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1. 发明申请

US20120094840A1 REFRIGERATOR COOLING-TYPE SUPERCONDUCTING MAGNET 审中-公开
标题翻译：冷冻机冷却型超级磁铁
公开(公告)号：US20120094840A1
公开(公告)日：2012-04-19
申请号：US13375811
申请日：2010-02-26
申请人： Hiroyuki Tanaka , Michiya Okada , Masaya Takahashi , Yota Ichiki
发明人： Hiroyuki Tanaka , Michiya Okada , Masaya Takahashi , Yota Ichiki
IPC分类号： H01F6/06 , H01F6/04
CPC分类号： H01F6/04 , H01F6/006
摘要： Magnetic field attenuation in a persistent current mode operation is prevented, heat generation at a connecting part between the persistent current switch and the superconducting coil, and increase in a cooling temperature of the superconducting coil in a current supplying mode is suppressed to a minimum.The refrigerator cooling-type superconducting magnet J according to the present invention including a superconducting coil (2), a persistent current switch (1) for switch between a persistent current mode and a current supplying mode; a superconducting coil (2), first and second cryogenic refrigerators (3, 4) for respectively cooing the superconducting coil (2) and the persistent current switch (1); a vacuum vessel (10) for housing the super conducting coil (2), the persistent current switch (1), and cooling stages (31, 32, 41, 42) of the first and second cryogenic refrigerators (3, 4), the magnet includes a superconducting wire (5) for connecting the superconducting coil (2) to the persistent current switch (1) and a superconducting bypass line (6) electrically connected in parallel to the superconducting wire along a longitudinal direction, wherein a superconducting critical temperature of the superconducting bypass line (6) is higher than a superconducting critical temperature of the persistent current switch (5).
摘要翻译：防止持续电流模式操作中的磁场衰减，在持续电流开关和超导线圈之间的连接部分处的发热以及以供电模式的超导线圈的冷却温度的增加被抑制到最小。根据本发明的冰箱冷却型超导磁体J包括超导线圈（2），用于在持续电流模式和电流供给模式之间切换的持续电流开关（1）超导线圈（2），用于分别冷却超导线圈（2）和永久电流开关（1）的第一和第二低温冰箱（3,4）; 用于容纳第一和第二低温冰箱（3,4）的超导线圈（2），持续电流开关（1）和冷却级（31,32,31,42）的真空容器（10），磁体包括用于将超导线圈（2）连接到持续电流开关（1）的超导线（5）和沿着纵向方向与超导电线并联电连接的超导旁路管线（6），其中超导临界温度超导旁路管线（6）的温度高于持续电流开关（5）的超导临界温度。

2. 发明申请

US20090267716A1 SUPERCONDUCTING MAGNET 有权
标题翻译：超级磁铁
公开(公告)号：US20090267716A1
公开(公告)日：2009-10-29
申请号：US12389417
申请日：2009-02-20
申请人： Hiroyuki TANAKA , Norihide Saho , Hisashi Isogami , Masaya Takahashi , Michiya Okada
发明人： Hiroyuki TANAKA , Norihide Saho , Hisashi Isogami , Masaya Takahashi , Michiya Okada
IPC分类号： H01F6/00
CPC分类号： H01F6/003 , H01F6/04 , H01L39/20
摘要： A persistent current switch in a superconducting magnet, includes: a winding part in which a superconducting wire is noninductively wound; a winding-heating heater provided around the winding part; a vessel provided around the winding part with a space; and an anti-convective material provided in the space between the vessel and the winding part.
摘要翻译：超导磁体中的持续电流开关包括：超导线非感应缠绕的绕组部分; 设置在绕组部分周围的卷绕加热加热器; 围绕绕组部分设置的空间的容器; 以及设置在容器和卷绕部之间的空间中的抗对流材料。

3. 发明授权

US08077001B2 Superconducting magnet 有权
标题翻译：超导磁体
公开(公告)号：US08077001B2
公开(公告)日：2011-12-13
申请号：US12389417
申请日：2009-02-20
申请人： Hiroyuki Tanaka , Norihide Saho , Hisashi Isogami , Masaya Takahashi , Michiya Okada
发明人： Hiroyuki Tanaka , Norihide Saho , Hisashi Isogami , Masaya Takahashi , Michiya Okada
IPC分类号： H01F1/00 , H01F6/00
CPC分类号： H01F6/003 , H01F6/04 , H01L39/20
摘要： A persistent current switch in a superconducting magnet, includes: a winding part in which a superconducting wire is noninductively wound; a winding-heating heater provided around the winding part; a vessel provided around the winding part with a space; and an anti-convective material provided in the space between the vessel and the winding part.
摘要翻译：超导磁体中的持续电流开关包括：超导线非感应缠绕的绕组部分; 设置在绕组部分周围的卷绕加热加热器; 围绕绕组部分设置的空间的容器; 以及设置在容器和卷绕部之间的空间中的抗对流材料。

