C23C 16/30 Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
Introduced: January 1985
Full Title
Full titles differ between systems:
Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes > characterised by the deposition of inorganic material, other than metallic material > Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes (reactive sputtering or vacuum evaporation C23C14/00) > characterised by the deposition of inorganic material, other than metallic material > Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
Of 9 combined children, 6 exist in both systems.
3 codes are CPC-only extensions.
1 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1985.
Child Classifications
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Top Applicants
Top Applicants (IPC)
Class C23,2013–2023, worldwide · Source: EPO PATSTAT
- APPLIED MATERIALS US 8,096
- TOKYO ELECTRON JP 3,985
- CHINESE ACADEMY OF SCIENCES 2,842
- LAM RESEARCH CORPORATION US 2,654
- TOKYO ELECTRON 2,540
- NIPPON STEEL CORPORATION JP 2,465
- JFE STEEL JP 2,368
- ASM IP HOLDING NL 2,092
- APPLIED MATERIALS 1,877
- POSCO (POHANG IRON AND STEEL COMPANY) KR 1,782
Top Applicants (CPC)
Class C23,2013–2023, worldwide · Source: EPO PATSTAT
- APPLIED MATERIALS US 10,596
- TOKYO ELECTRON JP 5,229
- LAM RESEARCH CORPORATION US 3,622
- NIPPON STEEL CORPORATION JP 3,171
- JFE STEEL JP 3,128
- ASM IP HOLDING NL 2,722
- ARCELORMITTAL LU 2,481
- TOKYO ELECTRON 2,359
- APPLIED MATERIALS 2,284
- CHINESE ACADEMY OF SCIENCES 2,110