Patent ID: 9330819
Filing Date: 2016-05-03
CPC Classification: H01B,H01L,Y10T

Claim Text:
1. A semi-finished wire for an Nb 3 Sn superconducting wire, the semi-finished wire being processed into the Nb 3 Sn superconducting wire by subjecting the semi-finished wire to a reaction heat treatment, wherein the semi-finished wire comprises the following elements, the structure of which is hereby recited prior to application of that reaction heat treatment: a multiplicity of elements containing Nb packed against each other, said elements containing Nb each having a rod containing Nb and an enclosure containing Cu which surrounds said rod containing Nb, wherein said enclosures containing Cu of said elements containing Nb, contain Sn; a structure containing Sn; and a matrix containing Cu in which said structure containing Sn is disposed and on or in which said elements containing Nb are disposed.