Superconducting bodies made of zinc-doped copper oxide material
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United States of America Patent
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Nov 2, 2004
Grant Date -
Nov 21, 2002
app pub date -
Aug 17, 2001
filing date -
Feb 17, 1999
priority date (Note) -
Expired
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Abstract
Superconductive bodies composed of cuprate material having a very critical current density with outer magnetic fields of up to 5 tesla when the bodies have a content of zinc cations. The bodies can also be subjected to modified oxygen treatment. The preferred cuprate materials are YBCO material and bismuth oxide based on superconductive material such as '2212' or '2223' type superconductive material. The preferred bodies are molded bodies obtained by melt texturing and 'powder-in-tube' bodies.
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