Superconductor technology: apparatus – material – process – High temperature – per se – Having tc greater than or equal to 150 k
Patent
1990-05-24
1992-11-17
Ryan, Patrick J.
Superconductor technology: apparatus, material, process
High temperature , per se
Having tc greater than or equal to 150 k
505701, 505702, 505703, 505704, 4284111, 428457, 428688, 428704, 428 341, 428901, 428930, B32B 900
Patent
active
051643600
ABSTRACT:
A ceramic superconductor comprises a substantially nonmagnetic preannealed nickel-based alloy substrate which supports a ceramic superconductor. The substrate may include aluminum to strengthen the substrate, make it less magnetic and enhance its chemical compatibility with the ceramic superconductor. The ceramic is formed on the substrate by sintering superconductor grains at temperatures above 1000.degree. C. to enhance densification of the ceramic.
REFERENCES:
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Radio Frequency Surface Geintance of Tl-Ba-Ca-Cu-O Films on Metal and Single Crystal Substrates, Arndt et al., 1990.
Advanced Ceramic Materials, Thermal Spraying Superconducting Oxide Coatings, vol. 2, 1987, pp. 401-410.
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Appl. Phys. Lett., High T.sub.c Superconducting Films of Y-Ba-Cu Oxides Prepared by Low-Pressure Plasma Spraying.
Appl. Phys. Lett., Reaction of Ba.sub.2 YCu.sub.3 O.sub.6.9 Films With Yttria-Stabilized Zirconia Substrates, vol. 53, Aug. 1988, pp. 710-712.
Appl. Phys. Lett., High T.sub.c Superconductivity in Y-Ba-Cu-O Screen Printed Films, vol. 53, Sep. 1988, pp. 1110-1112.
Appl. Phys. Lett., Interdiffusion and Interfacial Reaction Between a Ba.sub.2 Cu.sub.3 O.sub.x Thin Film and Substrates, vol. 53, Oct. 1988, pp. 1437-1439.
Appl. Phys. Lett., Lanthanum Gallate Substrates for Epitaxial High-Aperture Superconducting Thin Films, vol. 53, Nov. 1988, pp. 1874-1876.
D. W. Murphy et al., Science, Processing Techniques for the 93 K Superconductor Ba.sub.2 YCu.sub.3 O.sub.7, vol. 241, Aug. 1988, pp. 922-930.
Takayuki Komatsu et al., On the New Substrate Materials for High-T.sub.c Superconducting Ba-Y-Cu-O Thin Films.
Elsner Frederick H.
Raggio William A.
Woolf Lawrence D.
General Atomics
Ryan Patrick J.
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