CPC Subgroup
C30B 11/08 every component of the crystal composition being added during the crystallisation
Full Title
Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method (C30B13/00, C30B15/00, C30B17/00, C30B19/00 take precedence; under a protective fluid C30B27/00) > adding crystallising materials or reactants forming it in situ to the melt > every component of the crystal composition being added during the crystallisation
2 direct subcodes
Child Classifications
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- C30B 11/10 Solid or liquid components, e.g. Verneuil method
- C30B 11/12 Vaporous components, e.g. vapour-liquid-solid-growth
Top Applicants
Top 10 applicants by patent filingsfor class C30, 2013–2023, worldwide · Source: EPO PATSTAT
- CHINESE ACADEMY OF SCIENCES 1,052
- SUMCO CORPORATION JP 881
- APPLIED MATERIALS US 871
- SUMITOMO ELECTRIC INDUSTRIES JP 682
- SHIN ETSU HANDOTAI COMPANY JP 649
- SHIN-ETSU CHEMICAL COMPANY JP 506
- SUMCO CORPORATION 500
- SILTRONIC DE 491
- GLOBALWAFERS COMPANY TW 458
- NGK INSULATORS JP 379