Etching metallic material by chemical means (manufacture of printing surfaces B41C; manufacture of printed circuits H05K)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Etching metallic material by chemical means

CPC: Etching metallic material by chemical means (manufacture of printing surfaces B41C; manufacture of printed circuits H05K)

Full Title

Full titles differ between systems:

IPC:

Etching metallic material by chemical means

CPC:

Etching metallic material by chemical means (manufacture of printing surfaces B41C; manufacture of printed circuits H05K)

IPC and CPC are identically structured here. All 6 subcodes exist in both systems.

2 shared codes have differing titles between IPC and CPC.

Child Classifications

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C23F 1/02 Local etching IPC+CPC Available in IPC and CPC
C23F 1/06 Sharpening files IPC+CPC Available in IPC and CPC
C23F 1/08 Apparatus, e.g. for photomechanical printing surfaces (photo- mechanical reproduction G03F) IPC+CPC Available in IPC and CPC
C23F 1/10 Etching compositions (C23F1/44 takes precedence) since 1985 IPC+CPC Available in IPC and CPC
C23F 1/44 Compositions for etching metallic material from a metallic material substrate of different composition since 1985 IPC+CPC Available in IPC and CPC
C23F 1/46 Regeneration of etching compositions since 1985 IPC+CPC Available in IPC and CPC