公开(公告)号：US20240212901A1

公开(公告)日：2024-06-27

申请号：US18287055

申请日：2022-03-23

申请人： Magnetec GmbH

发明人： Thomas Wentzlik

IPC分类号： H01F1/153 ,  H01F41/02

CPC分类号： H01F1/15308 ,  H01F1/15333 ,  H01F41/0246

摘要： The invention relates to a magnetic field-sensitive component, said magnetic field-sensitive component having particles of a soft magnetic material. In this manner, a magnetic field-sensitive component with a shape that is as flexible as possible can be achieved with a particularly low coercive field strength and a particularly high saturation flux density. By virtue of the design of magnetic field-sensitive component, the effective permeability is reduced and the saturation field strength can thereby be advantageously increased. Overall, a particularly good thermal stability of the magnetic field-sensitive component is thereby produced. The invention additionally relates to a method for producing a magnetic field-sensitive component and to the use of the magnetic field-sensitive component.

公开(公告)号：US11770022B2

公开(公告)日：2023-09-26

申请号：US17751658

申请日：2022-05-23

申请人： Shenzhen YN Tech Co., Ltd.

发明人： Kevin Li ,  James Wang ,  Jeff Zhang ,  Danny Ma ,  Lavin Li ,  Terrence Zeng

IPC分类号： H01F27/36 ,  H01F1/153 ,  C22C45/02 ,  H02J50/10 ,  H02J50/70

CPC分类号： H02J50/10 ,  C22C45/02 ,  H01F1/15308 ,  H01F1/15333 ,  H01F1/15341 ,  H01F27/36 ,  H02J50/70

摘要： A nanocrystalline magnetic conductive sheet for wireless charging and a preparation method therefor are provided. The nanocrystalline magnetic conductive sheet includes a composition of Fe(100-x-y-z-α-β-γ)MxCuyM′zSiαBβXγ, saturation magnetic induction is greater than or equal to 1.25T. The preparation method includes preparing an alloy with a preset composition of into an alloy strip with an initial state of amorphousness by a single roll rapid quenching method, annealing an amorphous alloy strip according to a preset annealing process, to obtain a nanocrystalline strip, performing a magnetic fragmentation process on the nanocrystalline strip, to obtain the nanocrystalline magnetic conductive sheet for wireless charging.

公开(公告)号：US11705259B2

公开(公告)日：2023-07-18

申请号：US17036447

申请日：2020-09-29

申请人： TDK CORPORATION

发明人： Masahito Koeda ,  Kazuhiro Yoshidome ,  Hiroyuki Matsumoto

IPC分类号： H01F3/08 ,  H01F1/153 ,  H01F1/24

CPC分类号： H01F3/08 ,  H01F1/15333 ,  H01F1/24

摘要： According to an aspect, a soft magnetic metal powder includes a plurality of soft magnetic metal particles containing iron, a surface of each of the soft magnetic metal particles is covered with a coating part, and a maximum height Sz of a surface of the coating part is 10 to 700 nm. According to another aspect, a soft magnetic metal powder includes a plurality of soft magnetic metal particles containing iron, a surface of each of the soft magnetic metal particles is covered with a coating part, and a maximum height Rz of a surface of the coating part is 10 to 700 nm.

公开(公告)号：US20230207167A1

公开(公告)日：2023-06-29

申请号：US18071199

申请日：2022-11-29

申请人： SAMSUNG ELECTRO-MECHANICS CO., LTD.

发明人： Jong Ok JEON ,  Jeong Ho LIM ,  Hyo Ki HONG ,  Il Jin PARK ,  Young Seuck YOO ,  In Young KANG

IPC分类号： H01F1/153 ,  B22F1/054 ,  B22F1/16

CPC分类号： H01F1/15333 ,  B22F1/054 ,  B22F1/16 ,  B22F2301/35 ,  B22F2302/25 ,  B22F2304/054 ,  B22F2304/056 ,  B22F2304/058 ,  C22C38/18

摘要： A magnetic particle includes a magnetic metal particle, and an oxide film formed on a surface of the magnetic metal particle, wherein the magnetic metal particle includes a single crystalline zone containing an Fe component, and the oxide film includes an amorphous zone containing an Fe component. The single crystalline zone may include an α-Fe phase.

