Tape-type superconductor with anisotropy of critical currents
    1.
    发明授权
    Tape-type superconductor with anisotropy of critical currents 有权
    具有临界电流各向异性的带式超导体

    公开(公告)号:US08275431B2

    公开(公告)日:2012-09-25

    申请号:US13064885

    申请日:2011-04-25

    CPC classification number: H01L39/143 H01L39/2454

    Abstract: A tape-type superconductor (1), comprising an elongated substrate (2), in particular a metal tape, and a continuous superconducting layer (3), in particular of a HTS type material, deposited on the substrate (2), is characterized in that Ic∥/Ic⊥≧1.5, with Ic∥ being the width density of critical current of the continuous superconducting layer (3) in parallel to the substrate (2) and in parallel to the elongated direction of the substrate (2), and with Ic⊥ being the width density of critical current of the continuous superconducting layer (3) in parallel to the substrate (2) and perpendicular to the elongated direction of the substrate (2). The tape-type superconductor has reduced ac losses.

    Abstract translation: 特征在于沉积在基板(2)上的长条基板(2),特别是金属带和连续超导层(3),特别是HTS型材料的带式超导体(1)的特征在于 在Ic∥/Ic⊥≥1.5中,其中Ic∥是连续超导层(3)平行于衬底(2)并与衬底(2)的细长方向平行的临界电流的宽度密度, 并且Ic⊥是连续超导层(3)平行于衬底(2)并垂直于衬底(2)的细长方向的临界电流的宽度密度。 磁带式超导体减少了交流损耗。

    Tape-type superconductor with anisotropy of critical currents
    2.
    发明申请
    Tape-type superconductor with anisotropy of critical currents 有权
    具有临界电流各向异性的带式超导体

    公开(公告)号:US20110263432A1

    公开(公告)日:2011-10-27

    申请号:US13064885

    申请日:2011-04-25

    CPC classification number: H01L39/143 H01L39/2454

    Abstract: A tape-type superconductor (1), comprising an elongated substrate (2), in particular a metal tape, and a continuous superconducting layer (3), in particular of a HTS type material, deposited on the substrate (2), is characterized in that Ic∥/Ic⊥≧1.5, with Ic∥ being the width density of critical current of the continuous superconducting layer (3) in parallel to the substrate (2) and in parallel to the elongated direction of the substrate (2), and with Ic⊥ being the width density of critical current of the continuous superconducting layer (3) in parallel to the substrate (2) and perpendicular to the elongated direction of the substrate (2). The tape-type superconductor has reduced ac losses.

    Abstract translation: 特征在于沉积在基板(2)上的长条基板(2),特别是金属带和连续超导层(3),特别是HTS型材料的带式超导体(1)的特征在于 在Ic∥/Ic⊥≥1.5中,其中Ic∥是连续超导层(3)平行于衬底(2)并与衬底(2)的细长方向平行的临界电流的宽度密度, 并且Ic⊥是连续超导层(3)平行于衬底(2)并垂直于衬底(2)的细长方向的临界电流的宽度密度。 磁带式超导体减少了交流损耗。

    HTS coated conductor with particle inclusions, and method of production of an HTS coated conductor
    3.
    发明授权
    HTS coated conductor with particle inclusions, and method of production of an HTS coated conductor 有权
    具有颗粒夹杂物的HTS涂覆导体,以及生产HTS涂覆导体的方法

    公开(公告)号:US08629087B2

    公开(公告)日:2014-01-14

    申请号:US13137042

    申请日:2011-07-18

    CPC classification number: H01L39/128 H01L39/126 H01L39/2448 H01L39/2483

    Abstract: A high temperature superconductor (=HTS) coated conductor (1), comprising an HTS layer (11) deposited epitaxially on a substrate (2), wherein the HTS layer (11) exhibits a lattice with a specific crystal axis being oriented perpendicular to the substrate plane (SP), in particular wherein the HTS layer material is of ReBCO type and the c-axis (c) is oriented perpendicular to the substrate plane (SP), wherein the HIS layer (11) comprises particle inclusions (4), in particular wherein the particle inclusions (4) may be used to introduce pinning of magnetic flux, is characterized in that at least a part (4a) of the particle inclusions (4) are formed of the same material as the HTS layer (11), and/or of chemical fractions of the material of the HTS layer (11), such that the average stoichiometry of said part (4a) of the particle inclusions (4) corresponds to the stoichiometry of the HTS layer (11), and that the particle inclusions of said part (4a) are discontinuities of the lattice of the HTS layer (11). A more simple method for producing a HTS coated conductor with reduced losses, and with improved critical current and critical magnetic field is thereby provided.

