发明授权
- 专利标题： Process for preparting a bismuth-type compound oxide superconductor
- 专利标题（中）： 制备铋型复合氧化物超导体的方法
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申请号： US400819申请日： 1989-08-30
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公开(公告)号： US4942152A公开(公告)日： 1990-07-17
- 发明人: Hideo Itozaki , Keizo Harada , Shuji Yazu
- 申请人： Hideo Itozaki , Keizo Harada , Shuji Yazu
- 申请人地址： JPX Osaka
- 专利权人： Sumitomo Electric Industries, Ltd.
- 当前专利权人： Sumitomo Electric Industries, Ltd.
- 当前专利权人地址： JPX Osaka
- 优先权： JPX63-216036 19880830
- 主分类号： C04B35/45
- IPC分类号： C04B35/45 ; C23C14/08 ; H01L39/24
摘要：
A novel process for preparing superconductor of bismuth-containing compound oxide such as Bi--Sr--Ca--Cu system.In the present invention, firstly an intermediate compound oxide containing metal elements of the superconductor except bismuth is prepared and then the intermediate compound oxide is contacted with bismuth oxide vapour at a temperature between 750.degree. and 950.degree. C. so that bismuth oxide is reacted with said intermediate compound oxide.
公开/授权文献
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