Laser marking technology was briefly introduced and three laser marking machines were compared. The principle of semiconductor end pumped solid laser marking machine was introduced, and a brief analysis of the key parameters affected the marking effect of the plastic industry, such as current, frequency and speed.%简单介绍了激光打标技术和对比了半导体侧面泵浦固体激光打标器、半导体端面泵浦固体激光打标器和光纤激光打标器三种激光打标器,介绍了半导体端面泵浦固体激光打标器的工作原理,并针对应用于塑料行业时影响打标效果的关键参数,如电流、频率、速度等进行简要的分析。
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