Process for producing a strip-shaped, multi-core superconductor with high-Tc superconducting material and superconductor produced by this process
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United States of America Patent
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Oct 29, 2002
Grant Date -
N/A
app pub date -
Aug 25, 2000
filing date -
Dec 22, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process is disclosed for producing a strip-shaped superconductor with several conductor cores made of a high-T.sub.c superconducting material and surrounded by a normal conducting material. A conductor blank (2a) produced from a fabricated conductor should be rolled flat at least once. For that purpose, the conductor blank is fed into the gap (7) between two rollers (8, 9) of which the rolling surfaces (8a, 9a) describe a concave, at least approximately elliptical contour at least in the rolling region (8a). The strip-shaped multi-core conductor produced in this way advantageously contains superconducting cores made of a bi-cuprate embedded in an Ag matrix.
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