Superconducting ribbon process using laser heating

Details Superconducting ribbon process using laser heating Superconducting ribbon process using laser heating

1990-02-27

1992-06-16

Kunemund, Robert

Superconductor technology: apparatus, material, process

High temperature , per se

Having tc greater than or equal to 150 k

505729, 505739, 505740, 156600, 1566201, 156DIG88, C30B 1102

Patent

active

051225042

ABSTRACT:
A method of growing a superconducting ribbon from a molten region of a Bi-based superconducting source material using two parallel platinum support wires is described. A method of annealing the ribbon in air to reduce the quantity of nonsuperconducting phases is also described.

REFERENCES:
patent: 4036660 (1977-07-01), Mlavsky
patent: 4661200 (1987-04-01), Sachs
patent: 4689109 (1987-08-01), Sachs
patent: 4851416 (1989-08-01), Morrison
Jiang et al., "Crystal Growth of Y-Ba-Cu-O Compound by Laser Floating Zone Melting", Extended Abstracts, High Temp. Super. (II) M.R.S., Apr. 1988, pp. 125-128.
Carrillo-Cabrera et al, "Preparation and Growth of (Bi,Bb)-Sr-Ca-Cu-O Superconductor Fibers", Appl. Phys. Lett. 55(10) Sep. 4, 1989 pp. 1032-1034.
Gazit et al. (I), "Growth of Bi-Based Superconducing Ribbons" Journal of Crystal Growth; vol. 98 (1989) pp. 541-544.
Gazit et al. (II), "Laser-Heated Pedestal Growth of High T.sub.c Bi-Sr-Ca-Cu-O Superconducting Fibers", Journal of Crystal Growth vol. 91 (1988) pp. 318-330.

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