Process for producing superconductor
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United States of America Patent
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Dec 12, 2006
Issued Date -
N/A
app pub date -
Dec 16, 2003
filing date -
Mar 21, 2000
priority date (Note) -
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Abstract
A superconducting material useful for forming electrolytic devices is made by establishing multiple niobium or tantalum components in a primary billet of a ductile material; working the primary billet through a series of reduction steps to form the niobium or tantalum components into elongated elements; cutting and restacking the resulting elongated elements with a porous confining layer to form a secondary billet, working the secondary billet through a series of reduction steps including twisting and final rolling to thin ribbon cross-sections with greater than 5:1 Aspect Ratios; cutting the resulting elongated billet into sections; and leaching the core and sheath at least in part.
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