Compound superconducting wire and method of manufacturing the sa

Details Compound superconducting wire and method of manufacturing the sa Compound superconducting wire and method of manufacturing the sa

1989-06-09

1991-02-05

Roy, Upendra

Stock material or miscellaneous articles

All metal or with adjacent metals

Laterally noncoextensive components

29599, 148 115Q, 420901, 428930, H01B 1200, H01L 3924

Patent

active

049904116

ABSTRACT:
A composite member is prepared which comprises a core which will have a compound superconducting layer when heat-treated, and a stock for forming a stabilizing member made of copper and surrounding the core. The composite member is heat-treated in an oxidizing atmosphere, thus forming a copper-oxide thin layer on the surface of the stock. Thereafter, the composite member is heat-treated in a non-oxidizing atmosphere or in an atmosphere having an oxygen partial pressure which is too low to allow the forming of copper oxide. As a result, a compound superconducting wire is made which comprises a member including a compound superconductor, a diffusion-preventing layer made of oxide and surrounding the member, and a stabilizing member made of copper and surrounding the layer.

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patent: 4803310 (1989-02-01), Zeitlin et al.
patent: 4863804 (1989-09-01), Whitlow et al.

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