Crystal pulling device - with hollow seed crystal bar and coaxial sliding drive shaft (CS 15.9.78)

A crystal pulling device has a hollow bar carrying the seed crystal. A drive shaft enters the hollow bar coaxially leaving spaces for the circulation of a coolant. A sleeve, which is flanged to the hollow bar, carries a key which can slide in a keyway of the drive shaft to allow an axial motion comb...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	VITALY YAKOVLEVICH APILAT, MARX IZRAILEVICH LITICHEVSKY, OLEG SERGEEVICH MJULENDORF ET LEV GEORGIEVICH EIDELMAN
Format:	Patent
Sprache:	eng ; fre
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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