Elliptic double-layer quartz crucible

The utility model relates to an elliptic double-layer quartz crucible, consisting of an outer crucible and an inner crucible which is arranged in the outer crucible, wherein the distance between the outer crucible and the inner crucible is 4-8mm; the vertical cross sections of the outer crucible and...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	TANG XIUYUN
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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