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    Preparation of oxide crystals
    4.
    发明授权
    Preparation of oxide crystals 失效
    氧化物晶体的制备

    公开(公告)号：US5817172A

    公开(公告)日：1998-10-06

    申请号：US739758

    申请日：1996-10-29

    申请人： Yasuji Yamada ,  Yusuki Niiori ,  Yoshiaki Ito ,  Yutaka Yoshida ,  Izumi Hirabayashi

    发明人： Yasuji Yamada ,  Yusuki Niiori ,  Yoshiaki Ito ,  Yutaka Yoshida ,  Izumi Hirabayashi

    IPC分类号： C01G1/00 ,  C01G3/00 ,  C30B9/00 ,  C30B13/00 ,  C30B15/02 ,  C30B19/04 ,  C30B29/22 ,  H01B12/00 ,  H01B13/00 ,  C30B13/26

    CPC分类号： C30B29/225 ,  C30B13/00 ,  C30B9/00

    摘要： For the solution growth, a solvent is used which is composed of a mixture of an oxide containing at least one member of those elements which constitute the oxide crystal and a halide containing at least one member of those elements which constitute the oxide crystal. The process enables the temperature of crystal growth to be lowered to a significant extent, avoids inclusions such as impure anionic elements from getting intruded into the oxide crystal, while retaining adequate crystal growth through solution growth, and affords, in spite of an atmospheric mode of crystal growth and with the pinning force of magnetic flux used to advantage, the same level of beneficial effects as in a mode of crystal growth at a low oxygen pressure.

    摘要翻译： 对于溶液生长，使用由包含构成氧化物晶体的那些元素中的至少一个元素的氧化物和包含构成氧化物晶体的元素的至少一种元素的卤化物的混合物组成的溶剂。 该方法使晶体生长的温度能够显着降低，避免诸如不纯的阴离子元素等夹杂物侵入到氧化物晶体中，同时通过溶液生长保持足够的晶体生长，并且尽管存在大气模式 晶体生长和磁通量的钉扎力有利，与低氧压力下的晶体生长模式相同程度的有益效果。

    Method for making rare earth superconductive composite
    7.
    发明授权
    Method for making rare earth superconductive composite 失效
    制备稀土超导复合材料的方法

    公开(公告)号：US5496799A

    公开(公告)日：1996-03-05

    申请号：US366384

    申请日：1994-12-29

    申请人： Manabu Yoshida ,  Izumi Hirabayashi

    发明人： Manabu Yoshida ,  Izumi Hirabayashi

    IPC分类号： C01G1/00 ,  C01G3/00 ,  C04B35/00 ,  C04B35/45 ,  C04B35/653 ,  H01B12/00 ,  H01B13/00 ,  H01L39/24

    CPC分类号： C04B35/4508 ,  C04B35/653 ,  H01L39/2483

    摘要： A method for making a rare earth superconductive composite which includes a matrix of REBa.sub.2 Cu.sub.3 O.sub.7-x grains and fine particles of RE.sub.2 BaCuO.sub.5 dispersed therein. The method includes a step of forming a compacted mass of powder particles of REBa.sub.2 Cu.sub.3 O.sub.7-x and powder particles of RE.sub.2 BaCuO.sub.5, each of which has an average diameter not greater than 6 .mu.m, and a maximum diameter not greater than 20 .mu.m. The compacted mass is heated to temperature higher than an incongruent melting temperature of the REBa.sub.2 Cu.sub.3 O.sub.7-x and lower than an incongruent melting temperature of RE.sub.2 BaCuO.sub.5, and is gradually cooled such that fine particles of RE.sub.2 BaCuO.sub.5 are dispersed in REBa.sub.2 Cu.sub.3 O.sub.7-x grains. The mass is annealed in an atmosphere containing oxygen.

    摘要翻译： 一种制备稀土超导复合材料的方法，其包括REBa2Cu3O7-x晶粒的基体和分散在其中的RE2BaCuO5的细颗粒。 该方法包括形成REBa2Cu3O7-x粉末颗粒和RE2BaCuO5粉末颗粒的压实块的平均直径不大于6μm，最大直径不大于20μm的步骤。 将压实的物料加热到高于REBa2Cu3O7-x的不一致熔融温度并低于RE2BaCuO5的不一致熔融温度的温度，并逐渐冷却，使得RE2BaCuO5的细颗粒分散在REBa2Cu3O7-x颗粒中。 质量在含氧的气氛中退火。

    Oxide superconducting film and method of preparing the same
    8.
    发明授权
    Oxide superconducting film and method of preparing the same 有权
    氧化物超导薄膜及其制备方法

    公开(公告)号：US07732376B2

    公开(公告)日：2010-06-08

    申请号：US12550445

    申请日：2009-08-31

    申请人： Takeshi Araki ,  Koichi Nakao ,  Izumi Hirabayashi

    发明人： Takeshi Araki ,  Koichi Nakao ,  Izumi Hirabayashi

    IPC分类号： H01B1/12 ,  H01L39/24

    CPC分类号： C23C18/1216 ,  C23C18/1254 ,  C23C18/1279 ,  C23C18/1283 ,  H01L39/2425 ,  Y10T428/265

    摘要： The present invention relates to a method of preparing an oxide superconducting film, the method includes reacting a metal acetate containing metal M selected from the group consisting of lanthanum, neodymium and samarium with fluorocarboxylic acid having not less than three carbon atoms, reacting barium acetate with fluorocarboxylic acid having two carbon atoms, reacting copper acetate with fluorocarboxylic acid having not less than two carbon atoms, respectively, followed by refining reaction products, dissolving the reaction products in methanol such that a molar ratio of the metal M, barium and copper is 1:2:3 to prepare a coating solution, and coating a substrate with the coating solution to form a gel film, followed by calcining and firing the gel film to prepare an oxide superconducting film.

