Method of manufacturing oxide superconductor, and method of...

Details Method of manufacturing oxide superconductor, and method of... Method of manufacturing oxide superconductor, and method of...

H - Electricity

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31/167

H01L 39/24 (2006.01) C01G 3/00 (2006.01) C04B 35/00 (2006.01) C04B 35/45 (2006.01)

Patent

CA 1335236

Disclosed is a method of manufacturing an oxide superconductor containing at least an alkaline earth metal and copper. This method comprises the steps of heating a material substance containing elements con- stituting the oxide superconductor, in an atmosphere having an oxygen partial pressure of at most 50 Torr at a temperature ranging from 500C to 1000C, and then heating the material substance in an oxygen-containing atmosphere. Also disclosed herein is a method of manu- facturing composite oxide powder which is the precursor of the oxide superconductor. This method comprises the steps of heating the material substance in an atmosphere having an oxygen partial pressure of at most 50 Torr at a temperature ranging from 500C to 1000C, and crushing the material substance into powder.

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