Crucible holder for pulling monocrystals

A crucible holder made of a carbon material for use in crystal pulling operations and in the shape of a hollow receptacle. The holder includes at least two distinct and complementary parts that can be brought together by junction surfaces. When the parts are assembled to form the crucible holder, sp...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	BOMMIER CHRISTOPHE
Format:	Patent
Sprache:	eng
Schlagworte:	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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Beschreibung
Zusammenfassung:	A crucible holder made of a carbon material for use in crystal pulling operations and in the shape of a hollow receptacle. The holder includes at least two distinct and complementary parts that can be brought together by junction surfaces. When the parts are assembled to form the crucible holder, specific portions of the junction surfaces overlap to form at least one overlap area. The crucible holder can limit chemical reactions between the crucible and the holder and prolong the lives of both.