High critical temperature superconducting wire with radially gro

Details High critical temperature superconducting wire with radially gro High critical temperature superconducting wire with radially gro

1992-04-30

1993-12-14

King, Roy

Superconductor technology: apparatus, material, process

High temperature , per se

Having tc greater than or equal to 150 k

505704, 505733, 505740, 427 62, 427596, 4273762, 4274192, 29599, 1741251, B05D 306, B05D 512

Patent

active

052702960

ABSTRACT:
A method of making a composite high-temperature superconducting wire in which a layer of a superconductive oxide is coated onto a refractory core by melting a zone of the layer uniformly all around the core as the core is drawn through the focus of a reflector having the shape of a paraboloid of revolution while directing onto the reflector a collimated beam of an energy sufficient to melt the layer. The melted layer is cooled with a substantially radially symmetrical thermal gradient to form the superconducting oxide ceramic layer on the core with radially-directed growth of columnar grains of the superconducting oxide ceramic.

REFERENCES:
patent: 5070071 (1991-12-01), Geballe et al.

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