SILICON CASTING MOLD

PROBLEM TO BE SOLVED: To provide a silicon casting mold excellent in molding releasability, capable of preventing peeling and falling off of the inner surface of a mold and crack generation of the silicon ingot and provided with an easily moldable releasing layer in order to cast the uniform silicon...

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1. Verfasser:	OHASHI TADASHI
Format:	Patent
Sprache:	eng
Schlagworte:	CASTING CHEMISTRY COMPOUNDS THEREOF FOUNDRY MOULDING INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING
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creator	OHASHI TADASHI
description	PROBLEM TO BE SOLVED: To provide a silicon casting mold excellent in molding releasability, capable of preventing peeling and falling off of the inner surface of a mold and crack generation of the silicon ingot and provided with an easily moldable releasing layer in order to cast the uniform silicon ingot in good yield.SOLUTION: The releasing layer 3 molded on the inner surface of the silicon casting mold 1 is configured to include: a sintered compact made by thermal oxidation of silicon nitride powder produced by a thermal decomposition method for imides in a contacting part with the surface 4a of a molten silicon liquid filled in the mold 1 and the upper part 3A above the same; and a sintered compact made by thermal oxidation of silicon nitride powder produced by a direct nitridation method in the lower part 3B below the contact part with the molten silicon liquid surface 4a.
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and a sintered compact made by thermal oxidation of silicon nitride powder produced by a direct nitridation method in the lower part 3B below the contact part with the molten silicon liquid surface 4a.</description><language>eng</language><subject>CASTING ; CHEMISTRY ; COMPOUNDS THEREOF ; FOUNDRY MOULDING ; INORGANIC CHEMISTRY ; METALLURGY ; NON-METALLIC ELEMENTS ; PERFORMING OPERATIONS ; POWDER METALLURGY ; TRANSPORTING</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=20130328&DB=EPODOC&CC=JP&NR=2013056781A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20130328&DB=EPODOC&CC=JP&NR=2013056781A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>OHASHI TADASHI</creatorcontrib><title>SILICON CASTING MOLD</title><description>PROBLEM TO BE SOLVED: To provide a silicon casting mold excellent in molding releasability, capable of preventing peeling and falling off of the inner surface of a mold and crack generation of the silicon ingot and provided with an easily moldable releasing layer in order to cast the uniform silicon ingot in good yield.SOLUTION: The releasing layer 3 molded on the inner surface of the silicon casting mold 1 is configured to include: a sintered compact made by thermal oxidation of silicon nitride powder produced by a thermal decomposition method for imides in a contacting part with the surface 4a of a molten silicon liquid filled in the mold 1 and the upper part 3A above the same; 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subjects	CASTING CHEMISTRY COMPOUNDS THEREOF FOUNDRY MOULDING INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING
title	SILICON CASTING MOLD
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