公开(公告)号：US20190237229A1

公开(公告)日：2019-08-01

申请号：US16260715

申请日：2019-01-29

申请人： TDK CORPORATION

发明人： Kazuhiro YOSHIDOME ,  Hiroyuki MATSUMOTO ,  Kenji HORINO ,  Akito HASEGAWA ,  Syota GOTO ,  Masakazu HOSONO ,  Hajime AMANO ,  Isao NAKAHATA

IPC分类号： H01F1/147 ,  C22C38/12 ,  C22C38/00 ,  B22D23/00 ,  C21D9/52 ,  C21D6/00

CPC分类号： H01F1/14733 ,  B22D23/003 ,  B22F1/00 ,  B22F3/00 ,  C21D1/26 ,  C21D1/30 ,  C21D6/00 ,  C21D6/001 ,  C21D6/007 ,  C21D6/008 ,  C21D8/1255 ,  C21D9/46 ,  C21D9/52 ,  C21D2201/03 ,  C22C33/02 ,  C22C33/0214 ,  C22C33/0257 ,  C22C33/0264 ,  C22C33/0271 ,  C22C33/0278 ,  C22C33/0285 ,  C22C38/002 ,  C22C38/005 ,  C22C38/02 ,  C22C38/08 ,  C22C38/10 ,  C22C38/105 ,  C22C38/12 ,  C22C38/16 ,  C22C38/40 ,  C22C38/52 ,  C22C45/008 ,  C22C45/02 ,  C22C45/04 ,  C22C2200/02 ,  C22C2200/04 ,  C22C2202/02 ,  H01F1/147 ,  H01F1/14716 ,  H01F1/14766 ,  H01F1/14775 ,  H01F1/14791 ,  H01F1/15308 ,  H01F1/15333

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.

公开(公告)号：US20190221342A1

公开(公告)日：2019-07-18

申请号：US16244633

申请日：2019-01-10

申请人： TDK CORPORATION

发明人： Kazuhiro YOSHIDOME ,  Akihiro HARADA ,  Hiroyuki MATSUMOTO ,  Kenji HORINO ,  Akito HASEGAWA ,  Kensuke ARA ,  Hajime AMANO ,  Masakazu HOSONO

IPC分类号： H01F1/153 ,  H01F1/147

CPC分类号： H01F1/15308 ,  C22C38/42 ,  C22C45/02 ,  H01F1/147 ,  H01F1/153 ,  H01F1/15333 ,  H01F41/02 ,  H01F41/0226 ,  H01F41/0246

摘要： A soft magnetic alloy includes a main component of (Fe(1−(α+β))X1αX2β)(1−(a+b+c+d+e))MaBbPcSidCe. 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≤0.14 is satisfied. 0.020

公开(公告)号：US20190172617A1

公开(公告)日：2019-06-06

申请号：US16189167

申请日：2018-11-13

申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA

发明人： Kiyotaka ONODERA

IPC分类号： H01F1/153 ,  C22C38/16 ,  C22C33/00 ,  C22C45/02

CPC分类号： H01F1/15308 ,  B32B15/013 ,  B32B15/015 ,  C22C33/003 ,  C22C38/16 ,  C22C45/02 ,  H01F1/15333

摘要： It is an object of the present disclosure to produce a soft magnetic material having high saturation magnetization by heat-treating a Fe-based amorphous alloy, without needing the control of the atmosphere.The present disclosure provides a method for producing a soft magnetic material, comprising heat treating a Fe-based amorphous alloy in a state in which the alloy is wrapped with a sheet comprising one or more substances having a standard Gibbs energy of formation of an oxide thereof that is larger in a negative direction than Fe, to form a crystal phase.

