Laser marking technology is one of the largest application areas of laser processing. Laser marking is a marking method that uses a high-energy density laser to locally irradiate the workpiece to vaporize the surface material or cause a chemical reaction to change color, thereby leaving a permanent mark. Laser marking can produce a variety of characters, symbols and patterns, etc., and the size of the characters can range from millimeters to micrometers, which has special significance for the anti-counterfeiting of products.
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