CPC Main Group
C30B 30/00 Production of single crystals or homogeneous polycrystalline material with defined structure characterised by the action of electric or magnetic fields, wave energy or other specific physical conditions
4 direct subcodes
Child Classifications
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- C30B 30/02 using electric fields, e.g. electrolysis
- C30B 30/04 using magnetic fields
- C30B 30/06 using mechanical vibrations
- C30B 30/08 in conditions of zero-gravity or low gravity
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