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公开(公告)号：US12080458B2
公开(公告)日：2024-09-03
申请号：US16291100
申请日：2019-03-04
IPC分类号： H01F1/24 , B22F1/068 , B22F1/08 , B22F1/102 , B22F1/16 , B22F3/02 , B22F3/24 , C21D6/00 , C21D8/02 , C21D9/52 , C22C38/10 , H01F1/147 , H01F1/28
CPC分类号： H01F1/24 , B22F1/068 , B22F1/08 , B22F1/102 , B22F1/16 , H01F1/14741 , B22F3/02 , B22F3/24 , C21D6/007 , C21D6/008 , C21D8/0205 , C21D8/0247 , C21D9/52 , C22C38/10 , H01F1/28 , B22F2999/00 , B22F1/068 , B22F1/08 , C22C49/00 , B22F2202/05 , B22F7/064 , B22F7/08 , C22C2202/02
摘要： The magnetic composite material of the embodiments is a magnetic composite material that includes a magnetic material having a plane at the surface; and a plate-shaped reinforcing material, the magnetic material having a plurality of magnetic bodies having a planar structure and having a magnetic metal phase containing at least one first element selected from the group consisting of iron (Fe), cobalt (Co), and nickel (Ni), and principal surfaces; and an intercalated phase containing at least one second element selected from the group consisting of oxygen (O), carbon (C), nitrogen (N), and fluorine (F). In the magnetic composite material, the principal surfaces are oriented to be approximately parallel to the plane and have the difference in coercivity on the basis of direction within the plane.
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2.发明授权公开(公告)号：US12049686B2
公开(公告)日：2024-07-30
申请号：US18195474
申请日：2023-05-10
CPC分类号： C22C38/02 , B22F1/068 , B22F3/02 , C22C38/10 , H01F1/14741 , H01F1/24 , B22F1/08 , B22F2207/11 , B22F2207/20 , B22F2304/00 , B22F2304/05
摘要： Flaky magnetic metal particles of embodiments each have a flat surface and a magnetic metal phase containing iron (Fe), cobalt (Co), and silicon (Si). An amount of Co is from 0.001 at % to 80 at % with respect to the total amount of Fe and Co. An amount of Si is from 0.001 at % to 30 at % with respect to the total amount of the magnetic metal phase. The flaky magnetic metal particles have an average thickness of from 10 nm to 100 μm. An average value of the ratio of the average length in the flat surface with respect to a thickness in each of the flaky magnetic metal particles is from 5 to 10,000. The flaky magnetic metal particles have the difference in coercivity on the basis of direction within the flat surface.
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公开(公告)号：US11870300B2
公开(公告)日：2024-01-09
申请号：US17002811
申请日：2020-08-26
CPC分类号： H02K1/02 , B22F1/068 , H01F1/14741 , H01F3/08 , B22F1/05 , B22F1/08 , B22F1/16 , B22F2998/10 , B22F1/068 , B22F1/10 , B22F3/02
摘要： A pressed powder material of the embodiments is a pressed powder material including: a plurality of flaky magnetic metal particles, each flaky magnetic metal particle having a flat surface and a magnetic metal phase containing at least one first element selected from the group consisting of Fe, Co, and Ni, the flaky magnetic metal particles having an average thickness of from 10 nm to 100 μm and an average value of the ratio of the average length in the flat surface to the thickness of from 5 to 10,000; and an intercalated phase existing between the flaky magnetic metal particles and containing at least one second element selected from the group consisting of oxygen (O), carbon (C), nitrogen (N), and fluorine (F), in which the pressed powder material includes a plane, and in which the pressed powder material includes, in a predetermined cross-section perpendicular to the flat surfaces, a void site at the boundary part between the flat surface of a flaky magnetic metal particle and the intercalated phase in contact with the flat surface, and the ratio of the length of the void site is 20% or less with respect to the length of the flat surface.
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公开(公告)号：US11258327B2
公开(公告)日：2022-02-22
申请号：US16274372
申请日：2019-02-13
摘要： The magnetic wedge of embodiments is a magnetic wedge used for a rotating electrical machine and includes magnetic bodies having a planar structure having a principal plane. The principal planes of the magnetic bodies are disposed approximately perpendicularly to the air-gap surface between a stator and a rotor of a rotating electrical machine. The magnetic bodies have differences in the axial direction magnetic permeability in the axial direction of the rotating electrical machine, the rotational direction magnetic permeability in the direction of rotation, and the diametric direction magnetic permeability in the direction of the diameter.
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公开(公告)号：US09997289B2
公开(公告)日：2018-06-12
申请号：US14842163
申请日：2015-09-01
IPC分类号： H01F1/28 , H01F1/24 , H01F1/37 , H01F27/255 , H01F41/02
CPC分类号： H01F27/255 , H01F1/28 , H01F1/37 , H01F41/0246
摘要： Provided is a magnetic material including a plurality of flat particles containing a magnetic metal, and a matrix phase disposed around the flat particles and having higher electrical resistance than the flat particles. In a cross-section of the magnetic material, the aspect ratio of the flat particles is 10 or higher. If the major axis of one of the flat particles is designated as L and the length of a straight line connecting two endpoints of the flat particle is designated as W, the proportion of the area surrounded by the outer peripheries of parts in which flat particles satisfying the relationship: W ≤0.95×L are continuously laminated, is 10% or more of the cross-section.
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公开(公告)号：US09450312B2
公开(公告)日：2016-09-20
申请号：US14480773
申请日：2014-09-09
CPC分类号： H01Q17/004 , Y10T428/12014
摘要： A magnetic metal particle aggregate includes a plurality of magnetic metal particles including at least one magnetic metal selected from a first group consisting of Fe, Co, and Ni. The plurality of magnetic metal particles are partly bound with each other, and an average particle diameter of the plurality of magnetic metal particles is 10 nm or more and 50 nm or less. The magnetic metal particle aggregate has an average particle diameter of 15 nm or more and 200 nm or less.
摘要翻译： 磁性金属颗粒聚集体包括多个包含选自由Fe，Co和Ni构成的第一组中的至少一种磁性金属的磁性金属颗粒。 多个磁性金属粒子彼此部分结合，多个磁性金属粒子的平均粒径为10nm以上且50nm以下。 磁性金属粒子聚集体的平均粒径为15nm以上且200nm以下。
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7.发明授权Magnetic material, method for producing magnetic material, and inductor element 有权磁性材料，磁性材料的制造方法以及电感元件公开(公告)号：US09362033B2
公开(公告)日：2016-06-07
申请号：US14330686
申请日：2014-07-14
发明人： Tomohiro Suetsuna , Seiichi Suenaga , Toshihide Takahashi , Tomoko Eguchi , Koichi Harada , Yasuyuki Hotta
IPC分类号： B22F1/02 , H01F1/01 , H01F1/24 , H01F1/33 , C22C29/12 , C22C32/00 , H01F41/00 , H01F1/153 , H01F41/02 , B22F1/00 , B82Y25/00 , B82Y30/00 , B82Y40/00
CPC分类号： H01F1/01 , B22F1/0018 , B22F1/02 , B22F2998/10 , B82Y25/00 , B82Y30/00 , B82Y40/00 , C22C29/12 , C22C32/001 , H01F1/153 , H01F1/15333 , H01F1/24 , H01F1/33 , H01F41/005 , H01F41/0246 , Y10S977/774 , Y10S977/778 , Y10S977/81 , Y10S977/838 , Y10S977/89 , Y10T428/12181 , Y10T428/2991 , Y10T428/325 , B22F1/0003 , C22C1/1084 , C22C1/1094
摘要： A magnetic material is disclosed, which includes magnetic particles containing at least one magnetic metal selected from the group including Fe, Co and Ni, and at least one non-magnetic metal selected from Mg, Al, Si, Ca, Zr, Ti, Hf, Zn, Mn, rare earth elements, Ba and Sr; a first coating layer of a first oxide that covers at least a portion of the magnetic particles; oxide particles of a second oxide that is present between the magnetic particles and constitutes an eutectic reaction system with the first oxide; and an oxide phase that is present between the magnetic particles and has an eutectic structure of the first oxide and the second oxide.