    摘要翻译： 本发明涉及一种制备氧化物超导膜的方法，该方法包括使选自镧，钕和钐的金属乙酸盐与含有不少于3个碳原子的氟代羧酸反应，使乙酸钡与 具有两个碳原子的氟代羧酸，分别使乙酸铜与不少于2个碳原子的氟代羧酸反应，然后精制反应产物，将反应产物溶解在甲醇中，使金属M，钡和铜的摩尔比为1 ：2:3以制备涂布溶液，并用涂布溶液涂布基材以形成凝胶膜，然后煅烧和烧结凝胶膜以制备氧化物超导膜。

    Method of preparing oxide superconducting film
    9.
    发明授权
    Method of preparing oxide superconducting film 有权
    制备氧化物超导薄膜的方法

    公开(公告)号：US07361627B2

    公开(公告)日：2008-04-22

    申请号：US11354970

    申请日：2006-02-16

    申请人： Takeshi Araki ,  Koichi Nakao ,  Izumi Hirabayashi

    发明人： Takeshi Araki ,  Koichi Nakao ,  Izumi Hirabayashi

    IPC分类号： H01B12/00 ,  H01L39/12 ,  B05D5/12

    CPC分类号： C23C18/1216 ,  C23C18/1254 ,  C23C18/1279 ,  C23C18/1283 ,  H01L39/2425 ,  Y10T428/265

    摘要： The present invention relates to a method of preparing an oxide superconducting film, the method includes reacting a metal acetate containing metal M selected from the group consisting of lanthanum, neodymium and samarium with fluorocarboxylic acid having not less than three carbon atoms, reacting barium acetate with fluorocarboxylic acid having two carbon atoms, reacting copper acetate with fluorocarboxylic acid having not less than two carbon atoms, respectively, followed by refining reaction products, dissolving the reaction products in methanol such that a molar ratio of the metal M, barium and copper is 1:2:3 to prepare a coating solution, and coating a substrate with the coating solution to form a gel film, followed by calcining and firing the gel film to prepare an oxide superconducting film.

    摘要翻译： 本发明涉及一种制备氧化物超导膜的方法，该方法包括使选自镧，钕和钐的金属乙酸盐与含有不少于3个碳原子的氟代羧酸反应，使乙酸钡与 具有两个碳原子的氟代羧酸，分别使乙酸铜与不少于2个碳原子的氟代羧酸反应，然后精制反应产物，将反应产物溶解在甲醇中，使金属M，钡和铜的摩尔比为1 ：2:3以制备涂布溶液，并用涂布溶液涂布基材以形成凝胶膜，然后煅烧和烧结凝胶膜以制备氧化物超导膜。

    Preparing method of oxide superconductor, raw material for oxide superconductor, and preparing method of raw material for oxide superconductor
    10.
    发明授权
    Preparing method of oxide superconductor, raw material for oxide superconductor, and preparing method of raw material for oxide superconductor 有权
    氧化物超导体的制备方法，氧化物超导体的原料以及氧化物超导体的原料的制备方法

    公开(公告)号：US06821930B2

    公开(公告)日：2004-11-23

    申请号：US10441224

    申请日：2003-05-20

    申请人： Takeshi Araki ,  Katsuya Yamagiwa ,  Izumi Hirabayashi

    发明人： Takeshi Araki ,  Katsuya Yamagiwa ,  Izumi Hirabayashi

    IPC分类号： H01L3924

    CPC分类号： H01L39/2425 ,  Y10T29/49014

    摘要： An aqueous solution of mixed metal acetate including one kind or more of element selected from lanthanide series and yttrium, barium and copper is mixed with trifluoroacetic acid to prepare a solution of mixed metal trifluoroacetate. From a solution of mixed metal trifluoroacetate obtained thus, purified mixed metal trifluoroacetate of which total content of water and acetic acid is 2% by weight or less is prepared. With purified mixed metal trifluoroacetate, an oxide superconductor of excellent performance may be prepared.

    摘要翻译： 将选自镧系元素和钇，钡和铜中的一种或多种元素的混合金属乙酸盐的水溶液与三氟乙酸混合以制备混合金属三氟乙酸盐的溶液。 从由此获得的混合金属三氟乙酸盐溶液制备其中水和乙酸的总含量为2重量％以下的纯化的三氟乙酸盐混合物。 使用纯化的三氟乙酸盐混合金属，可以制备出优异性能的氧化物超导体。