Apparatus for pulling single crystals from melt

An apparatus is designed for pulling oriented large-size single crystals from melt. The apparatus comprises a hollow rod having a seed crystal holder. The rod drive comprises a drive shaft mounted in the rod coaxially therewith, the rod and the drive shaft being in engagement for combined rotation a...

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Bibliographische Detailangaben
Hauptverfasser:	APILAT, VITALY Y, LITICHEVSKY, MARX I, EIDELMAN, LEV G, MJULENDORF, OLEG S
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE APPARATUS THEREFOR CHEMISTRY CRYSTAL GROWTH GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS 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 TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL ORUNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL
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Beschreibung
Zusammenfassung:	An apparatus is designed for pulling oriented large-size single crystals from melt. The apparatus comprises a hollow rod having a seed crystal holder. The rod drive comprises a drive shaft mounted in the rod coaxially therewith, the rod and the drive shaft being in engagement for combined rotation and for reciprocations of the rod together with a carriage axially along the drive shaft.