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公开(公告)号：US11855400B2
公开(公告)日：2023-12-26
申请号：US17466981
申请日：2021-09-03
摘要： A connection structure of a superconducting layer of an embodiment incudes a first superconducting member including a first superconducting layer, and extends in a first direction, a second superconducting member including a second superconducting layer facing the first superconducting layer, and extends in the first direction, the second superconducting member having a first region, a second region, and a third region which is separated in the second direction from the second region, and a connection layer that contains a rare earth element (RE), barium (Ba), copper (Cu), and oxygen (O), and connects the first superconducting layer and the second superconducting layer. The first superconducting layer is present in a third direction between the second region and the third region, the third direction being perpendicular to the first direction and perpendicular to the second direction.
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公开(公告)号：US20220199887A1
公开(公告)日：2022-06-23
申请号：US17689861
申请日：2022-03-08
摘要： A connection structure for a superconducting layer according to an embodiment includes a first superconducting layer; a second superconducting layer; and a connection layer disposed between the first superconducting layer and the second superconducting layer, the connection layer including crystal grains containing a rare earth element (RE), barium (Ba), copper (Cu), and oxygen (O), the crystal grains having a grain size distribution including a bimodal distribution. The bimodal distribution includes a first distribution including a first peak and a second distribution including a second peak. A first grain size corresponding to the first peak is larger than a second grain size corresponding to the second peak. Among the crystal grains, crystal grains having a grain size corresponding to the first distribution include a crystal grain having a plate shape or a flat shape.
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公开(公告)号：US11774184B2
公开(公告)日：2023-10-03
申请号：US17728138
申请日：2022-04-25
CPC分类号： F28D17/02 , C09K5/14 , F28D19/041 , F25B2309/003
摘要： A two-stage heat regenerating cryogenic refrigerator may include: a vacuum vessel; a first and second cylinder in the vessel; the second cylinder coaxially connected to the first cylinder; a 1st regenerator in the first cylinder and accommodating heat regenerating material (HRM) 1; and a second regenerator in the 2nd cylinder accommodating HRM 2, HRM 2 including HRM particles, each HRM particle including a metal element and a heat regenerating substance including an oxide or oxysulfide and having a maximum specific heat at ≤20 K of ≥0.3 J/cm3·K; each HRM particle including a 1st and 2nd region, the 2nd region being closer to each HRM particle's outer edge than the 1st, and the 2nd region having a higher metal element concentration than the 1st, the 1st and 2nd region containing the heat regenerating substance.
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公开(公告)号：US10101061B2
公开(公告)日：2018-10-16
申请号：US15443610
申请日：2017-02-27
发明人： Tomoko Eguchi , Akiko Saito
摘要： According to an embodiment, a cryogenic regenerator material contains a silver oxide. A molar ratio of silver atoms to oxygen atoms contained in the cryogenic regenerator material: Ag/O is 1.0 or more and 4.0 or less. The cryogenic regenerator material contains at least one selected from AgO, Ag2O and Ag3O as the silver oxide.
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5.发明申请MAGNETIC MATERIAL, METHOD FOR PRODUCING MAGNETIC MATERIAL, AND INDUCTOR ELEMENT 审中-公开磁性材料，制造磁性材料的方法和电感元件公开(公告)号：US20140319406A1
公开(公告)日：2014-10-30
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
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：US10513760B2
公开(公告)日：2019-12-24
申请号：US14842205
申请日：2015-09-01
摘要： Provided is a method for producing a magnetic material. The method includes preparing magnetic metal particles containing at least one magnetic metal selected from a first group consisting of Fe, Co and Ni, and at least one non-magnetic metal selected from a second group consisting of Mg, Al, Si, Ca, Zr, Ti, Hf, Zn, Mn, Ba, Sr, Cr, Mo, Ag, Ga, Sc, V, Y, Nb, Pb, Cu, In, Sn and rare earth elements, pulverizing and reaggregating the magnetic metal particles, and thereby forming composite particles containing a magnetic metal phase and an interstitial phase, and heat-treating the composite particles at a temperature of from 50° C. to 800° C. The particle size distribution of the magnetic metal particles in the preparing magnetic metal particles has two or more peaks.
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公开(公告)号：US20150303583A1
公开(公告)日：2015-10-22
申请号：US14480759
申请日：2014-09-09
IPC分类号： H01Q17/00
CPC分类号： H01Q17/004 , H01Q17/00 , H01Q17/008
摘要： A radio wave absorber according to an embodiment includes a plurality of metal particles including at least one kind of magnetic metal element selected from a first group of Fe, Co, and Ni. Each of the plurality of metal particles has a linear expansion coefficient of 1×10−6/K or more and 10×10−6/K or less. The radio wave absorber also includes a binding layer binding the metal particles and having higher resistance than the metal particle, wherein a volume filling ratio of the metal particles in the radio wave absorber is 10% or more and 50% or less.
摘要翻译： 根据实施例的无线电波吸收体包括多个金属颗粒，其包括选自第一组Fe，Co和Ni中的至少一种磁性金属元素。 多个金属粒子的线膨胀系数为1×10 -6 / K以上且10×10 -6 / K以下。 无线电波吸收体还包括结合金属颗粒的结合层，并且具有比金属颗粒更高的电阻，其中无线电波吸收体中的金属颗粒的体积填充率为10％以上且50％以下。
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公开(公告)号：US11961631B2
公开(公告)日：2024-04-16
申请号：US17689455
申请日：2022-03-08
摘要： A connection structure of a superconducting layer according to an embodiment includes a first superconducting layer, a second superconducting layer, and a connection layer provided between the first superconducting layer and the second superconducting layer and including a first substance containing a rare earth element, barium, copper, and oxygen and a second substance containing a metal element, in which a first region per unit area at a first interface between the first superconducting layer and the connection layer is 1% or more and 50% or less where the second substance and the first superconducting layer are in contact with each other, and a second region per unit area at a second interface between the second superconducting layer and the connection layer is 1% or more and 50% or less where the second substance and the second superconducting layer are in contact with each other.
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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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