发明授权
- 专利标题： Oxide superconductor and method of producing same
- 专利标题（中）： 氧化物超导体及其制造方法
-
申请号： US32027申请日： 1998-02-27
-
公开(公告)号： US5968878A公开(公告)日： 1999-10-19
- 发明人: Hiroki Kojo , Sang-Im Yoo , Masato Murakami
- 申请人： Hiroki Kojo , Sang-Im Yoo , Masato Murakami
- 申请人地址： JPX JPX
- 专利权人： International Superconductivity Technology Center,Railway Technical Research Institute
- 当前专利权人： International Superconductivity Technology Center,Railway Technical Research Institute
- 当前专利权人地址： JPX JPX
- 优先权： JPX9-046607 19970228
- 主分类号： C01G1/00
- IPC分类号： C01G1/00 ; C01G3/00 ; C04B35/45 ; C04B35/653 ; H01B12/00 ; H01B13/00 ; H01L39/12 ; C04B35/64
摘要：
A high critical temperature and high critical current density superconductor containing a matrix phase of a metal oxide expressed by the formula RE.sup.1 Ba.sub.2 Cu.sub.3 O.sub.p wherein RE.sup.1 stands for La, Nd, Sm, Eu or Gd and p is a number of 6.8-7.2, a first dispersed phase of a metal oxide expressed by the formula RE.sup.2.sub.1+d Ba.sub.2-d Cu.sub.3 O.sub.q wherein RE.sup.2 stands for La, Nd, Sm, Eu or Gd, d is a number of 0