本文综述国外激光加工的概况,激光加工的机理的一些提法。重点讨论激光钻孔、切割、焊接,热处理(其中包括表面合金化)、晶体的修复,目前各项技术中使用的器件,功率水平和国外使用情况,加工水平及优点。还提到存在的一些问题。 This article summarizes the general situation of foreign laser processing, laser processing some of the references. Focus on the laser drilling, cutting, welding, heat treatment (including surface alloying), crystal repair, the current technology used in the device, the power level and the use of foreign countries, the level of processing and advantages. Mention some existing problems.