发明授权
- 专利标题： Superconducting material
- 专利标题（中）： 超导材料
-
申请号： US567958申请日： 1990-08-15
-
公开(公告)号： US5169830A公开(公告)日： 1992-12-08
- 发明人: Takahiro Wada , Shinichi Koriyama , Takeshi Sakurai , Nobuo Suzuki , Takayuki Miyatake , Hisao Yamauchi , Naoki Koshizuka , Shoji Tanaka
- 申请人： Takahiro Wada , Shinichi Koriyama , Takeshi Sakurai , Nobuo Suzuki , Takayuki Miyatake , Hisao Yamauchi , Naoki Koshizuka , Shoji Tanaka
- 申请人地址： JPX all of JPX all of JPX all of JPX all of
- 专利权人： Internationnal Superconductivity Technology Center,Mitsubushi Metal Corporation,Kyocera Corporation,The Tokyo Electric Power Company
- 当前专利权人： Internationnal Superconductivity Technology Center,Mitsubushi Metal Corporation,Kyocera Corporation,The Tokyo Electric Power Company
- 当前专利权人地址： JPX all of JPX all of JPX all of JPX all of
- 优先权： JPX1-213728 19890818; JPX1-282702 19891030
- 主分类号： H01L39/12
- IPC分类号： H01L39/12
摘要：
A superconductive material is disclosed which has the following composition:(R.sub.1-x Ca.sub.x)(Ba.sub.1-y La.sub.y).sub.2 Cu.sub.4 O.sub.8wherein R is at least one element selected from Y, Nd, Sm, Eu, Gd, Dy, Ho, Er, Tm, Yb and Lu, x is a number in the range of 0-0.3 and y is a number in the range of 0.001-0.3 with the proviso that y is not greater than 0.2 when x is not 0.
公开/授权文献
信息查询
IPC分类:
