Mopa laser marking machine
1.Surface stripping of Alumina sheet the current electronic products are becoming thinner and thinner, and many mobile phones, tablets and computers use thin aluminum oxide as the shell of the product. When the Q-switched laser is used to mark the conductive position on the thin aluminum plate, it is easy to deform the material and produce "convex hull" on the back, which directly affects the appearance of beauty. The parameters of MOPA laser with small pulse width can make the material difficult to deform and the shading is more delicate and bright. This is because the use of small pulse width parameters in the MOPA laser allows the laser to stay in the material for a shorter time, while And there is enough energy to remove the anode layer, so the MOPA laser is a better choice for the process of stripping the anode on the surface of thin alumina plate.
2. The use of laser to mark the surface of anodic alumina material with black trademarks, models, characters, etc. This application has been gradually used by Apple, Huawei, ZTE and Lenovo in the last two years. Meizu and other electronics manufacturers are widely used in the shell of electronic products, used for marking black marks of trademarks, models, etc. For such applications, only MOPA lasers can be processed. Because the MOPA laser has a wide pulse width The parameters of narrow pulse width and high frequency can be used to mark black on the surface of materials, and different gray scales can also be marked by different parameter combinations.
3. Electronics, semiconductors, ITO precision machining applications in electronics, semiconductors and ITO precision processing, many times need to use fine marking applications. Q-switched laser can not adjust the pulse width parameter because of its own structure, so the line is difficult to be fine. Because MOPA laser can adjust pulse width and frequency parameter flexibly, it can not only make the line fine, but also the edge can not appear smooth. Rough.
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