 0.001≤ b ≤0.140, 0.020
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公开(公告)号：EP3477664A1
公开(公告)日：2019-05-01
申请号：EP18198884.1
申请日：2018-10-05
申请人： TDK Corporation
发明人： HARADA, Akihiro , MATSUMOTO, Hiroyuki , HORINO, Kenji , YOSHIDOME, Kazuhiro , HASEGAWA, Akito , AMANO, Hajime , ARA, Kensuke , TOKORO, Seigo , HOSONO, Masakazu , NAKANO, Takuma , MORI, Satoko
IPC分类号： H01F1/153
摘要： A soft magnetic alloy contains a main component having a composition formula of (Fe (1-(α+β)) X1 α X2 β ) (1-(a+b+c+d)) M a B b P c C d and auxiliary components including at least Ti, Mn and Al. In the composition formula, X1 is one or more selected from the group consisting of Co and Ni, X2 is one or more selected from the group consisting of Ag, Zn, Sn, As, Sb, Bi and a rare earth element, and M is one or more selected from the group consisting of Nb, Hf, Zr, Ta, Mo, W and V. In the composition formula, 0.030 ≤ a ≤ 0.100, 0.050 ≤ b ≤ 0.150, 0
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