Oxide superconductor and method of producing same
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United States of America Patent
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Oct 19, 1999
Grant Date -
N/A
app pub date -
Feb 27, 1998
filing date -
Feb 28, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
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
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