数字显示投影仪的光栅制造

Making grating of digital display projector

本文着重介绍计量光栅使用原理、计量光栅的机械刻划工艺、照相复制技术和光栅精度测量等。

The operating principle of metrical grating, the mechanical-graduating technology and photographic-copying technique of metrical grating, as well as the accuracy measurement of grating are mainly discussed.