CRUCIBLE FOR DIRECTED SOLIDIFACTION

Crucible for directional solidification of an ingot made of an ingot material chosen from silicon, germanium and mixtures thereof, comprising: - a mold comprising a mold bottom wall and a mold side wall extending from the mold bottom wall along an axial direction, the mold bottom wall and the mold s...

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Bibliographische Detailangaben
Hauptverfasser:	CHAVRIER, Denis, PONTHENIER, Damien, PLASSAT, Nelly, PIHAN, Etienne
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE APPARATUS THEREFOR CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES CHEMISTRY CRYSTAL GROWTH METALLURGY PERFORMING OPERATIONS POWDER 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 TRANSPORTING UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL ORUNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL
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Beschreibung
Zusammenfassung:	Crucible for directional solidification of an ingot made of an ingot material chosen from silicon, germanium and mixtures thereof, comprising: - a mold comprising a mold bottom wall and a mold side wall extending from the mold bottom wall along an axial direction, the mold bottom wall and the mold side wall together defining a cavity for containing the molten ingot material, and - a support sleeve extending in the axial direction and comprising a sleeve material, the thermal conductivity of which is anisotropic and has radial (I) and axial (II) components such that: (III, IV) being the thermal conductivity of the mold material, V being the thermal conductivity of graphite, the support sleeve encircling the mold side wall around the axial direction.