JP2966068B
PURPOSE:To stably obtain a ceramic superconductor having high critical current density by heating a formed raw material of the ceramic superconductor in an oxygen-containing atmosphere, partly fusing it and subsequently cooling it through two specified stages. CONSTITUTION:A raw material capable of...
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| creator | KIKUCHI SUKEYUKI NEMOTO KYOSHI MIMURA MASANAO ENOMOTO KENJI |
| description | PURPOSE:To stably obtain a ceramic superconductor having high critical current density by heating a formed raw material of the ceramic superconductor in an oxygen-containing atmosphere, partly fusing it and subsequently cooling it through two specified stages. CONSTITUTION:A raw material capable of producing a ceramic superconductor such as Y-Ba-Cu-O-based one or Bi-Sr-Ca-O-based one is formed into a prescribed shape and the resultant formed material is subsequently heated and kept for a prescribed time at a temperature (T1) higher than the temperature where the formed material is partly fused in an oxygen-containing atmosphere. The partly fused formed material is then cooled to the solidification temperature (T2) and kept for a prescribed time. The atmosphere is subsequently changed to an inert gas atmosphere and the formed material is then cooled from temperature (T2) to the room temperature, thus obtaining the objective ceramic superconductor. The obtained superconductor can suitably be used as a cable or a distributing wire material. |
| format | Patent |
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CONSTITUTION:A raw material capable of producing a ceramic superconductor such as Y-Ba-Cu-O-based one or Bi-Sr-Ca-O-based one is formed into a prescribed shape and the resultant formed material is subsequently heated and kept for a prescribed time at a temperature (T1) higher than the temperature where the formed material is partly fused in an oxygen-containing atmosphere. The partly fused formed material is then cooled to the solidification temperature (T2) and kept for a prescribed time. The atmosphere is subsequently changed to an inert gas atmosphere and the formed material is then cooled from temperature (T2) to the room temperature, thus obtaining the objective ceramic superconductor. 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The obtained superconductor can suitably be used as a cable or a distributing wire material.</description><subject>ARTIFICIAL STONE</subject><subject>BASIC ELECTRIC ELEMENTS</subject><subject>CABLES</subject><subject>CEMENTS</subject><subject>CERAMICS</subject><subject>CHEMISTRY</subject><subject>COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS</subject><subject>COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F</subject><subject>CONCRETE</subject><subject>CONDUCTORS</subject><subject>ELECTRICITY</subject><subject>INORGANIC CHEMISTRY</subject><subject>INSULATORS</subject><subject>LIME, MAGNESIA</subject><subject>METALLURGY</subject><subject>REFRACTORIES</subject><subject>SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES</subject><subject>SLAG</subject><subject>TREATMENT OF NATURAL STONE</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1999</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZODyCjCyNDMzMLNw4mFgTUvMKU7lhdLcDIpuriHOHrqpBfnxqcUFicmpeakl8QgNTkbGxKgBACs4G4g</recordid><startdate>19991025</startdate><enddate>19991025</enddate><creator>KIKUCHI SUKEYUKI</creator><creator>NEMOTO KYOSHI</creator><creator>MIMURA MASANAO</creator><creator>ENOMOTO KENJI</creator><scope>EVB</scope></search><sort><creationdate>19991025</creationdate><title>JP2966068B</title><author>KIKUCHI SUKEYUKI ; NEMOTO KYOSHI ; MIMURA MASANAO ; ENOMOTO KENJI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2966068BB23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1999</creationdate><topic>ARTIFICIAL STONE</topic><topic>BASIC ELECTRIC ELEMENTS</topic><topic>CABLES</topic><topic>CEMENTS</topic><topic>CERAMICS</topic><topic>CHEMISTRY</topic><topic>COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS</topic><topic>COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F</topic><topic>CONCRETE</topic><topic>CONDUCTORS</topic><topic>ELECTRICITY</topic><topic>INORGANIC CHEMISTRY</topic><topic>INSULATORS</topic><topic>LIME, MAGNESIA</topic><topic>METALLURGY</topic><topic>REFRACTORIES</topic><topic>SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES</topic><topic>SLAG</topic><topic>TREATMENT OF NATURAL STONE</topic><toplevel>online_resources</toplevel><creatorcontrib>KIKUCHI SUKEYUKI</creatorcontrib><creatorcontrib>NEMOTO KYOSHI</creatorcontrib><creatorcontrib>MIMURA MASANAO</creatorcontrib><creatorcontrib>ENOMOTO KENJI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KIKUCHI SUKEYUKI</au><au>NEMOTO KYOSHI</au><au>MIMURA MASANAO</au><au>ENOMOTO KENJI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>JP2966068B</title><date>1999-10-25</date><risdate>1999</risdate><abstract>PURPOSE:To stably obtain a ceramic superconductor having high critical current density by heating a formed raw material of the ceramic superconductor in an oxygen-containing atmosphere, partly fusing it and subsequently cooling it through two specified stages. CONSTITUTION:A raw material capable of producing a ceramic superconductor such as Y-Ba-Cu-O-based one or Bi-Sr-Ca-O-based one is formed into a prescribed shape and the resultant formed material is subsequently heated and kept for a prescribed time at a temperature (T1) higher than the temperature where the formed material is partly fused in an oxygen-containing atmosphere. The partly fused formed material is then cooled to the solidification temperature (T2) and kept for a prescribed time. The atmosphere is subsequently changed to an inert gas atmosphere and the formed material is then cooled from temperature (T2) to the room temperature, thus obtaining the objective ceramic superconductor. The obtained superconductor can suitably be used as a cable or a distributing wire material.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| subjects | 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 CONCRETE CONDUCTORS ELECTRICITY INORGANIC CHEMISTRY INSULATORS LIME, MAGNESIA METALLURGY REFRACTORIES SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES SLAG TREATMENT OF NATURAL STONE |
| title | JP2966068B |
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