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CPC Subgroup
C30B 15/22

Stabilisation or shape controlling of the molten zone near the pulled crystal; Controlling the section of the crystal

Full Title

Single-crystal growth by pulling from a melt, e.g. Czochralski method (under a protective fluid C30B27/00) > Controlling or regulating (controlling or regulating in general G05) > Stabilisation or shape controlling of the molten zone near the pulled crystal; Controlling the section of the crystal

3 direct subcodes

Child Classifications

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  • C30B 15/24 using mechanical means, e.g. shaping guides (shaping dies for edge-defined film-fed crystal growth C30B15/34)
  • C30B 15/26 using television detectors; using photo or X-ray detectors
  • C30B 15/28 using weight changes of the crystal or the melt, e.g. flotation methods