4. 发明申请

US20110218111A1 HIGH TEMPERATURE SUPERCONDUCTING PARALLEL CONDUCTORS, HIGH TEMPERATURE SUPERCONDUCTING COIL USING THE SAME, AND HIGH TEMPERATURE SUPERCONDUCTING MAGNET 审中-公开
标题翻译：高温超导并联导体，使用其的高温超导线圈和高温超导磁体
公开(公告)号：US20110218111A1
公开(公告)日：2011-09-08
申请号：US13034668
申请日：2011-02-24
申请人： Yota ICHIKI , Tsuyoshi Wakuda , Minseok Park , Masaya Takahashi
发明人： Yota ICHIKI , Tsuyoshi Wakuda , Minseok Park , Masaya Takahashi
IPC分类号： H01F6/06 , H01B12/10 , H01L39/02
CPC分类号： H01B12/10 , H01F6/06 , H01L39/02 , Y02E40/641 , Y02E40/644
摘要： A parallel conductor comprising a bundle of a plurality of high temperature superconducting wire materials, ends of the wire materials being electrically connected to each other, wherein each of the high temperature wire materials has at least one short-circuited portion where the wire materials are connected by means of a non-superconducting conductive material, and portions other than the short-circuited portion being covered with an insulating material.
摘要翻译：一种平行导体，包括多根高温超导线材的束，所述线材的端部彼此电连接，其中每个所述高温线材具有至少一个短路部分，其中所述线材连接通过非超导导电材料，并且除了短路部分以外的部分被绝缘材料覆盖。

5. 发明授权

US07602269B2 Permanent current switch 有权
标题翻译：永久电流开关
公开(公告)号：US07602269B2
公开(公告)日：2009-10-13
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： H01F7/00 , H01F1/00 , 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。

6. 发明授权

US07569520B2 Metal sheath magnesium diboride superconducting wire and its manufacturing method 失效
标题翻译：金属皮二硼化镁超导线及其制造方法
公开(公告)号：US07569520B2
公开(公告)日：2009-08-04
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： H01L39/24 , H01L39/14
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。

7. 发明申请

US20080318794A1 Superconductive wire and method for producing the same 审中-公开
标题翻译：超导线及其制造方法
公开(公告)号：US20080318794A1
公开(公告)日：2008-12-25
申请号：US12153483
申请日：2008-05-20
申请人： Masaya Takahashi , Kazuhide Tanaka , Michiya Okada
发明人： Masaya Takahashi , Kazuhide Tanaka , Michiya Okada
IPC分类号： H01B12/04 , H01L39/24
CPC分类号： H01L39/141 , C04B35/58057 , C04B2235/401 , C04B2235/421 , C04B2235/6581 , C04B2235/94 , H01L39/2487 , Y10T29/49014
摘要： A superconductive wire wherein the superconductive wire has a core portion containing magnesium diboride as the main component and a continuous metallic sheath firmly adhered to the core portion; the core portion is kept substantially vacuum; and the content of an inert gas such as an Ar gas contained in the core portion is in the range of 0.00002 to 10 ppm. Further, disclosed is a method for producing a superconductive wire, wherein the method comprises the steps of mixing powder of a source material constituting magnesium diboride to form a core portion of the superconductive wire in an inert gas, filling a pipe with the mixed material powder in vacuum environment, sealing the pipe with vacuum after filled with the material powder, forming magnesium diboride powder by heating the vacuum-sealed pipe (sheath), and forming the core portion by wiredrawing the pipe in the state where the magnesium diboride powder is sealed with vacuum, and the core portion firmly sticks to the wiredrawn metallic pipe. The core portion is kept vacuum, and the content of an inert gas contained in the core portion is in the range of 0.00002 to 10 ppm.
摘要翻译：一种超导线，其中超导线具有含有二硼化镁作为主要成分的核心部分，并且连续的金属护套牢固地粘附在芯部分上; 芯部保持基本上真空; 并且包含在芯部中的诸如Ar气体的惰性气体的含量在0.00002至10ppm的范围内。此外，公开了一种超导线的制造方法，其特征在于，包括以下步骤：混合构成二硼化硼的源材料的粉末，在惰性气体中形成超导线的芯部，用混合材料粉末填充管在真空环境中，填充材料粉末后真空密封管道，通过加热真空密封管（护套）形成二硼化镁粉末，并在二硼化镁粉末密封的状态下通过拉丝管形成芯部并且芯部牢固地粘附在拉丝金属管上。核心部分保持真空，并且包含在芯部中的惰性气体的含量在0.00002至10ppm的范围内。

