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PCE
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Search for IPC and CPC classification codes or keywords
DIFF Subgroup
C23C 16/455

characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber

Introduced: January 2000

Title

Titles differ between systems:

IPC: characterised by the method used for introducing gases into the reaction chamber or for modifying gas flows in the reaction chamber

CPC: characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber

Full Title

Full titles differ between systems:

IPC:

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 method of coating > characterised by the method used for introducing gases into the reaction chamber or for modifying gas flows in the reaction chamber

CPC:

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 introducing gases into reaction chamber or for modifying gas flows in reaction chamber

Of 16 combined children, 0 exist in both systems.

16 codes are CPC-only extensions.

Child Classifications

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