Superconducting wire and superconducting coil
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United States of America Patent
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Mar 30, 2021
Grant Date -
Jan 4, 2018
app pub date -
Dec 22, 2015
filing date -
Jan 7, 2015
priority date (Note) -
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Abstract
The present invention is a superconducting wire including: a wire formed of a superconducting material; and a superconducting stabilization material disposed in contact with the wire, in which the superconducting stabilization material is formed of a copper material which contains: one or more types of additive elements selected from Ca, Sr, Ba, and rare earth elements in a total of 3 ppm by mass to 400 ppm by mass; a balance being Cu and inevitable impurities, and in which a total concentration of the inevitable impurities excluding O, H, C, N, and S which are gas components is 5 ppm by mass to 100 ppm by mass.
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