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Etching Microstructures With Lasers

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Consumer interest in analytics applications has prompted scientists in Germany to investigate how to use lasers to etch microstructures into thin glass. Through research, they found that irradiating glass in a particular way with an ultrafast laser has the effect of making the glass up to a thousand times more sensitive to subsequent wet chemical etching. Structuring process for glass using direct laser ablation with ultrafast laser pulses. Courtesy of Fraunhofer ILT, Aachen / Volker Lannert. What this means to the scientific community is that it is possible to guide a laser beam...Read full article

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    Published: October 2016
    Glossary
    etching
    The engraving of a surface by acid, acid fumes or a tool; a process extensively used in the manufacture of reticles.
    glass
    A noncrystalline, inorganic mixture of various metallic oxides fused by heating with glassifiers such as silica, or boric or phosphoric oxides. Common window or bottle glass is a mixture of soda, lime and sand, melted and cast, rolled or blown to shape. Most glasses are transparent in the visible spectrum and up to about 2.5 µm in the infrared, but some are opaque such as natural obsidian; these are, nevertheless, useful as mirror blanks. Traces of some elements such as cobalt, copper and...
    Consumerultrafast lasersLasersFraunhoferSLEBiophotonicsetchingglassResearch & TechnologyTech Pulse

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