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US 7,923,067 B2Granted
Method of coloring surface of zirconium-based metallic glass component
AssigneesNGK Insulators, Ltd., Tohoku University
InventorsNaokuni Muramatsu, Ken Suzuki, Akihisa Inoue, Hisamichi Kimura
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Abstract
A method of coloring a surface of a zirconium-based metallic glass component that includes the step of imparting interference colors by carrying out an anodizing process using an alkaline solution to form a film having a thickness of 300 nm or less on the surface of the zirconium-based metallic glass component.
Claims3
A method of coloring a surface of a zirconium-based metallic glass component, comprising the steps of:
- providing a Zr—Cu—Al—Ni metallic glass component;
- and
- imparting interference colors by carrying out an anodizing process using a potassium hydroxide solution to form an interference film having a thickness of 200 nm or less on the surface of the Zr—Cu—Al—Ni metallic glass component.
Dependencies are inferred from the claim text.