公开(公告)号：US06591120B1

公开(公告)日：2003-07-08

申请号：US09555222

申请日：2000-05-26

申请人： Kazuhide Tanaka ,  Michiya Okada ,  Keiji Fukushima ,  Tsuyoshi Wakuda

发明人： Kazuhide Tanaka ,  Michiya Okada ,  Keiji Fukushima ,  Tsuyoshi Wakuda

IPC分类号： H01B1200

CPC分类号： H01L39/143 ,  H01B12/06 ,  Y02E40/642 ,  Y10S505/705 ,  Y10T29/49014

摘要： The cross section of a wire is round and is composed of several units, each consisting of tape-like superconductors laminated in an approximately rhombic shape, which are arranged such that they form a hexagon as a whole. Oxide superconducting tape wires each consisting of a plurality of oxide superconducting filaments are arranged in rotational symmetry to a core. The oxide superconducting filaments have the cross section such that the average thickness is 3 to 20 &mgr;m and the average aspect ratio is larger than 2 and smaller than 10. A step of arranging the oxide superconducting tape-like wires in rotational symmetry is accomplished when the multi-core tape-like wires are packed in a third metal pipe which becomes a metal sheath later. Since the multi-core tape wires having oxide superconducting filaments are arranged in rotational symmetry, the oxide superconductor in the oxide superconducting filaments permits its c axis to orient in various directions. This makes it possible to prevent the critical current from decreasing irrespective of the direction in which the magnetic field is applied and to increase the critical current density (Jc) because the oxide superconducting filament has an optimal size. The oxide superconductor should be a bismuth-based oxide superconductor, preferably be the one which has a composition of Bi2Sr2Ca1Cu2Ox.

摘要翻译： 线的横截面是圆形的，并且由几个单元组成，每个单元由以大致菱形形式叠层的带状超导体组成，它们整体形成六边形。 每个由多个氧化物超导细丝组成的氧化物超导带线布置成与芯部旋转对称。 氧化物超导细丝具有平均厚度为3-20μm，平均纵横比大于2且小于10的横截面。当将氧化物超导带状导线布置成旋转对称的步骤是在 多芯带状电线被包装在稍后成为金属护套的第三金属管中。 由于具有氧化物超导细丝的多芯带线布置成旋转对称，所以氧化物超导细丝中的氧化物超导体允许其c轴在各个方向上取向。 这使得可以防止临界电流随着施加磁场的方向而降低，并且由于氧化物超导细丝具有最佳尺寸而增加临界电流密度（Jc）。 氧化物超导体应为铋基氧化物超导体，优选为具有Bi 2 Sr 2 Ca 1 Cu 2 x x x的组成的超导体。

公开(公告)号：US06194985B1

公开(公告)日：2001-02-27

申请号：US08736695

申请日：1996-10-25

申请人： Kazuhide Tanaka ,  Michiya Okada ,  Keiji Fukushima

发明人： Kazuhide Tanaka ,  Michiya Okada ,  Keiji Fukushima

IPC分类号： H01P500

CPC分类号： H01F6/06

摘要： A method for manufacturing an oxide superconducting coil can suppress deterioration of superconducting characteristics caused by a strong electromagnetic force and deformation and a reaction during heat treatment. The oxide superconducting coil is manufactured by a wind-and-react (W&R) method using a metal sheathed oxide superconducting wire material and an insulator, wherein an oxide film formed on a surface of a heat resistant alloy during a heat treatment is used for insulating the coil, and the heat resistant alloy has a sufficient strength to prevent the deformation of the coil generated by the weight of the coil itself during the heat treatment and to endure a strong electromagnetic force. An oxide superconducting coil operable with a coolant, such as liquid nitrogen, liquid helium, and the like, or a refrigerator, can be realized.

