采用高精度的衍射光栅刻划机刻划依然是制作高质量母光栅最重要的手段，因此，跟踪世界光栅刻划机的最新技术进展具有重要的现实意义。
Ruling with grating ruling engine is still the most important means for the fabrication of master grating. Hence, it is valuable to track the state-of-the-art of the diffraction grating ruling engine.
提出了采用相位扫描方法加工变栅距（VLS）光栅的基本原理，给出了VLS光栅刻划机的控制系统，并通过刻划实验对这一新方法进行了验证。
The control system of the VLS gratings ruling engine is given also and a ruling experiment of the VLS gratings is made to examine the novel method.
详细介绍了指纹采集仪用光栅在研制过程中，对原有光栅刻划机分度系统结构改造和重新设计，以及新的刻划工艺，它包括刻划方法、切削角度的调整、金刚石刀具刀尖夹角的确定和被刻划材料的选择。
The technologies include the ruling methods, the adjusting of the cutting angle, the selecting for the knife tip angle of the diamond cutter and the choosing of the materials being ruled.
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