INGOT PULLER APPARATUS HAVING A COMPOUND EXHAUST TUBE AND METHODS FOR SELECTING THE LENGTHS OF LOWER AND UPPER EXHAUST TUBE PORTIONS

Ingot puller apparatus having a compound exhaust tube and methods for selecting the length of the lower and upper portions of the compound exhaust tube are disclosed. In some embodiments, the upper portion of the compound exhaust tube is made of graphite and the lower portion is made of stainless st...

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Bibliographic Details
Main Authors MEYER, Benjamin Michael, RYU, JaeWoo, JI, JunHwan, HUDSON, Carissima Marie, YUN, WooJin
Format Patent
LanguageEnglish
French
German
Published 03.01.2024
Subjects
AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE
APPARATUS THEREFOR
CHEMISTRY
CRYSTAL GROWTH
METALLURGY
PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE
REFINING BY ZONE-MELTING OF MATERIAL
SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE
SINGLE-CRYSTAL-GROWTH
UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL ORUNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL
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Summary:Ingot puller apparatus having a compound exhaust tube and methods for selecting the length of the lower and upper portions of the compound exhaust tube are disclosed. In some embodiments, the upper portion of the compound exhaust tube is made of graphite and the lower portion is made of stainless steel.
Bibliography:Application Number: EP20220707300