摘要翻译： 氧化物超导线圈的制造方法可以抑制由强电磁力，变形和热处理时的反应引起的超导特性的劣化。 氧化物超导线圈通过使用金属护套氧化物超导线材和绝缘体的风和反应（W＆R）法制造，其中在热处理期间在耐热合金的表面上形成的氧化膜用于绝缘 线圈和耐热合金具有足够的强度，以防止在热处理期间由线圈本身的重量产生的线圈的变形并且承受强的电磁力。 可以实现与诸如液氮，液氦等的冷却剂可操作的氧化物超导线圈或冰箱。

公开(公告)号：US6133814A

公开(公告)日：2000-10-17

申请号：US921366

申请日：1997-08-29

申请人： Michiya Okada ,  Keiji Fukushima ,  Kazuhide Tanaka

发明人： Michiya Okada ,  Keiji Fukushima ,  Kazuhide Tanaka

IPC分类号： H01L39/02 ,  H01F6/06 ,  H01B12/00

CPC分类号： H01L39/02 ,  Y10S505/879 ,  Y10S505/884 ,  Y10S505/887

摘要： Structure for joining together metal-coated multi-core oxide superconductor wire material parts in a tape shape. The C axis of a oxide superconductor crystal is substantially oriented along the longitudinal (length) direction that the wire material extends. The end faces of the wire material parts contact each other at the joint part; and the C face of the oxide superconductor crystal is continuously oriented at the joint part.

摘要翻译： 用于将金属涂覆的多芯氧化物超导体线材的部件接合在一起的结构。 氧化物超导体晶体的C轴基本上沿着线材延伸的纵向（长度）方向取向。 线材部件的端面在接合部分处彼此接触; 并且氧化物超导体晶体的C面在接合部处连续取向。

公开(公告)号：US20070266795A1

公开(公告)日：2007-11-22

申请号：US11747960

申请日：2007-05-14

申请人： Kazuhide Tanaka ,  Masaya Takahashi ,  Michiya Okada ,  Hideki Abe ,  Motoharu Imai

发明人： Kazuhide Tanaka ,  Masaya Takahashi ,  Michiya Okada ,  Hideki Abe ,  Motoharu Imai

IPC分类号： G01F1/56

CPC分类号： G01F23/246

摘要： An object is to provide a liquid level sensor device for liquefied gas enabling measurement on a liquid level of liquefied gas having a boiling point in the vicinity of 21 K, e.g. liquid hydrogen, accurately and with good reproducibility and enabling simple production with good reproducibility. The present invention is a liquid level sensor device for liquefied gas including compound containing magnesium and boron arranged in succession in the longitudinal direction over the entire or a part of surface of a linear conductor made of metal and a portion of the compound thereof dipped in liquid is in a superconductive state at liquid level measurement.

摘要翻译： 本发明的目的是提供一种用于液化气体的液面传感器装置，其能够测量沸点在21K附近的液化气体液面，例如液体。 液态氢，准确，重现性好，可重复性好，生产简单。 本发明是一种用于液化气体的液位传感器装置，其包括在由金属制成的直线导体的整个或一部分表面上沿纵向连续布置的含有镁和硼的化合物，并且其部分化合物浸入液体中 在液位测量时处于超导状态。

公开(公告)号：US20070194870A1

公开(公告)日：2007-08-23

申请号：US11654008

申请日：2007-01-17

申请人： Masaya Takahashi ,  Kazuhide Tanaka ,  Michiya Okada

发明人： Masaya Takahashi ,  Kazuhide Tanaka ,  Michiya Okada

IPC分类号： H01F6/00

CPC分类号： H01L39/20

摘要： There is disclosed a permanent current switch which has a high temperature margin and which is thermally stable and which securely performs a switching operation between a superconducting state and a normal conducting state. The permanent current switch of the present invention has a coiled superconducting wire and a heater wire which switches the superconducting wire between the superconducting state and the normal conducting state, the superconducting wire is a magnesium diboride superconducting wire having a high-resistance metal on an outer side and a magnesium diboride superconducting portion on an inner side and prepared by forming a superconducting metal on a layer between the high-resistance metal and the magnesium diboride superconducting portion, and the permanent current switch further comprises a superconductive connecting section superconductively connected to a lead wire guided from the superconducting wire and a superconducting wire for a wiring line.

