CPC Subgroup
C30B 15/20 Controlling or regulating (controlling or regulating in general G05)
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)
3 direct subcodes
Child Classifications
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- C30B 15/22 Stabilisation or shape controlling of the molten zone near the pulled crystal; Controlling the section of the crystal