METHODS FOR FORMING A UNITIZED CRUCIBLE ASSEMBLY, CRUCIBLE MOLDS AND UNITIZED CRUCIBLES

METHODS FOR FORMING A UNITIZED CRUCIBLE ASSEMBLY, CRUCIBLE MOLDS AND UNITIZED CRUCIBLES

Methods for forming a unitized crucible assembly for holding a melt of silicon ingot are disclosed. In some embodiments, the methods involve a porous crucible mold having a channel network with a bottom channel, an outer sidewall channel that extends from the bottom channel, and a central weir chann...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ZEPEDA, Salvador, BOEGEMANN, Patrick Fredrick III, PHILLIPS, Richard Joseph, LUTER, William
Format: Patent
Sprache:eng ; fre ; ger
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:Methods for forming a unitized crucible assembly for holding a melt of silicon ingot are disclosed. In some embodiments, the methods involve a porous crucible mold having a channel network with a bottom channel, an outer sidewall channel that extends from the bottom channel, and a central weir channel that extends from the bottom channel. A slip slurry may be added to the channel network and the liquid carrier of the slip slurry may be drawn into the mold. The resulting green body may be sintered to form the crucible assembly.