H - Electricity – 01 – L
Patent
H - Electricity
01
L
117/112
H01L 39/24 (2006.01)
Patent
CA 2016807
METHOD FOR MANUFACTURING SUPERCONDUCTING ARTICLE ABSTRACT OF THE DISCLOSURE A method for manufacturing a superconducting article, comprising the steps of: forming a first layer comprising a mixture of LnBa2Cu3Ox and Ln2BaCuOx on the surface of a substrate, said Ln being an optional rare earth element; then locally and sequentially heating and melting the first layer to locally and sequentially form a molten pool of the mixture of the first layer, and causing the molten pool of the first layer to locally and sequentially solidify, thereby arranging the a-b plane of the crystal of the mixture of the first layer in parallel with the surface of the substrate; then forming a second layer comprising a mixture of at least CuO and BaCuO2 on the surface of the first layer; and then melting the mixture of the second layer to cause the resultant melt of the mixture of the second layer to diffusion-react with Ln2BaCuOx in the first layer so as to convert the first and second layers into a film of a superconducting substance comprising LnBa2Cu3Ox, in which the a-b plane of the crystal thereof is arranged in parallel with the surface of the substrate; thereby manufacturing a superconducting article comprising the substrate and the film of the superconducting substance formed on the surface of the substrate.
Kabasawa Makoto
Kosuge Shigeyoshi
Ono Moriaki
Shinbo Yukio
Macrae & Co.
Nkk Corporation
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