Apparatus and method of manufacturing silicon seed rod
A manufacturing apparatus of silicon seed rod in which two silicon seed rods are joined into one long silicon seed rod by welding, having: an upper seed rod holding part holding an upper silicon seed rod vertically; an elevating device holding a lower silicon seed rod which faces a lower end of the...
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| creator | NAGAURA AKIMICHI NAKANO MAMORU |
| description | A manufacturing apparatus of silicon seed rod in which two silicon seed rods are joined into one long silicon seed rod by welding, having: an upper seed rod holding part holding an upper silicon seed rod vertically; an elevating device holding a lower silicon seed rod which faces a lower end of the upper silicon seed rod in a state in which the lower silicon seed rod is movable vertically; an induction-heating coil being arranged around the lower end of the upper silicon seed rod; a preheating ring being disposed below the induction-heating coil; and a moving device of the preheating ring that moves the preheating ring between a heat position in which the preheating ring is induction-heated around an upper end of the lower silicon seed rod by the induction-heating coil and a wait position which is distant from the heat position. |
| format | Patent |
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an elevating device holding a lower silicon seed rod which faces a lower end of the upper silicon seed rod in a state in which the lower silicon seed rod is movable vertically; an induction-heating coil being arranged around the lower end of the upper silicon seed rod; a preheating ring being disposed below the induction-heating coil; and a moving device of the preheating ring that moves the preheating ring between a heat position in which the preheating ring is induction-heated around an upper end of the lower silicon seed rod by the induction-heating coil and a wait position which is distant from the heat position.</description><language>eng</language><subject>AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE ; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING ; APPARATUS THEREFOR ; CHEMISTRY ; COMPOUNDS THEREOF ; CRYSTAL GROWTH ; ELECTRIC HEATING ; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ; ELECTRICITY ; INORGANIC CHEMISTRY ; METALLURGY ; NON-METALLIC ELEMENTS ; PERFORMING OPERATIONS ; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE ; REFINING BY ZONE-MELTING OF MATERIAL ; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR ; SHAPING OR JOINING OF PLASTICS ; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE ; SINGLE-CRYSTAL-GROWTH ; TRANSPORTING ; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL ORUNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL ; WORKING OF PLASTICS ; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</subject><creationdate>2013</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20130521&DB=EPODOC&CC=US&NR=8444800B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20130521&DB=EPODOC&CC=US&NR=8444800B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>NAGAURA AKIMICHI</creatorcontrib><creatorcontrib>NAKANO MAMORU</creatorcontrib><title>Apparatus and method of manufacturing silicon seed rod</title><description>A manufacturing apparatus of silicon seed rod in which two silicon seed rods are joined into one long silicon seed rod by welding, having: an upper seed rod holding part holding an upper silicon seed rod vertically; 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an elevating device holding a lower silicon seed rod which faces a lower end of the upper silicon seed rod in a state in which the lower silicon seed rod is movable vertically; an induction-heating coil being arranged around the lower end of the upper silicon seed rod; a preheating ring being disposed below the induction-heating coil; and a moving device of the preheating ring that moves the preheating ring between a heat position in which the preheating ring is induction-heated around an upper end of the lower silicon seed rod by the induction-heating coil and a wait position which is distant from the heat position.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING APPARATUS THEREFOR CHEMISTRY COMPOUNDS THEREOF CRYSTAL GROWTH ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS PERFORMING OPERATIONS PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE REFINING BY ZONE-MELTING OF MATERIAL SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE SINGLE-CRYSTAL-GROWTH TRANSPORTING UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL ORUNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL |
| title | Apparatus and method of manufacturing silicon seed rod |
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