发明授权
- 专利标题： Superconducting material of metal oxides
- 专利标题（中）： 金属氧化物的超导材料
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申请号： US662457申请日： 1991-02-28
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公开(公告)号： US5190914A公开(公告)日： 1993-03-02
- 发明人: Shin-ichi Koriyama , Kazuhiro Sakuyama , Toshihiko Maeda , Hisao Yamauchi , Shoji Tanaka
- 申请人： Shin-ichi Koriyama , Kazuhiro Sakuyama , Toshihiko Maeda , Hisao Yamauchi , Shoji Tanaka
- 申请人地址： JPX all of JPX all of JPX all of JPX all of
- 专利权人： International Superconductivity Technology Center,Kyocera Corporation,Tohoku Electric Power Company, Inc.,Furukawa Electric Co., Ltd.
- 当前专利权人： International Superconductivity Technology Center,Kyocera Corporation,Tohoku Electric Power Company, Inc.,Furukawa Electric Co., Ltd.
- 当前专利权人地址： JPX all of JPX all of JPX all of JPX all of
- 优先权： JPX2-51483 19900302
- 主分类号： C01G21/00
- IPC分类号： C01G21/00 ; C01G1/00 ; C04B35/00 ; C04B35/45 ; H01B12/00 ; H01B13/00 ; H01L39/12 ; H01L39/24
摘要：
A superconducting material is disclosed which includes oxides of metals having the following composition:(Pb.sub.1-z Cu.sub.z) ((Sr.sub.1-y Ba.sub.y).sub.1-v Ca.sub.v).sub.2 (A.sub.1-x Ca.sub.x)Cu.sub.2wherein A is at least one element selected from the group consisting of Y, La, Nd, Sm, Eu, Gd, Ho, Er, Yb and mixtures of at least one of Y, La, Nd, Sm, Eu, Gd, Ho, Er and Yb with at least one of Tb, Tm and Lu, x, y, v and z are numbers satisfying the following conditions:0.ltoreq.x.ltoreq.0.4,0.1.ltoreq.y
公开/授权文献
- USD290408S Luminaire 公开/授权日：1987-06-16