摘要翻译： 公开了一种具有高温裕度并且是热稳定的并且可靠地执行超导状态和正常导通状态之间的开关操作的永久电流开关。 本发明的永久电流开关具有线圈超导线和在超导状态和正常导通状态之间切换超导线的加热线，超导线是在外部具有高电阻金属的二硼化硼超导线 侧面和二硼化镁超导部分，并且通过在高电阻金属和二硼化硼超导部分之间的层上形成超导金属而制备，并且所述永久电流开关还包括超导连接部分，其超导连接到引线 从超导线引导的线和用于布线的超导线。

公开(公告)号：US20080061778A1

公开(公告)日：2008-03-13

申请号：US11836882

申请日：2007-08-10

申请人： Masaya Takahashi ,  Kazuhide Tanaka ,  Kenji Kawasaki ,  Toshiyuki Shiino ,  Michiya Okada

发明人： Masaya Takahashi ,  Kazuhide Tanaka ,  Kenji Kawasaki ,  Toshiyuki Shiino ,  Michiya Okada

IPC分类号： G01V3/00 ,  H01F1/00

CPC分类号： G01R33/34046 ,  G01R33/34007 ,  G01R33/34023 ,  G01R33/34053 ,  G01R33/34092 ,  G01R33/56536

摘要： An antenna coil is formed by a wire rod obtained by combining and integrating two or more kinds of materials having different magnetisms. The wire rod has a circular or polygonal cross sectional shape. The two or more kinds of materials having different magnetisms are combined so that the magnetisms of the combined materials are set off. The wire rod is wound around a bobbin so as to have a solenoid shape. Desirably, the low-magnetic wire rod is placed in an atmosphere whose temperature has been reduced to 10° K or less or superconductive filaments are formed in the outermost layer. Preferably, a part of the superconductive filaments are exposed.

摘要翻译： 天线线圈由通过组合和集成两种或更多种具有不同磁性的材料而得到的线材形成。 线材具有圆形或多边形横截面形状。 将具有不同磁性的两种或更多种材料组合，使得组合材料的磁性脱落。 线圈缠绕在线轴上以形成螺线管形状。 理想的是，将低磁性线材置于温度降至10°K以下的气氛中，或在最外层形成超导丝。 优选地，一部分超导细丝被暴露。

公开(公告)号：US5063200A

公开(公告)日：1991-11-05

申请号：US230053

申请日：1988-08-09

申请人： Michiya Okada ,  Tadaoki Morimoto ,  Akira Okayama ,  Yoshimi Yanai ,  Hiroshi Satoh ,  Toshimi Matsumoto ,  Yoshiteru Chiba ,  Kimihiko Akahori ,  Takahiko Kato ,  Toshiya Doi ,  Kazuhide Tanaka

发明人： Michiya Okada ,  Tadaoki Morimoto ,  Akira Okayama ,  Yoshimi Yanai ,  Hiroshi Satoh ,  Toshimi Matsumoto ,  Yoshiteru Chiba ,  Kimihiko Akahori ,  Takahiko Kato ,  Toshiya Doi ,  Kazuhide Tanaka

IPC分类号： C04B35/45 ,  H01L39/24

CPC分类号： C04B35/4504 ,  H01L39/248 ,  Y10S428/93 ,  Y10S505/701 ,  Y10S505/702 ,  Y10S505/703 ,  Y10S505/704

摘要： The present invention provides a shaped superconductor article such as wire, tape or disk, comprising an oxide superconductor phase and a metal phase in a monolayered or multilayered form, the metal phase comprising a copper, iron, nickel or titanium base alloy containing 1 to 10% by weight of aluminum and having an oxygen-impermeable oxide film formed thereon, preventing the diffusion of oxygen from the oxide superconductor phase to the metal phase.

摘要翻译： 本发明提供一种成形的超导体制品，例如导线，带或盘，包括氧化物超导体相和单层或多层形式的金属相，所述金属相包含含有1至10的铜，铁，镍或钛基合金 重量百分比的铝，并且在其上形成不透氧的氧化膜，防止了氧从氧化物超导体相扩散到金属相。

公开(公告)号：US08266958B2

公开(公告)日：2012-09-18

申请号：US11747960

申请日：2007-05-14

申请人： Kazuhide Tanaka ,  Masaya Takahashi ,  Michiya Okada ,  Hideki Abe ,  Motoharu Imai

发明人： Kazuhide Tanaka ,  Masaya Takahashi ,  Michiya Okada ,  Hideki Abe ,  Motoharu Imai

IPC分类号： G01F23/24

CPC分类号： G01F23/246

摘要： An object is to provide a liquid level sensor device for liquefied gas enabling measurement on a liquid level of liquefied gas having a boiling point in the vicinity of 21 K, e.g. liquid hydrogen, accurately and with good reproducibility and enabling simple production with good reproducibility. The present invention is a liquid level sensor device for liquefied gas including compound containing magnesium and boron arranged in succession in the longitudinal direction over the entire or a part of surface of a linear conductor made of metal and a portion of the compound thereof dipped in liquid is in a superconductive state at liquid level measurement.

