Superconductor technology: apparatus – material – process – High temperature – per se – Having tc greater than or equal to 150 k
Patent
1990-09-21
1992-06-02
Lechert, Jr., Stephen J.
Superconductor technology: apparatus, material, process
High temperature , per se
Having tc greater than or equal to 150 k
505739, 505813, 505821, 419 7, 419 20, 419 27, 428632, 428633, 428471, H01B 1200
Patent
active
051186632
ABSTRACT:
A method and apparatus for manufacturing a superconductor wire has a wire take-up spool and a feed speed control spool. A wire substrate is taken from the feed speed control spool and onto the take-up spool as the wire take-up spool is rotated. The wire passes through a container which holds a diffusion barrier material, where the diffusion barrier material is electrophoretically deposited onto the wire substrate and subsequently sintered. The wire is also passed through a container which holds a superconductor material suspended in solution, and a layer of the superconductor material is electrophoretically deposited onto the diffusion barrier. The grains of the superconductor layer are then magnetically aligned and sintered. Also, a silver coating is electrophoretically deposited onto the superconductor layer and sintered. A diffusion bonding inhibitor material is then applied to the silver coating. Then, the silver-coated superconductor wire is spooled and heated to four hundred degrees centigrade (400.degree. C.) for (1) day to oxidize the superconductor layer.
REFERENCES:
patent: 4937228 (1990-06-01), Takahashi
patent: 4983576 (1991-01-01), Hagino et al.
patent: 5041414 (1991-08-01), Reich
patent: 5047389 (1991-09-01), Woolf et al.
Elsner Frederick H.
Fisher Michael V.
Raggio William A.
Woolf Lawrence D.
General Atomics
Lechert Jr. Stephen J.
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