Superconductor technology: apparatus – material – process – High temperature – per se – Thallium containing
Patent
1992-01-03
1998-12-22
King, Roy V.
Superconductor technology: apparatus, material, process
High temperature , per se
Thallium containing
505121, 505126, 505780, 505782, 505783, H01B 1200
Patent
active
058519548
ABSTRACT:
A composite based on a superconducting oxide having a high critical temperature, characterized by the fact that it is constituted by glass and said oxide, the glass being such that its vitreous transition temperature is not greater than 750K, the volume fraction of the glass lying in the range 2% to 40%, said oxide existing in the glass in the form of crystallites having substantially the same orientation.
REFERENCES:
patent: 5149687 (1992-09-01), Galasso
Masuda et al, "Glass-Former-Doped Superconductors", Jpn. J. Appl. Phys. Lett. 27(8) Aug. 1988 pp. L1417-L1419.
Qiu et al, "Some properties of bulk Y-Ba-Cu-O compounds containing SiO.sub.2 ", J. Appl. Phys. 64(4) Aug. 1988 pp. 2234-2236.
Yoshitake et al, "Preparation of thin films by Coevaporation and Phase identification in Bi-Sr-Ca-Cu-O system," Jpn. J. Appl. Phys. Lett. 27(6) Jun. 1988, pp. L1089-L1091.
Materials Research Bulletin, vol. 23, No. 5, May 1988, Oxford GB, pp. 623-630; C.W. Nies et al.: "Glass Bonded Composites Containing Superconducting YBA2CU309-y For Levitation And Magnetic Shielding Applications".
Patent Abstracts of Japan, vol. 13, No. 388 (C-630)(3736) Aug. 28, 1989, & JP-A-01 138158 (Matsushita Electric Ind co Ltd) Apr. 21, 1989.
Patent Abstracts of Japan, vol. 13, No. 326 (C-620)(3674) Jul. 24, 1989, & JP-A-01 103934 (Matsushita Electric Ind Co Ltd) Apr. 21, 1989.
Journal of the American Ceramic Society, vol. 73, No. 5, May 1990, Columbus, us, pp. 1165-1171; M.R. De Guire et al: "Superconducting Glass-Ceramics in the BI-SR-CA-CU-O System".
Nippon Seramikkisu Kyokai Gakujutsu Rombushi, vol. 97, No. 2, 1989, Tokyo, Japan, pp. 251-255; T. Komatsu et al.: "Preparation and Properties of Superconducting Glass Ceramics Based on TheBI-SR-CA-CU-O System".
Belouet Christian
Ribes Michel
Alcatel Alsthom Compagnie Generale d'Electricite
King Roy V.
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