Etching metallic material by chemical means

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:: CHEMISTRY; METALLURGY
Class:: COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
Subclass:: NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACES; INHIBITING CORROSION OF METALLIC MATERIAL; INHIBITING INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS AND AT LEAST ONE PROCESS COVERED BY SUBCLASS OR OR CLASS

ETCHING of metals chemicallybrightening, etching or passivating METAL(S) chemicallyetching SURFACE(S) chemically

6 direct subcodes

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C23F 1/02 Local etching
C23F 1/06 Sharpening files
C23F 1/08 Apparatus, e.g. for photomechanical printing surfaces
C23F 1/1 Etching compositions
C23F 1/44 Compositions for etching metallic material from a metallic material substrate of different composition
C23F 1/46 Regeneration of etching compositions