    Abstract translation: 一种高温超导体(= HTS)涂覆导体(1),包括在衬底(2)上外延沉积的HTS层(11),其中HTS层(11)呈现出具有垂直于 衬底平面(SP),特别地其中HTS层材料为ReBCO型,c轴(c)垂直于衬底平面(SP)定向,其中HIS层(11)包括颗粒夹杂物(4), 特别是其中可以使用粒子夹杂物(4)引入磁通的钉扎,其特征在于,粒子夹杂物(4)的至少一部分(4a)由与HTS层(11)相同的材料形成, ,和/或HTS层(11)的材料的化学级分,使得所述颗粒夹杂物(4)的所述部分(4a)的平均化学计量对应于HTS层(11)的化学计量,并且 所述部分(4a)的颗粒夹杂物是不规则的 HTS层(11)。 从而提供了一种用于制造具有降低的损耗并且具有改善的临界电流和临界磁场的HTS涂覆导体的更简单的方法。

    Method for producing a HTS coated conductor and HTS coated conductor with reduced losses

    公开(公告)号:US08283293B2

    公开(公告)日:2012-10-09

    申请号:US13137040

    申请日:2011-07-18

    CPC classification number: H01L39/2461 H01L39/143 H01L39/2483

    Abstract: A method for producing a high temperature superconductor (=HTS) coated conductor (12), wherein a buffer layer (2; 22) and an HTS layer (4; 24; 65) are deposited on a substrate (1; 21), with the following steps: a) after depositing the buffer layer (2; 22), the surface (2a) is locally roughened, resulting in a roughened surface (13), b) a non-superconducting, closed intermediate layer (3; 23) is deposited on top of the roughened surface (13), c) and the HTS layer (4; 24; 65) is deposited on top of the intermediate layer (3; 23). A simple method for producing a HTS coated conductor with reduced losses, and with improved critical current and critical magnetic field is thereby provided.

    Method for producing a HTS coated conductor and HTS coated conductor with reduced losses
    5.
    发明申请
    Method for producing a HTS coated conductor and HTS coated conductor with reduced losses 有权
    降低损耗的生产HTS涂层导体和HTS涂层导体的方法

    公开(公告)号:US20120015818A1

    公开(公告)日:2012-01-19

    申请号:US13137040

    申请日:2011-07-18

    CPC classification number: H01L39/2461 H01L39/143 H01L39/2483

    Abstract: A method for producing a high temperature superconductor (=HTS) coated conductor (12), wherein a buffer layer (2; 22) and an HTS layer (4; 24; 65) are deposited on a substrate (1; 21), with the following steps: a) after depositing the buffer layer (2; 22), the surface (2a) is locally roughened, resulting in a roughened surface (13), b) a non-superconducting, closed intermediate layer (3; 23) is deposited on top of the roughened surface (13), c) and the HTS layer (4; 24; 65) is deposited on top of the intermediate layer (3; 23). A simple method for producing a HTS coated conductor with reduced losses, and with improved critical current and critical magnetic field is thereby provided.

    Abstract translation: 一种用于生产高温超导体(= HTS)涂覆的导体(12)的方法,其中缓冲层(2; 22)和HTS层(4; 24; 65)沉积在衬底(1; 21)上, 以下步骤:a)在沉积缓冲层(2; 22)之后,表面(2a)局部变粗糙,导致粗糙表面(13),b)非超导闭合中间层(3; 23) 沉积在粗糙化表面(13)的顶部,c)并且HTS层(4; 24; 65)沉积在中间层(3; 23)的顶部上。 从而提供了一种用于制造具有降低的损耗以及改善的临界电流和临界磁场的HTS涂覆导体的简单方法。

    HTS coated conductor with particle inclusions, and method of production of an HTS coated conductor
    6.
    发明申请
    HTS coated conductor with particle inclusions, and method of production of an HTS coated conductor 有权
    具有颗粒夹杂物的HTS涂覆导体,以及生产HTS涂覆导体的方法

    公开(公告)号:US20120015814A1

    公开(公告)日:2012-01-19

    申请号:US13137042

    申请日:2011-07-18

    CPC classification number: H01L39/128 H01L39/126 H01L39/2448 H01L39/2483

    Abstract: A high temperature superconductor (=HTS) coated conductor (1), comprising an HTS layer (11) deposited epitaxially on a substrate (2), wherein the HTS layer (11) exhibits a lattice with a specific crystal axis being oriented perpendicular to the substrate plane (SP), in particular wherein the HTS layer material is of ReBCO type and the c-axis (c) is oriented perpendicular to the substrate plane (SP), wherein the HIS layer (11) comprises particle inclusions (4),in particular wherein the particle inclusions (4) may be used to introduce pinning of magnetic flux, is characterized in that at least a part (4a) of the particle inclusions (4) are formed of the same material as the HTS layer (11), and/or of chemical fractions of the material of the HTS layer (11), such that the average stoichiometry of said part (4a) of the particle inclusions (4) corresponds to the stoichiometry of the HTS layer (11), and that the particle inclusions of said part (4a) are discontinuities of the lattice of the HTS layer (11). A more simple method for producing a HTS coated conductor with reduced losses, and with improved critical current and critical magnetic field is thereby provided.

