| 摘要 |
PURPOSE: Provided is a method for coloring letters or shapes the inside of transparent glass by engraving a processing line in glass with laser and filling the line with colors. Accordingly, the method is applied to glass for flat panel display, glasses, mirrors and optical parts. CONSTITUTION: The method comprises the steps of: engraving a processing line for special letters or shapes inside the glass by condensing ultraviolet laser with a large output on the internal focus of a transparent glass; filling the line with colors poured through a pierced hole, opened to the outside, in the end of the processing line; suturing the hole with glass paste after coloring of letters or shapes.
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