摘要翻译： 本发明的目的是提供一种用于液化气体的液面传感器装置，其能够测量沸点在21K附近的液化气体液面，例如液体。 液态氢，准确，重现性好，可重复性好，生产简单。 本发明是一种用于液化气体的液位传感器装置，其包括在由金属制成的直线导体的整个或一部分表面上沿纵向连续布置的含有镁和硼的化合物，并且其部分化合物浸入液体中 在液位测量时处于超导状态。

公开(公告)号：US20090176649A1

公开(公告)日：2009-07-09

申请号：US12399068

申请日：2009-03-06

申请人： Masaya Takahashi ,  Kazuhide Tanaka ,  Michiya Okada

发明人： Masaya Takahashi ,  Kazuhide Tanaka ,  Michiya Okada

IPC分类号： H01F6/00

CPC分类号： H01L39/20

摘要： There is disclosed a permanent current switch which has a high temperature margin and which is thermally stable and which securely performs a switching operation between a superconducting state and a normal conducting state. The permanent current switch of the present invention has a coiled superconducting wire and a heater wire which switches the superconducting wire between the superconducting state and the normal conducting state, the superconducting wire is a magnesium diboride superconducting wire having a high-resistance metal on an outer side and a magnesium diboride superconducting portion on an inner side and prepared by forming a superconducting metal on a layer between the high-resistance metal and the magnesium diboride superconducting portion, and the permanent current switch further comprises a superconductive connecting section superconductively connected to a lead wire guided from the superconducting wire and a superconducting wire for a wiring line.

摘要翻译： 公开了一种具有高温裕度并且是热稳定的并且可靠地执行超导状态和正常导通状态之间的开关操作的永久电流开关。 本发明的永久电流开关具有线圈超导线和在超导状态和正常导通状态之间切换超导线的加热线，超导线是在外部具有高电阻金属的二硼化硼超导线 侧面和二硼化镁超导部分，并且通过在高电阻金属和二硼化硼超导部分之间的层上形成超导金属而制备，并且所述永久电流开关还包括超导连接部分，其超导连接到引线 从超导线引导的线和用于布线的超导线。

公开(公告)号：US20090170710A1

公开(公告)日：2009-07-02

申请号：US11346317

申请日：2006-02-03

申请人： Kazuhide Tanaka ,  Masaya Takahashi ,  Michiya Okada ,  Hiroaki Kumakura ,  Hitoshi Kitaguchi

发明人： Kazuhide Tanaka ,  Masaya Takahashi ,  Michiya Okada ,  Hiroaki Kumakura ,  Hitoshi Kitaguchi

IPC分类号： H01B12/10 ,  H01B12/04 ,  H01L39/24

CPC分类号： H01L39/141 ,  H01L39/2487 ,  Y10S505/704

摘要： In a metal sheath MgB2 superconducting wire, it is intended to achieve a wire having increased current density and a long length at the same time, by densitying superconducting core part. The superconducting wire is manufactured by forming diffusion hardened layer on the inner surface of the sheath such that the hardness of the inner surface becomes higher than that of the outer surface, filling MgB2 superconductor, and further if necessary, a critical current density increasing material such as indium, copper, and tin, in a metal sheath, to subject it to wire drawing. For the metal sheath, a material with toughness such as steel is used. Even if the sheath is made to a long wire, it does not break, thereby, enabling to density superconducting core part.

摘要翻译： 在金属护套MgB2超导线中，通过密度超导芯部部分，旨在实现同时具有增加的电流密度和长的长度的导线。 超导线是通过在护套的内表面上形成扩散硬化层而制造的，使得内表面的硬度变得高于外表面的硬度，填充MgB 2超导体，并且如果需要，还需要临界电流密度增加材料 作为铟，铜和锡，在金属护套中进行拉丝。 对于金属护套，使用具有韧性的材料如钢。 即使鞘被制成长的线，也不会破裂，从而能够密集超导芯部。