| 发明名称 |
Bi-Pb-Sr-Ca-Cu-O system superconductors. |
| 摘要 |
<p>A Bi-Pb-Sr-Ca-Cu-O system superconductor having a composition of BinPbmSrxCayCu2 wherein n is a number from 0.75 to 1.05, m is a number from 0.01 to 0.20, x is a number from 0.85 to 1.35 and y is a number from 1.00 to 1.35, or n is a number larger than 1.05 and not larger than 1.15, m is a number from 0.12 to 0.25, x is a number from 1.20 to 1.35 and y is a number from 1.20 to 1.35, when they are normalized with the Cu mole number of 2, which has Tc of at least 107 K or 108 K.</p> |
| 申请公布号 |
EP0400666(A2) |
申请公布日期 |
1990.12.05 |
| 申请号 |
EP19900110464 |
申请日期 |
1990.06.01 |
| 申请人 |
TODA KOGYO CORP.;NEC CORPORATION;SEISAN KAIHATSU KAGAKU KENKYUSHO |
发明人 |
TAKADA, TOSHIO;TAKANO, MIKIO;MIURA, YOSHINARI;TAKADA, JUN;ODA, KIICHI;YAMAMOTO, NAOICHI |
| 分类号 |
H01L39/12 |
主分类号 |
H01L39/12 |
| 代理机构 |
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代理人 |
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| 主权项 |
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