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Marking can easily solve this problem. Because fiber laser marking is a marking method that uses a high energy density laser to irradiate the surface of the integrated circuit locally, so that the surface material vaporizes or undergoes a chemical reaction of color change, thus leaving a permanent mark. At present, fiber laser marking can print a variety of words, symbols and patterns, etc., and the character size can range from millimeters to microns, which is of great significance for the processing of integrated circuits and can greatly give the current integrated circuits a broader space to play. At the same time, the laser processing effect is fine and textured, not easy to wear, and can be identified for a long time, so many integrated circuit manufacturers now prefer to use the current laser mark for processing, which can not only meet the current batch and large-scale production of integrated circuits, but also carry out personalized processing according to specific actual needs.