| 发明名称 |
Superconducting material. |
| 摘要 |
<p>A superconductive material is disclosed which has the following composition: (R1-xCax)(Ba1-yLay)2Cu4O8 wherein 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.</p> |
| 申请公布号 |
EP0413581(A2) |
申请公布日期 |
1991.02.20 |
| 申请号 |
EP19900308994 |
申请日期 |
1990.08.16 |
| 申请人 |
INTERNATIONAL SUPERCONDUCTIVITY TECHNOLOGY CENTER;KYOCERA CORPORATION;MITSUBISHI METAL CORPORATION;THE TOKYO ELECTRIC POWER CO., INC. |
发明人 |
WADA, TAKAHIRO;KORIYAMA, SHINICHI;SAKURAI, TAKESHI;SUZUKI, NOBUO;MIYATAKE, TAKAYUKI;YAMAUCHI, HISAO;KOSHIZUKA, NAOKI;TANAKA, SHOJI |
| 分类号 |
H01L39/12 |
主分类号 |
H01L39/12 |
| 代理机构 |
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