| 摘要 |
PURPOSE:To obtain a superconductor of excellent mechanical strength and cooling performance by reinforcing at least one layer out of a metal hollow substance, an interlaid metallic material layer and an outside metallic material layer with heat-resistance high strength metallic material. CONSTITUTION:A conductor has a ceramic saperconductor layer 2 spirally wound on the outer periphery of a metal hollow substance 1 wound-shaped in its section with a metallic material layer 3 laid there between, and also has a metallic material layer 4 applied along the outer periphery of a wound substance. In the metal hollow substance 1, heat resistance high strength metallic material 5 is buried for reinforcement. The ceramic superconductor with the outer periphery and the hollow portion of the metal hollow substance 1 cooled by cooling medium is used. For the ceramics superconductor layer, superconduc tor such as Bi group and Y group or optional superconductor such as Tl-Ba-Ca- Cu-O group and Ln-Ba-Cu-O group is used. For the metal hollow substance, the interlaid metallic material layer and the outside coating metallic material layer, good heat conductivity metallic material such as Ag, Au, Cu or relative alloy is used. As reinforcing material for these metallic material, heat-resistance high strength metallic material such as Ni, SUS is used.
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