Are laser marking and engraving the same thing?
Very often, laser marking and engraving are used as synonyms, but they actually refer to two different processes. They both imprint an indelible mark on a material by means of a laser beam, but while the engraving vaporizes it, the marking dissolves it. The melted surface expands, creating grooves up to 80 µm deep, altering the roughness of the material and creating a black and white...
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