CARBON CRUCIBLE AND METHOD FOR PRODUCING SILICON SINGLE CRYSTAL BY USING CARBON CRUCIBLE

PROBLEM TO BE SOLVED: To provide a carbon crucible which is used for supporting and holding a quartz glass crucible for accommodating a molten material in a device for producing single crystals or poly-crystals such as a semiconductor material or a solar cell material, and which supports the quartz...

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Hauptverfasser: SOTODANI EIICHI, TSUSHIMA EIKI, MORI TAKAKAZU, YOSHIMITSU DAISHI
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Sprache:eng
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creator SOTODANI EIICHI
TSUSHIMA EIKI
MORI TAKAKAZU
YOSHIMITSU DAISHI
description PROBLEM TO BE SOLVED: To provide a carbon crucible which is used for supporting and holding a quartz glass crucible for accommodating a molten material in a device for producing single crystals or poly-crystals such as a semiconductor material or a solar cell material, and which supports the quartz glass crucible to deter the deformation and easily detaches the quartz glass crucible after refrigeration.SOLUTION: The carbon crucible 1 includes a counter part 2 for constituting a crucible bottom and a cylindrical body 3 superimposed on or inserted into the counter part 2. The counter part 2 comprises a graphite material. The cylindrical body 3 comprises a carbon fiber-reinforced-carbon-combined material formed by laminating a carbon fiber fabric cloth 4. A discontinuous part F is installed from a one end part to the other one end part of the cylindrical body 3. In the discontinuous part F, a carbon fiber-reinforced-combined material is present on at least one part of a direction vertical to the axis line of the cylindrical body 3.The carbon crucible has a structure of demonstrating binding force in the circumferential direction of the cylindrical body 3.
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The counter part 2 comprises a graphite material. The cylindrical body 3 comprises a carbon fiber-reinforced-carbon-combined material formed by laminating a carbon fiber fabric cloth 4. A discontinuous part F is installed from a one end part to the other one end part of the cylindrical body 3. 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The counter part 2 comprises a graphite material. The cylindrical body 3 comprises a carbon fiber-reinforced-carbon-combined material formed by laminating a carbon fiber fabric cloth 4. A discontinuous part F is installed from a one end part to the other one end part of the cylindrical body 3. 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The counter part 2 comprises a graphite material. The cylindrical body 3 comprises a carbon fiber-reinforced-carbon-combined material formed by laminating a carbon fiber fabric cloth 4. A discontinuous part F is installed from a one end part to the other one end part of the cylindrical body 3. In the discontinuous part F, a carbon fiber-reinforced-combined material is present on at least one part of a direction vertical to the axis line of the cylindrical body 3.The carbon crucible has a structure of demonstrating binding force in the circumferential direction of the cylindrical body 3.</abstract><oa>free_for_read</oa></addata></record>
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recordid cdi_epo_espacenet_JP2012076956A
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subjects AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE
APPARATUS THEREFOR
ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
CRYSTAL GROWTH
LIME, MAGNESIA
METALLURGY
PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE
REFINING BY ZONE-MELTING OF MATERIAL
REFRACTORIES
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
title CARBON CRUCIBLE AND METHOD FOR PRODUCING SILICON SINGLE CRYSTAL BY USING CARBON CRUCIBLE
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