CPC Main Group
C30B 19/00 Liquid-phase epitaxial-layer growth
5 direct subcodes
Child Classifications
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- C30B 19/02 using molten solvents, e.g. flux
- C30B 19/06 Reaction chambers; Boats for supporting the melt; Substrate holders
- C30B 19/08 Heating of the reaction chamber or the substrate
- C30B 19/10 Controlling or regulating (controlling or regulating in general G05)
- C30B 19/12 characterised by the substrate
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