MOTHER-OF-PEARL SUBSTRATE COATED WITH A YELLOW LAYER

• Main Author: SPASSOV, Vladislav
• Format: Patent
• Language: English
• Published: 28.06.2018
• Subjects: 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; HOROLOGY; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; MECHANICALLY-DRIVEN CLOCKS OR WATCHES; METALLURGY; PHYSICS; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS

Method for coloured coating on a watchmaking or jewellery external part component, comprising at least one visible surface prepared in advance on a substrate, this method comprising a step of vacuum-deposition of at least one main layer of titanium and silicon nitride (Ti, Sik)Nx or of titanium and silicon nitride doped with oxygen (Ti, Sik)NxOy.