CPC Subgroup
C23C 16/448 characterised by the method used for generating reactive gas streams, e.g. by evaporation or sublimation of precursor materials
Full Title
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 method of coating (C23C16/04 takes precedence) > characterised by the method used for generating reactive gas streams, e.g. by evaporation or sublimation of precursor materials
6 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- C23C 16/452 by activating reactive gas streams before introduction into the reaction chamber, e.g. by or addition of reactive species
Top Applicants
Top 10 applicants by patent filingsfor 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