Source material feeder apparatus for industrial crystal growth systems

A raw material feeder apparatus for industrial crystal growth systems includes a hopper disposed within a vacuum chamber and adapted to hold a quantity of raw material therein. A slide is disposed adjacent to an opening of the hopper and configured to receive the raw material from the hopper thereon...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	FICKETT BRYAN, BUSHMAN ROBERT
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 raw material feeder apparatus for industrial crystal growth systems includes a hopper disposed within a vacuum chamber and adapted to hold a quantity of raw material therein. A slide is disposed adjacent to an opening of the hopper and configured to receive the raw material from the hopper thereon. The slide is selectively moved between an open feeding position and a closed non-feeding position. The slide and a door cooperatively close the opening of the hopper, or in their open state, control the flow of raw material from the hopper. A vibrator associated with the slide feeds the raw material from the slide into an outlet tube for conveyance of the raw material to the crystal growth system.