B - Operations – Transporting – 05 – D
Patent
B - Operations, Transporting
05
D
117/103, 117/109
B05D 5/12 (2006.01) C23C 18/12 (2006.01) H01L 39/24 (2006.01)
Patent
CA 1311163
c-3985 YTTERBIUM, BARIUM, COPPER OXIDE FILM SUPERCONDUCTORS Abstract of the Disclosure Superconducting thin films of RE1Ba2Cu4Oz, where RE is a rare earth metal chosen from the group consisting of yttrium, ytterbium, and europium are produced in a non-vacuum environment using Metallo-Organic Deposition techniques. An ink comprising the neodecanoates of ytterbium, barium, and copper is formed and spun on a single crystal substrate of strontium titanate. The ink is dried in an air environment, heated in an air environment at a temperature sufficient to decompose the neodecanoates, about 500°C, and then annealed to promote recrystallization and grain growth of the remaining metal oxides. The annealing step is preferably accomplished using rapid thermal annealing techniques wherein the material is uniformly and rapidly heated to an appropriate temperature for an amount of of time ranging between about instantaneous to about 2 minutes. The resulting films of material exhibit superconductive characteristics at elevated temperatures.
578643
Hamdi Aboud H.
Mantese Joseph V.
Micheli Adolph L.
General Motors Corporation
Gowling Lafleur Henderson Llp
Hamdi Aboud H.
Mantese Joseph V.
Micheli Adolph L.
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