公开(公告)号：US20180358846A1

公开(公告)日：2018-12-13

申请号：US15765155

申请日：2016-01-20

申请人： Mitsubishi Electric Corporation

发明人： Kazuhiko BABA ,  Masahiro NIGO

IPC分类号： H02K1/02 ,  H02K1/14 ,  H02K1/27 ,  H02K7/14 ,  H02K21/16 ,  H01F1/153 ,  H01F1/057 ,  C22C38/02 ,  C22C38/00 ,  F04C29/00 ,  F25B31/02

CPC分类号： H02K1/02 ,  C22C38/005 ,  C22C38/02 ,  C22C2202/02 ,  F04C23/008 ,  F04C29/0085 ,  F04C2240/40 ,  F25B31/02 ,  H01F1/057 ,  H01F1/15333 ,  H02K1/148 ,  H02K1/276 ,  H02K7/14 ,  H02K21/14 ,  H02K21/16

摘要： A motor includes a stator core, a rotor core that is disposed on an inner side of the stator core and has a plurality of magnet holes arrayed in a circumferential direction, and a plurality of permanent magnets respectively disposed in the magnet holes. The stator core is constructed by a plurality of plates formed from a first magnetic material, each of which has a first thickness. The rotor core is constructed by a plurality of plates formed from a second magnetic material, each of which has a second thickness. The first thickness is smaller than the second thickness, and a silicon content rate of the first soft magnetic material is larger than a silicon content rate of the second soft magnetic material.

公开(公告)号：US20180171444A1

公开(公告)日：2018-06-21

申请号：US15808952

申请日：2017-11-10

申请人： SAMSUNG ELECTRO-MECHANICS CO., LTD.

发明人： Sang Kyun KWON ,  Chang Ryul JUNG ,  Jong Ho CHUNG ,  Jung Young CHO

IPC分类号： C22C38/16 ,  C22C38/12 ,  C22C38/02 ,  C21D6/00 ,  H01F27/245 ,  H01F38/14 ,  H01F27/28 ,  H02J7/02 ,  H01F1/147

CPC分类号： C22C38/16 ,  C21D6/008 ,  C22C38/02 ,  C22C38/12 ,  C22C2200/04 ,  C22C2202/02 ,  H01F1/14775 ,  H01F1/15308 ,  H01F1/15333 ,  H01F27/245 ,  H01F27/2823 ,  H01F27/365 ,  H01F38/14 ,  H02J7/025

摘要： An Fe-based nanocrystalline alloy is represented by a Compositional Formula, FexBySizMαAβ, wherein M is one or more elements selected from the group consisting of Nb, V, W, Ta, Zr, Hf, Ti, and Mo; A is one or more elements selected from the group consisting of Cu and Au, x, y, z, α, and β (based on atom %) satisfy the following conditions: 75%≤x≤81%, 7%≤y≤13%, and 4%≤z≤12%, and a peak in a differential scanning calorimetry (DSC) graph has a bimodal shape.

公开(公告)号：US09850562B2

公开(公告)日：2017-12-26

申请号：US15054446

申请日：2016-02-26

申请人： TOKIN CORPORATION ,  Tohoku Magnet Institute Co., Ltd

发明人： Akiri Urata ,  Yasunobu Yamada ,  Hiroyuki Matsumoto ,  Shigeyoshi Yoshida ,  Akihiro Makino

IPC分类号： C22C45/02 ,  C21D6/00 ,  C22C33/00 ,  H01F1/153 ,  B22F1/00

CPC分类号： C22C45/02 ,  B22F1/0044 ,  B22F1/0048 ,  C21D6/00 ,  C21D2201/03 ,  C22C33/003 ,  H01F1/15308 ,  H01F1/15333

摘要： An Fe-based nano-crystalline alloy formed from an alloy composition of (FeE)(100-X-Y-Z)BXPYCuZ having an amorphous phase as a main phase, wherein 79≦100-X-Y-Z≦86 atomic %, 4≦X≦9 atomic %, 1≦Y≦10 atomic %, and 0.5≦Z