Metal working – Method of mechanical manufacture – Electrical device making
Patent
1985-11-21
1987-03-03
Goldberg, Howard N.
Metal working
Method of mechanical manufacture
Electrical device making
174126S, 148 115R, 148 115Q, H01L 3924
Patent
active
046464280
ABSTRACT:
The centers of a plurality of copper tubes are filled with tin and drawn to form Cu-Sn wires which are cabled around a core Nb wire; a plurality of these strands are provided in a copper tube, or a copper foil or finely wound copper wire; and a plurality of said tubes are packed into a copper can to form a billet which is drawn to produce a multifilament wire; and heat treatment is applied to cause the tin to diffuse and form the intermetallic Nb.sub.3 Sn at the surface of the Nb filaments to produce the ultimate superconducting wire product.
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Hong Seung-Ok
Marancik William G.
Arbes Carl J.
Goldberg Howard N.
Klauber Stefan J.
Oxford Superconducting Technology
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