COLORING METHOD FOR GLASS

摘要

PROBLEM TO BE SOLVED: To provide a glass coloring method whereby glass is colored by the irradiation with a laser beam without causing cracks in a colored part colored by the irradiation and without causing the colored part to fall away.

SOLUTION: The glass coloring method is characterized as follows: a glass surface containing silver ions is irradiated with a laser beam; thus, the silver ions are caused to agglomerate to form silver particles, which color the glass surface. In the coloring method, the colored part colored by silver particles formed by the agglomeration of silver ions by the irradiation with a laser beam bulges from the glass surface to a height of 1-100 nm.

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