COMPOSITION FOR BLACKENING COPPER-BASED OR SILVER-BASED METALS

The present invention addresses the problem of providing a new composition for blackening that, without compromising the smoothness of copper-based or silver-based metals, allows for sufficient blackening of copper circuits of printed wiring boards, circuits formed by silver paste, and products cont...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Sakai Hiroaki, Kita Azusa, Kang Joonhaeng
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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