TIMEPIECE PART, AND TIMEPIECE

A timepiece part according to the invention includes: a substrate; and a first coating configured from a material containing cobalt as a primary component, and 26 mass% to 30 mass% of Cr, and 5 mass% to 7 mass% of Mo. The first coating has a surface with a percentage surface area increase of 0% to 1...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	TAKAHASHI, Hirokazu, TSUKAMOTO, Yuzuru, KAWAKAMI, Atsushi, SOGO, Tomohiko
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BRACELETS 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 COINS DIFFUSION TREATMENT OF METALLIC MATERIAL ELECTRONIC TIME-PIECES HABERDASHERY HOROLOGY HUMAN NECESSITIES INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL JEWELLERY MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL MECHANICALLY-DRIVEN CLOCKS OR WATCHES METALLURGY OTHER PERSONAL ADORNMENTS 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
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Beschreibung
Zusammenfassung:	A timepiece part according to the invention includes: a substrate; and a first coating configured from a material containing cobalt as a primary component, and 26 mass% to 30 mass% of Cr, and 5 mass% to 7 mass% of Mo. The first coating has a surface with a percentage surface area increase of 0% to 1.2% as measured by atomic force microscopy against a reference flat surface.