METHOD FOR COATING THIN FILM USING AN ALLOY OF SILICON AND ALUMINIUM

A method for coating a thin film using the alloy of aluminum and silicon is provided to satisfy the silver color phase of the metallic appearance and non conductive property required in a mobile communications terminal. A method for coating a thin film using the alloy of aluminum and silicon compris...

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Bibliographische Detailangaben
1. Verfasser:	CHO, SANG MOO
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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Beschreibung
Zusammenfassung:	A method for coating a thin film using the alloy of aluminum and silicon is provided to satisfy the silver color phase of the metallic appearance and non conductive property required in a mobile communications terminal. A method for coating a thin film using the alloy of aluminum and silicon comprises: a first step of forming a predetermined sheet or a extruded substance(100); a second step of coating a first coating layer(300) for increasing the cohesive power of a alloy film(200); a third step of coating the alloy film in which the aluminum component is added on the silicon in vacuum; and a fourth step of coating a third coating layer(400) for increasing the durability of the alloy film. The first coating layer and the third coating layer are comprised of the acryl resin or the urethane resin.