Superconductive ceramic wire and method for making same

Details Superconductive ceramic wire and method for making same Superconductive ceramic wire and method for making same

1990-07-25

1992-05-05

Nimmo, Morris H.

Superconductor technology: apparatus, material, process

High temperature , per se

Having tc greater than or equal to 150 k

29599, 1741251, 505887, 505917, H01B 1200

Patent

active

051107899

ABSTRACT:
The present invention is related to a superconductive ceramic wire and a method for making same.
According to the first aspect of the invention, there is provided a method for making a superconductive ceramic wire, the method comprising the steps of: (a) preparing a superconductive porous ceramics; (b) depositing lead in the pores of the ceramics; (c) covering the lead-deposited ceramics with a metal; and (d) extending the metal-clad and lead-deposited ceramics.
According to the second aspect of the invention, there is provided a superconductive ceramic wire which is obtained by: (a) preparing a superconductive porous ceramics; (b) depositing lead in the pores of the ceramics; (c) covering the lead-deposited ceramics with a metal; and (d) extending the metal-clad lead-deposited ceramics.

REFERENCES:
Okada, M. et al; Fabrication of Ag-Sheathed Ba-Y-Cu Oxide Superconductor, Applied Physics Letters, S.C. Powder Encapsulation in Ag.
Soeta, A. et al; Microstructures of YBa.sub.2 Cu.sub.3 O.sub.7-.delta. with Various Critical Current Densities; Extended Abstracts Material Research Society; Apr. 5-9, 1988 (Reno, Nev.), pp,. 243-245. High-Temperature Superconductors II.
Yamada, Y. et al.; Critical Current Density of Wire Type Y-Ba-Cu Oxide Superconductor; vol. 26, No. 5, May 1987, pp. L865-L866.
Saito, Y. et al; Composition Dependence of Superconductivity in (Ba.sub.0.1 La.sub.1.9)Ag,Cu.sub.1- x O.sub.4- y System; Japanese Journal of Applied Physics; vol. 26, No. 5, May, 1987.

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