Superconductor technology: apparatus – material – process – High temperature – per se – Having tc greater than or equal to 150 k
Patent
1991-11-20
1993-03-16
Lieberman, Paul
Superconductor technology: apparatus, material, process
High temperature , per se
Having tc greater than or equal to 150 k
252518, 252521, 505776, 505782, C01F 1102, C01G 302, C01G 2900, H01L 3902
Patent
active
051944219
ABSTRACT:
The present invention provides an oxide superconductor which is mainly composed of bismuth, lead, strontium, calcium, magnesium, and copper and has the composition represented by the formula:
REFERENCES:
Dou "Superconductivity in the Bi-Pb-Sr-Ca-Cu-O system . . . " Supercond. Sc. Technol. vol. 2 1989 pp. 274-278.
Kawai "Effect of Ba addition on the properties . . . ".
Jap. Jnl Appl. Phys. vol. 27(12) Dec. 1988 pp. L2296-L2299.
Zuyao "Superconductivity in the (Bi,Pb)-Ca-Sr-Ba-Cu-O . . . " Solid State Comm. vol. 70(2) 1989 pp. 133-135.
"Ashizawa Variation of Composition in a Bi(Pb)-Sr-Ca-Cu-O . . . " Jap. Jnl. Appl. Physic. vol. 28(7) Jul. 1989 pp. L1140-L1143.
Ashizawa Toranosuke
Ishihara Minoru
Kuwajima Hideji
Shimoda Shuichiro
Sumiya Keiji
Boyd John
Hitachi Chemical Company
Lieberman Paul
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