Superconductor technology: apparatus – material – process – Processes of producing or treating high temperature... – Coating
Patent
1995-12-15
1997-07-08
King, Roy V.
Superconductor technology: apparatus, material, process
Processes of producing or treating high temperature...
Coating
505471, 505434, 505491, 505501, 505785, 427 62, B05D 512
Patent
active
056460970
ABSTRACT:
A method is disclosed for fabricating a polycrystalline <223> thallium-containing superconductor having high critical current at elevated temperatures and in the presence of a magnetic field. A powder precursor containing compounds other than thallium is compressed on a substrate. Thallium is incorporated in the densified powder precursor at a high temperature in the presence of a partial pressure of a thallium-containing vapor.
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Politis et al, Modern Physics letters B. vol. 2, No. 9 (1988) pp. 1119-1123.
Lin et al, Jpn. J. Appl. Phys. 28(1) Jan. 1989, pp. L85-L87.
ZZ Sheng & AM Hermann, "Bulk Superconductivity at 120 K in the Tl-Ca/Ba-Cu-O System", Letters to Nature, vol. 332, Mar. 10, 1988, pp. 138-139.
PA Parilla, et al., "Thin and Thick Film Synthesis and Processing in the Tl-Ba-Ca-Cu-O System", Proceedings of the Sixth US-Japan Workshop on High Tc Superconductors, pp. 265-270, 1994.
He Qing
Lay Kenneth Wilbur
Tkaczyk John Eric
General Electric Company
Johnson Noreen C.
King Roy V.
Pittman William H.
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