VALVE METAL RIBBON TYPE FIBERS FOR SOLID ELECTROLYTIC CAPACITORS
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United States of America Patent
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Issued Date -
Sep 20, 2007
app pub date -
Mar 19, 2007
filing date -
Mar 17, 2006
priority date (Note) -
Abandoned
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Abstract
A method for making superconducting material useful for forming electrolytic devices comprising the steps of establishing multiple valve metal rods in a primary billet of a ductile material; working the primary billet to a series of reduction steps to form said valve metal rods into a plurality of elongated elements surrounded at least in part by the ductile material; cutting the elongated elements from step (b) and bundling the cut elements to form a secondary billet; working the secondary billet through a series of reduction steps followed by rolling to final thickness; removing the ductile material, whereby to leave valve metal elongated fibers; and sintering the elongated fibers from step (e) under vacuum.
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