ELECTROMAGNETIC CASTING SYSTEMS INCLUDING FURNACES AND MOLDS FOR PRODUCING SILICON TUBES
A furnace for electromagnetic casting a tubular-shaped silicon ingot is provided. The furnace includes a mold, outer and inner induction coils and a support member. The mold includes an outer crucible and an inner crucible. The outer crucible is annular-shaped. The inner crucible is disposed in the...
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Format | Patent |
Language | English French |
Published |
11.04.2019
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Abstract | A furnace for electromagnetic casting a tubular-shaped silicon ingot is provided. The furnace includes a mold, outer and inner induction coils and a support member. The mold includes an outer crucible and an inner crucible. The outer crucible is annular-shaped. The inner crucible is disposed in the outer crucible and spaced away from the outer crucible to provide a gap between the inner crucible and the outer crucible. The mold is configured to receive granular silicon in the gap. The outer induction coil disposed around the outer crucible. The inner induction coil disposed in the inner crucible. The outer induction coil and the inner induction coil are configured to heat and melt the granular silicon in the mold to form a tubular-shaped silicon ingot. The support member is configured to hold and move a seed relative to the mold during formation of the tubular-shaped silicon ingot on the seed.
Four pour la coulée électromagnétique d'un lingot de silicium tubulaire. Le four comprend un moule, des bobines d'induction extérieure et intérieure, et un élément de support. Le moule comprend un creuset extérieur et un creuset intérieur. Le creuset extérieur est de forme annulaire. Le creuset intérieur est disposé dans le creuset extérieur et espacé du creuset extérieur pour fournir un espace entre le creuset intérieur et le creuset extérieur. Le moule est conçu pour recevoir du silicium granulaire dans l'espace. La bobine d'induction extérieure est disposée autour du creuset extérieur. La bobine d'induction intérieure est disposée dans le creuset intérieur. La bobine d'induction extérieure et la bobine d'induction intérieure sont conçues pour chauffer et faire fondre le silicium granulaire dans le moule pour former un lingot de silicium tubulaire. L'élément de support est conçu pour maintenir et déplacer une semence par rapport au moule pendant la formation du lingot de silicium tubulaire sur la semence. |
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AbstractList | A furnace for electromagnetic casting a tubular-shaped silicon ingot is provided. The furnace includes a mold, outer and inner induction coils and a support member. The mold includes an outer crucible and an inner crucible. The outer crucible is annular-shaped. The inner crucible is disposed in the outer crucible and spaced away from the outer crucible to provide a gap between the inner crucible and the outer crucible. The mold is configured to receive granular silicon in the gap. The outer induction coil disposed around the outer crucible. The inner induction coil disposed in the inner crucible. The outer induction coil and the inner induction coil are configured to heat and melt the granular silicon in the mold to form a tubular-shaped silicon ingot. The support member is configured to hold and move a seed relative to the mold during formation of the tubular-shaped silicon ingot on the seed.
Four pour la coulée électromagnétique d'un lingot de silicium tubulaire. Le four comprend un moule, des bobines d'induction extérieure et intérieure, et un élément de support. Le moule comprend un creuset extérieur et un creuset intérieur. Le creuset extérieur est de forme annulaire. Le creuset intérieur est disposé dans le creuset extérieur et espacé du creuset extérieur pour fournir un espace entre le creuset intérieur et le creuset extérieur. Le moule est conçu pour recevoir du silicium granulaire dans l'espace. La bobine d'induction extérieure est disposée autour du creuset extérieur. La bobine d'induction intérieure est disposée dans le creuset intérieur. La bobine d'induction extérieure et la bobine d'induction intérieure sont conçues pour chauffer et faire fondre le silicium granulaire dans le moule pour former un lingot de silicium tubulaire. L'élément de support est conçu pour maintenir et déplacer une semence par rapport au moule pendant la formation du lingot de silicium tubulaire sur la semence. |
Author | PEIDOUS, Igor NITHIANANTHAN, Vijay |
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DocumentTitleAlternate | SYSTÈMES DE COULÉE ÉLECTROMAGNÉTIQUE COMPRENANT DES FOURS ET DES MOULES POUR PRODUIRE DES TUBES DE SILICIUM |
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RelatedCompanies | LAM RESEARCH CORPORATION |
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Snippet | A furnace for electromagnetic casting a tubular-shaped silicon ingot is provided. The furnace includes a mold, outer and inner induction coils and a support... |
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SubjectTerms | CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING |
Title | ELECTROMAGNETIC CASTING SYSTEMS INCLUDING FURNACES AND MOLDS FOR PRODUCING SILICON TUBES |
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