The dominant position of laser alumina blackening process

Many of the existing aluminum cracking operations are performed on anodized aluminum. The principle of aluminum blackening is due to the nanometer effect. Since the oxide particles are nanometer-sized after the laser processing, the light absorption performance of the material is increased, thereby making the visible light visible. The material was irradiated and absorbed, and there was little reflected visible light, which was observed as black by the naked eye, so it was called aluminum oxide black. The thin film interference theory, which is impossible, interferes with the generation of light of different wavelengths depending on the thickness of the film, but black is not a wave of light but light. Another is the color of the oxide. After searching for aluminum, the oxide is white. Among the stainless steels, black is caused by iron oxides.

Anodized Alumina Laser Blackening LOGO Optical fiber laser marking machine is the third generation laser marking machine system developed using the most advanced laser technology in the world today. The fiber laser is used to output the laser, and then the ultrahigh-speed scanning galvanometer system is used to achieve the marking function. The optical fiber laser marking electromechanical optical conversion efficiency is high, and the air cooling method is used for cooling. The whole machine is compact, the output beam quality is good, and the reliability is high. Long operating life, energy saving, engraveable metal materials and some non-metallic materials, mainly used in areas with high requirements for depth, smoothness and fineness, such as mobile phone stainless steel trim, watches, molds, ICs, mobile phone keys, etc. Industry, bitmap marking, metal, plastic and other surface marking exquisite pictures, and marking speed is the traditional generation of light pump marking machine, the second generation of semiconductor marking machine 3 to 12 times.

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