8. 发明申请

US20060240991A1 Connecting structure for magnesium diboride superconducting wire and a method of connecting the same 失效
标题翻译：二硼化镁超导线的连接结构及其连接方法
公开(公告)号：US20060240991A1
公开(公告)日：2006-10-26
申请号：US11299670
申请日：2005-12-13
申请人： Masaya Takahashi , Yoshimichi Numata , Michiya Okada
发明人： Masaya Takahashi , Yoshimichi Numata , Michiya Okada
IPC分类号： H01L39/24
CPC分类号： H01L39/02 , H01L39/141 , H01R4/68 , Y10T29/49014
摘要： A magnesium diboride superconducting wire has excellent conduction property and stability. The superconductive connection of the magnesium diboride superconducting wire covered with a superconducting coating layer and a same or different kind of another superconducting wire are connected in a metal tube filled with a solder by way of the superconductive coating layer.
摘要翻译：二硼化硼超导线具有优良的导电性能和稳定性。用超导涂层和相同或不同种类的超导线材覆盖的二硼化硼超导线材的超导连接通过超导涂层连接在填充有焊料的金属管中。

9. 发明授权

US08513527B2 Superconducting circuit, production method of superconducting joints, superconducting magnet, and production method of superconducting magnet 有权
标题翻译：超导电路，超导接头的制造方法，超导磁体以及超导磁体的制造方法
公开(公告)号：US08513527B2
公开(公告)日：2013-08-20
申请号：US12845474
申请日：2010-07-28
申请人： Motomune Kodama , Michiya Okada , Masaya Takahashi
发明人： Motomune Kodama , Michiya Okada , Masaya Takahashi
IPC分类号： H01B12/10 , H01L39/02
CPC分类号： H01L39/02 , H01F6/065 , Y10T428/12819
摘要： A superconducting circuit including a superconducting joint that joints a niobium titanium superconducting wire having a structure where a filament made of niobium titanium alloy is arranged in a matrix made of copper or copper alloy and other superconducting wire, in which a volume ratio or a surface density of an α-Ti precipitation in the niobium titanium alloy of the filament in the superconducting joint is smaller than the volume ratio or the surface density of the α-Ti precipitation in the niobium titanium alloy of the filament in the niobium titanium superconducting wire in a portion other than the superconducting joint.
摘要翻译：包括超导接头的超导电路，其连接铌钛超导线，该铌钛超导线具有将由铌钛合金制成的长丝布置在由铜或铜合金制成的基体和其它超导线中，其中体积比或表面密度在超导接头中的长丝的铌钛合金中的α-Ti析出小于铌钛超导线中的铌钛合金中的α-Ti析出物的体积比或表面密度超导接头以外的部分。

10. 发明申请

US20090054242A1 SUPERCONDUCTING WIRE, METHOD OF MANUFACTURING THE SAME, ANTENNA COIL FOR NMR PROBE AND NMR SYSTEM USING THE SAME 审中-公开
标题翻译：超导线，其制造方法，用于NMR探针的天线线圈及其使用的NMR系统
公开(公告)号：US20090054242A1
公开(公告)日：2009-02-26
申请号：US12193076
申请日：2008-08-18
申请人： Masaya Takahashi , Michiya Okada , Hiroyuki Yamamoto , Yoshihide Wadayama , Genzo Iwaki
发明人： Masaya Takahashi , Michiya Okada , Hiroyuki Yamamoto , Yoshihide Wadayama , Genzo Iwaki
IPC分类号： G01R33/035 , H01B12/02 , G01R33/341 , H01L39/24 , H01L39/12
CPC分类号： G01R33/34046 , G01R33/035 , G01R33/34023 , G01R33/34053 , G01R33/34092 , H01L39/24 , H01L39/2406 , H01L39/2419 , H01L39/2487
摘要： A superconducting wire, a method of manufacturing the superconducting wire, an antenna coil and a NMR system are disclosed. At least a superconducting material, a paramagnetic material and a diamagnetic material are closely attached and integrated with each other to form a longitudinally continuous wire. The paramagnetic material and the diamagnetic material are arranged in such a manner that the magnetic properties of the paramagnetic material and the diamagnetic material substantially offset each other in the longitudinal and diametrical directions. A superconducting layer is exposed to a part or the whole of the outer periphery of the wire. A low-resistance material layer is formed inside the superconducting layer.
摘要翻译：公开了超导线，制造超导线的方法，天线线圈和NMR系统。至少一种超导材料，顺磁性材料和抗磁性材料紧密连接并且彼此集成以形成纵向连续的导线。顺磁材料和抗磁性材料以这样一种方式排列，使得顺磁性材料和抗磁性材料的磁特性在纵向和直径方向基本上相互抵消。超导层暴露于线的一部分或整个外周。在超导层内形成低电阻材料层。

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