JP2928311B

PURPOSE:To easily obtain the subject superconductor having excellent orientation and properties by producing a thin film, etc., of a Y-based oxide superconducting substance or a substance containing the elements constituting the above superconducting substance and subjecting the thin film to a speci...

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Bibliographische Detailangaben
Hauptverfasser:	MYAJIMA MASAMICHI, NAGAYA SHIGEO, SHIOBARA TOORU, HIRABAYASHI IZUMI, TANAKA SHOJI
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE APPARATUS THEREFOR ARTIFICIAL STONE BASIC ELECTRIC ELEMENTS CABLES CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F COMPOUNDS THEREOF CONCRETE CONDUCTORS CRYSTAL GROWTH ELECTRICITY INORGANIC CHEMISTRY INSULATORS LIME, MAGNESIA METALLURGY NON-METALLIC ELEMENTS PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE REFINING BY ZONE-MELTING OF MATERIAL REFRACTORIES SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE SINGLE-CRYSTAL-GROWTH SLAG TREATMENT OF NATURAL STONE UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL ORUNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL
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Beschreibung
Zusammenfassung:	PURPOSE:To easily obtain the subject superconductor having excellent orientation and properties by producing a thin film, etc., of a Y-based oxide superconducting substance or a substance containing the elements constituting the above superconducting substance and subjecting the thin film to a specific treatment. CONSTITUTION:A thin film, molded article or filament of a Y-based oxide superconducting substance (e.g. YBa2Cu3Ox powder) or of a substance containing the elements constituting the superconducting substance (e.g. Y, Ba and Cu) is irradiated with a scanning laser beam to effect the quick melting and solidification of the irradiated part to form a solidified part containing finely dispersed Y2O3 crystals. The product is heat-treated preferably at