    Abstract translation: 一种高温超导体(= HTS)涂覆导体(1),包括在衬底(2)上外延沉积的HTS层(11),其中HTS层(11)呈现出具有垂直于 衬底平面(SP),特别地其中HTS层材料为ReBCO型,c轴(c)垂直于衬底平面(SP)定向,其中HIS层(11)包括颗粒夹杂物(4), 特别是其中可以使用粒子夹杂物(4)引入磁通的钉扎,其特征在于,粒子夹杂物(4)的至少一部分(4a)由与HTS层(11)相同的材料形成, ,和/或HTS层(11)的材料的化学级分,使得所述颗粒夹杂物(4)的所述部分(4a)的平均化学计量对应于HTS层(11)的化学计量,并且 所述部分(4a)的颗粒夹杂物是H的格子的不连续性 TS层(11)。 从而提供了一种用于制造具有降低的损耗并且具有改善的临界电流和临界磁场的HTS涂覆导体的更简单的方法。

    Cryostat having a magnet coil system, which comprises an LTS section and an encapsulated HTS section
    7.
    发明授权
    Cryostat having a magnet coil system, which comprises an LTS section and an encapsulated HTS section 有权
    具有磁体线圈系统的低温恒温器,其包括LTS部分和封装的HTS部分

    公开(公告)号:US08255023B2

    公开(公告)日:2012-08-28

    申请号:US12225192

    申请日:2007-03-07

    CPC classification number: H01F6/06 G01R33/3804 G01R33/3815 H01F6/04

    Abstract: A cryostat (1) with a magnet coil system including superconductors for the production of a magnet field B0 in a measuring volume (3) has a plurality of radially nested solenoid-shaped coil sections (4, 5, 6) and which are electrically connected in series, at least one of which being an LTS section (5, 6) with a conventional low temperature superconductor (LTS) and at least one of which being an HTS section (4) including a high temperature superconductor (HTS), wherein the magnet coil system is located in a helium tank (9) of the cryostat (1) along with liquid helium at a helium temperature TL. The apparatus is characterized in that a chamber (11) is provided within which the HTS sections (4) are held having an internal portion with a sufficiently low pressure such that helium located therein at a temperature of TL is gaseous. The cryostat in accordance with the invention can be utilized to maintain HTS coil sections over a long period of time in a reliable fashion.

    Abstract translation: 具有包括用于在测量体积(3)中产生磁场B0的超导体的磁体线圈系统的低温恒温器(1)具有多个径向嵌套的螺线管状线圈部分(4,5,6),它们电连接 串联地,其中至少一个是具有常规低温超导体(LTS)的LTS部分(5,6),并且其中至少一个是包括高温超导体(HTS)的HTS部分(4),其中, 磁体线圈系统位于低温恒温器(1)的氦气罐(9)中以及氦温度TL下的液氦。 该装置的特征在于提供一个室(11),其中保持HTS部分(4)具有足够低压力的内部部分,使得位于其中的TL温度为气态的氦气。 根据本发明的低温恒温器可以用于以可靠的方式长时间地维持HTS线圈段。

    Method for superconducting connection between MgB2 superconducting wires via a MgB2 matrix made from a boron powder compressed element infiltrated with Mg

    公开(公告)号:US20100216647A1

    公开(公告)日:2010-08-26

    申请号:US12656870

    申请日:2010-02-18

    Abstract: A method for superconductingly connecting two or more wires (1, 2), each comprising at least one filament (3a-3d) that contains MgB2 or a mixture of Mg and B, wherein a superconducting connection is realized through exposed end regions (4a) of the filaments (3a-3d) via an MgB2 matrix, is characterized in that a bulk boron powder (4) is provided into which the exposed end regions (4a) of the filaments (3a-3d) of the wires (1, 2) project, the boron of the bulk boron powder (4) being present in amorphous modification. The bulk powder (4) is then compacted together with the projecting exposed end regions (4a) of the filaments (3a, 3b) to form a compressed element (8) and the compressed element (8) is infiltrated with molten magnesium (10) from the surface (13) of the compressed element (8). The method improves the quality, in particular, the current-carrying capacity and the critical magnetic field strength of a superconducting connection of MgB2 superconducting wires.

