DIFF Subgroup
C23C 14/02 Pretreatment of the material to be coated (C23C14/04 takes precedence)
Introduced: January 1985
Title
Titles differ between systems:
IPC: Pretreatment of the material to be coated
CPC: Pretreatment of the material to be coated (C23C14/04 takes precedence)
Full Title
Full titles differ between systems:
IPC:
Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material > Pretreatment of the material to be coated
CPC:
Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material > Pretreatment of the material to be coated (C23C14/04 takes precedence)
Of 4 combined children, 0 exist in both systems.
4 codes are CPC-only extensions.
Child Classifications
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