Single-crystal growth by zone-melting; Refining by zone-melting (C30B17/00 takes precedence; by changing the cross-section of the treated solid C30B15/00; under a protective fluid C30B27/00; for the growth of homogeneous polycrystalline material with defined structure C30B28/00)

Child Classifications

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• C30B 13/005
• C30B 13/02 Zone-melting with a solvent, e.g. travelling solvent process
• C30B 13/04 Homogenisation by zone-levelling
• C30B 13/06 the molten zone not extending over the whole cross-section
• C30B 13/08 adding crystallising materials or reactants forming it in situ to the molten zone
• C30B 13/14 Crucibles or vessels
• C30B 13/16 Heating of the molten zone
• C30B 13/26 Stirring of the molten zone
• C30B 13/28 Controlling or regulating
• C30B 13/32 Mechanisms for moving either the charge or the heater
• C30B 13/34 characterised by the seed, e.g. by its crystallographic orientation