    Abstract translation: 一种用于超导地连接两根或更多根线(1,2)的方法,每个线包括至少一个包含MgB2或Mg和B的混合物的细丝(3a-3d),其中通过暴露的端部区域(4a)实现超导连接, 经由MgB 2基体的长丝(3a-3d)的特征在于,提供块状硼粉末(4),其中线材(1,2)的细丝(3a-3d)的暴露端部区域(4a) )项目中,体积硼粉(4)的硼存在于非晶态改性中。 然后将散装粉末(4)与长丝(3a,3b)的突出的暴露端部区域(4a)压实在一起形成压缩元件(8),压缩元件(8)用熔融镁(10)渗透, 从压缩元件(8)的表面(13)开始。 该方法提高了MgB2超导线材超导连接的质量,特别是载流能力和临界磁场强度。

    Magnetic resonance apparatus with phase-aligned coupling-in of working gas pressure pulses
    9.
    发明授权
    Magnetic resonance apparatus with phase-aligned coupling-in of working gas pressure pulses 有权
    具有相位对准的工作气体压力脉冲耦合的磁共振装置

    公开(公告)号:US07464556B2

    公开(公告)日:2008-12-16

    申请号:US11330163

    申请日:2006-01-12

    Applicant: Klaus Schlenga

    Inventor: Klaus Schlenga

    CPC classification number: F25B9/14 F25B2309/006 F25B2500/13 G01R33/3815

    Abstract: A magnetic resonance apparatus comprising a superconducting magnet coil disposed in a cryostat, and a refrigerator for cooling same comprising a compressor (1) for compressing a working gas, and a high-pressure line (2) and a low-pressure line (3) disposed between the compressor (1) and a control valve (5), which periodically connects the high-pressure line (2) and the low-pressure line (3) to at least one connecting line (6) between the control valve (5) and a cold head (4) of the refrigerator, thereby producing pressure pulses through the switched working gas, wherein the control valve (5) and/or connecting line (6) and cold head (4) components are rigidly mechanically coupled to the cryostat, is characterized in that at least one of the above-mentioned lines (2, 3, 6) is branched on the compressor side upstream of the rigidly coupled components, and is symmetrically joined at one of the coupled components in such a manner that the pressure pulses through the working gas are vectorially compensated for at the component where the branched line is joined, thereby minimizing vibrations of the cryostat. The inventive magnetic resonance apparatus greatly reduces transmission of oscillations to the magnet coil and thereby the number and strength of artefacts in the spectra or images acquired with this magnetic resonance apparatus, to ensure high-quality magnetic resonance recordings.

    Abstract translation: 一种磁共振装置,包括设置在低温恒温器中的超导磁体线圈和用于冷却的冷冻机,其包括用于压缩工作气体的压缩机(1)和高压管线(2)和低压管线(3) 设置在压缩机(1)和控制阀(5)之间,其将高压管线(2)和低压管线(3)周期性地连接到控制阀(5)之间的至少一个连接管线 )和冰箱的冷头(4),由此产生通过切换的工作气体的压力脉冲,其中控制阀(5)和/或连接管线(6)和冷头(4)部件刚性机械地联接到 低温恒温器的特征在于,上述管线(2,3,6)中的至少一个在刚性耦合部件的上游的压缩机侧分支,并且在耦合部件之一对称地接合,使得 通过工作气体的压力脉冲是矢量 在分支线连接的部件上进行补偿,从而最小化低温恒温器的振动。 本发明的磁共振装置极大地减少了对磁体线圈的振荡传输,从而大大降低了使用该磁共振装置获得的光谱或图像中的伪影的数量和强度,以确保高质量的磁共振记录。

    SUPERCONDUCTOR MAGNET COIL CONFIGURATION
    10.
    发明申请
    SUPERCONDUCTOR MAGNET COIL CONFIGURATION 有权
    超级磁体线圈配置

    公开(公告)号:US20060152315A1

    公开(公告)日:2006-07-13

    申请号:US11214712

    申请日:2005-08-31

    Abstract: A superconducting magnet coil configuration has at least one section containing a superconducting strip conductor which is wound in several layers like a solenoid in a cylindrical winding chamber (1) between two end flanges (2, 3), characterized in that the radially innermost layers of the section consist of metallic low-temperature superconductors (LTS) (LTS layers (8)) and radially adjacent layers of the section are formed from high-temperature superconductor (HTS) material (HTS layers (9)). The invention proposes a magnet coil configuration using HTS material which has a notch structure for correcting inhomogeneities and homogenizing a compact high-field magnet, wherein the mechanical load on the HTS strip conductor is minimized.

    Abstract translation: 超导磁体线圈构造具有至少一个部分,其包含超导条状导体,其在两个端部凸缘(2,3)之间的圆柱形卷绕室(1)中缠绕成若干层,如螺线管,其特征在于,径向最内层 该部分由金属低温超导体(LTS)(LTS层(8))组成,并且该部分的径向相邻层由高温超导体(HTS)材料(HTS层(9))形成。 本发明提出一种使用HTS材料的磁体线圈结构,其具有用于校正不均匀性并使紧凑型高磁场磁体均匀化的凹口结构,其中HTS带状导体上的机械负载最小化。

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