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    Superconducting magnet made of high-temperature bulk superconductor and process of producing same
    1.
    发明公开
    Superconducting magnet made of high-temperature bulk superconductor and process of producing same 有权
    Supraleitender Magnet aus einem Hochtemperatur-Supraleitervollkörperund dessen Herstellungsverfahren

    公开(公告)号：EP1372164A2

    公开(公告)日：2003-12-17

    申请号：EP03013150.2

    申请日：2003-06-11

    申请人： INTERNATIONAL SUPERCONDUCTIVITY TECHNOLOGY CENTER ,  Railway Technical Research Institute

    发明人： Tomita, Masaru, Superconductivity Research Lab. ,  Murakami, Masato, Superconductivity Research Lab.

    IPC分类号： H01F6/00

    CPC分类号： H01L39/126 ,  H01F6/00 ,  H01L39/2464 ,  Y10T29/49014

    摘要： There is established means for providing a superconducting magnet made of a high-temperature bulk superconductor, capable of trapping a high magnetic field with ease and stably. The superconducting magnet made of the high-temperature bulk superconductor, for use by trapping a magnetic field, comprises the bulk superconductor provided with an artificial hole, a low melting metal impregnated into, and filling up at least the artificial hole, and a heat conducting metal material embedded with portions of the high-temperature bulk superconductor, impregnated with, and filled with the low melting metal. The superconducting magnet can be produced by a process comprising steps of providing the artificial hole in the high-temperature bulk superconductor, disposing the heat conducting metal material in at least the artificial hole, applying a process of impregnating and filling up at least the artificial hole with the low melting metal, and subsequently, executing a process of magnetizing.

    摘要翻译： 建立了用于提供由高温体超导体制成的超导磁体的能够容易且稳定地捕获高磁场的装置。 由用于捕获磁场的高温体超导体制成的超导磁体包括设置有人造孔的体超导体，浸入并填充至少人造孔的低熔点金属，以及导热的 金属材料嵌入高温体超导体的一部分，浸渍并填充低熔点金属。 超导磁体可以通过以下步骤制造，该方法包括以下步骤：在高温体超导体中设置人造孔，将导热金属材料设置在至少人造孔中，施加浸渍和填充至少人造孔 使用低熔点金属，随后执行磁化处理。

    Oxide superconductor having excellent crack-resistant property and process of producing same
    2.
    发明公开
    Oxide superconductor having excellent crack-resistant property and process of producing same 有权
    具有优异的耐裂纹性和其制造方法的氧化物超导体

    公开(公告)号：EP1079446A2

    公开(公告)日：2001-02-28

    申请号：EP00118416.7

    申请日：2000-08-24

    申请人： INTERNATIONAL SUPERCONDUCTIVITY TECHNOLOGY CENTER ,  Railway Technical Research Institute

    发明人： Tomita, Masaru, Superconductivity Research Lab. ,  Murakami, Masato, Superconductivity Research Lab.

    IPC分类号： H01L39/12 ,  H01L39/24

    CPC分类号： H01L39/2419 ,  H01L39/126 ,  Y10S505/729 ,  Y10S505/785

    摘要： The invention provides an oxide superconductor capable of sufficiently withstanding external force such as a large electromagnetic force and thermal stress accompanying rapid heating and cooling while in service, and internal stress so as to be able to exhibit a high trapped magnetic field stably over a long period of time. The oxide superconductor such as, for example, "a copper oxide superconductor containing rare earth elements" is composed of an oxide superconductive bulk body impregnated with a low melting metal, or an oxide superconductive bulk body, impregnated with a low melting metal, and having a thin film of the low melting metal, formed on the external surface thereof. Such oxide superconductors as described above can be produced by a process whereby the oxide superconductive bulk body kept in an atmosphere of reduced pressure is brought into contact with the low melting metal. Further, if the oxide superconductive bulk body is provided with pores beforehand, so that contact faces thereof with the low melting metal in a molten state are both the external surface of the oxide superconductive bulk body and the inner surface of the respective pores, further improvement in production efficiency and product performance can be expected.