The article introduces a sort of laser dicing m achine used to dicing LTCC .This m achine needs to im prove on because of the advance of client's require to dicing precision.In this paper,the know ledge of quality control is used to analyze the causes of dicing precision resulted by 1aser processing,and also provide several methods and m easures on im proving dicing precision for laser processing.%介绍了一种加工LTC C 的激光划切机，由于客户对打孔精度要求的提升而作出改进。应用QC 活动知识对影响加工精度的原因进行分析，并为提高激光划切加工精度提出一些方法与措施。
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