摘要翻译： 公开了一种磁性材料，其包括含有选自Fe，Co和Ni中的至少一种磁性金属和选自Mg，Al，Si，Ca，Zr，Ti，Hf中的至少一种非磁性金属的磁性颗粒 ，Zn，Mn，稀土元素，Ba和Sr; 覆盖至少一部分磁性颗粒的第一氧化物的第一涂层; 存在于磁性颗粒之间并与第一氧化物构成共晶反应体系的第二氧化物的氧化物颗粒; 以及存在于磁性粒子之间并具有第一氧化物和第二氧化物的共晶结构的氧化物相。
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公开(公告)号：US12104230B2
公开(公告)日：2024-10-01
申请号：US17466784
申请日：2021-09-03
CPC分类号： C22C38/10 , B22F1/05 , C22C38/02 , H02K1/02 , B22F2301/35 , B22F2304/10 , C22C2202/02
摘要： A pressed powder material according to embodiments is a pressed powder material including first magnetic metal particles having a first magnetic metal phase containing Fe and Co; and second magnetic metal particles having a second magnetic metal phase containing Fe, in which when the amounts of Co with respect to the total amounts of Fe and Co of the first and second magnetic metal particles are designated as Co1 and Co2, respectively, the ratio of Co2 to Co1 (Co2/Co1) is from 0 to 0.5, the average value of the ratio of the major axis to the minor axis is 2 or greater for the first magnetic metal particles and 1 or greater for the second magnetic metal particles, the second magnetic metal particles are present between the particles of the first magnetic metal particles, and the average value of the major axis of the second magnetic metal particles is equal to or longer than the average value of the major axis of the first magnetic metal particles.
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9.发明授权公开(公告)号：US12015306B2
公开(公告)日：2024-06-18
申请号：US16536595
申请日：2019-08-09
CPC分类号： H02K1/02 , B22F1/068 , B22F1/08 , B22F1/10 , B22F1/16 , B22F3/02 , B22F3/24 , H01F1/26 , B22F2003/248 , B22F2202/05 , B22F2301/15 , B22F2301/35 , B22F2302/45 , B22F2303/01 , B22F2998/10 , B22F2998/10 , B22F1/10 , B22F3/02
摘要： A plurality of flaky magnetic metal particles have an average thickness of 10 nm to 100 μm, each of the particles having a flat surface; a magnetic metal phase containing at least one element selected from the group consisting of Fe, Co, and Ni; and a difference in coercivity on the basis of direction within the surface, the average value of the ratio of the average length within the surface with respect to the thickness being from 5-10,000. The particles include a particle having at least one of a crack in a thickness direction having a depth equivalent to 10% or more of the thickness of the particle and a width shorter than the depth, and a crack in a direction parallel to the surface having a length equivalent to 10% or more of the thickness of the particle and a width shorter than the length.
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公开(公告)号：US20210305851A1
公开(公告)日：2021-09-30
申请号：US17002811
申请日：2020-08-26
摘要： A pressed powder material of the embodiments is a pressed powder material including: a plurality of flaky magnetic metal particles, each flaky magnetic metal particle having a flat surface and a magnetic metal phase containing at least one first element selected from the group consisting of Fe, Co, and Ni, the flaky magnetic metal particles having an average thickness of from 10 nm to 100 μm and an average value of the ratio of the average length in the flat surface to the thickness of from 5 to 10,000; and an intercalated phase existing between the flaky magnetic metal particles and containing at least one second element selected from the group consisting of oxygen (O), carbon (C), nitrogen (N), and fluorine (F), in which the pressed powder material includes a plane, and in which the pressed powder material includes, in a predetermined cross-section perpendicular to the flat surfaces, a void site at the boundary part between the flat surface of a flaky magnetic metal particle and the intercalated phase in contact with the flat surface, and the ratio of the length of the void site is 20% or less with respect to the length of the flat surface.
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