Method for fabricating superconducting wire, and...

H - Electricity – 01 – B

Patent

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H01B 13/00 (2006.01) H01B 12/06 (2006.01)

Patent

CA 2620888

Disclosed is a method for producing a superconducting wire which enables to reduce the production cost while improving the mechanical strength of the superconducting wire. Also disclosed is a superconducting device comprising a superconducting wire obtained by such a method. Specifically disclosed is a method for producing a superconducting wire, which comprises a step for forming a superconducting layer on a substrate or an intermediate layer formed on the substrate; a step for forming a silver stabilization layer on the superconducting layer; a step for immersing the substrate, on which the superconducting layer and the silver stabilization layer are formed, in an aqueous solution of copper sulfate; and a step for forming a copper stabilization layer on the silver stabilization layer by electroplating using the aqueous solution of copper sulfate as the plating bath. Also specifically disclosed is a superconducting device comprising a superconducting wire obtained by such a method.

Cette invention concerne un procédé de production d~un fil supraconducteur permettant de réduire le coût de production tout en améliorant la résistance mécanique dudit fil. Cette invention concerne également un dispositif supraconducteur comprenant un fil supraconducteur obtenu par un tel procédé. Plus précisément, cette invention concerne un procédé de production d~un fil supraconducteur consistant à former une couche supraconductrice sur un substrat ou une couche intermédiaire formée sur le substrat, à former une couche de stabilisation à base d~argent sur la couche supraconductrice, à immerger le substrat, sur lequel la couche supraconductrice et celle de stabilisation à base d~argent sont formées, dans une solution aqueuse de sulfate de cuivre, et à former une couche de stabilisation à base de cuivre sur celle à base d~argent par électrodéposition utilisant la solution aqueuse de sulfate de cuivre en tant que bain d~électrolyse. Plus précisément, cette invention concerne également un dispositif supraconducteur comprenant un fil supraconducteur obtenu par un tel procédé.

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