发明授权
US5066636A Citrate/ethylenediamine gel method for forming high temperature
superconductors
失效
用于形成高温超导体的柠檬酸盐/乙二胺凝胶法
- 专利标题： Citrate/ethylenediamine gel method for forming high temperature superconductors
- 专利标题（中）： 用于形成高温超导体的柠檬酸盐/乙二胺凝胶法
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申请号： US567940申请日： 1990-08-15
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公开(公告)号： US5066636A公开(公告)日： 1991-11-19
- 发明人: Ru-Shi Liu , Wang-Nang Wang , Chan-Ting Chang
- 申请人： Ru-Shi Liu , Wang-Nang Wang , Chan-Ting Chang
- 申请人地址： TWX
- 专利权人： Industrial Technology Research Institute
- 当前专利权人： Industrial Technology Research Institute
- 当前专利权人地址： TWX
- 主分类号： C04B35/45
- IPC分类号： C04B35/45 ; C04B35/624 ; H01L39/24
摘要：
A citrate/ethylenediamine gel method for forming oxide superconductors of the Y-Ba-Cu-O, Bi-Ca-Sr-Cu-O, Tl-Ca-Ba-Cu-O system by employing the nitrates of the individual metals and citric acid. Ethylenediamine is then added to form gels. These materials then undergo calcination and sintering processes. The respective superconductors obtained possess a superconducting zero resistance temperature at 93K, 78K and 118K respectively.
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