The color projection system also includes a projectionlens optically coupled to the polarizer.
所述彩色投影 系统还包括一个与偏振器光耦合的投影镜头。
2
Two main installation methods of lithography projectionlens were studied in this paper, and their characteristics were discussed.
对两种主要的光刻投影物镜安装方式进行了研究，并对各自特点进行了讨论。
3
In high numerical aperture and low technic factor lithography process, degradation of the image quality because of the coma aberration in the projectionlens has become a serious problem.