Single-crystal growth by pulling from a melt, e.g. Czochralski method

Classification Context

Section:

CHEMISTRY; METALLURGY

Class:

CRYSTAL GROWTH

Subclass:

SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR

Child Classifications

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• C30B 15/02 adding crystallising materials or reactants forming it to the melt
• C30B 15/06 Non-vertical pulling
• C30B 15/08 Downward pulling
• C30B 15/1 Crucibles or containers for supporting the melt
• C30B 15/14 Heating of the melt or the crystallised materials
• C30B 15/2 Controlling or regulating
• C30B 15/3 Mechanisms for rotating or moving either the melt or the crystal
• C30B 15/32 Seed holders, e.g. chucks
• C30B 15/34 Edge-defined film-fed crystal growth using dies or slits
• C30B 15/36 characterised by the seed, e.g. its crystallographic orientation