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公开(公告)号:US5122503A
公开(公告)日:1992-06-16
申请号:US684463
申请日:1991-04-09
申请人: Masaru Yamano , Atsuo Mizukami , Masao Nakao , Shingo Terakado , Ryohkan Yuasa , Masaaki Nemoto , Hiromi Mukaida , Kazuaki Shikiti
发明人: Masaru Yamano , Atsuo Mizukami , Masao Nakao , Shingo Terakado , Ryohkan Yuasa , Masaaki Nemoto , Hiromi Mukaida , Kazuaki Shikiti
CPC分类号: H01L39/2419 , C04B35/4508 , Y10S505/725 , Y10S505/739 , Y10S505/742 , Y10S505/78
摘要: The present invention relates to a superconducting material that is, substances having compositions expressed by empirical formulae Y.sub.1-x Ba.sub.x CuO.sub.3, YBa.sub.2 Cu.sub.3 O.sub.7 and LnBa.sub.2 Cu.sub.3 O.sub.7 and critical temperatures of 90 K. or more, and to a method of producing the same in which for example Y.sub.2 O.sub.3, BaCO.sub.3 and CuO are blended at a mixture molar ratio of 1:2:6 and the resulting mixture is molded under pressure followed by slowly cooling in an oxidizing atmosphere.
摘要翻译: 本发明涉及一种超导材料,其是具有由经验式Y1-xBaxCuO3,YBa2Cu3O7和LnBa2Cu3O7表示的组成以及90K以上的临界温度的组成的物质及其制造方法,其中例如Y 2 O 3,BaCO 3 和CuO以1:2:6的混合摩尔比共混,并将所得混合物在压力下成型,然后在氧化气氛中缓慢冷却。