The mask graphics made by CAD is input to SRAM on the DMD chip from computer IO port, which controls overturn of innumerable minute mirrors.So the digital output of mask graphics is realized.

• 利用计算机辅助设计绘制的掩模图形经IO口输入到数字微镜芯片中的SRAM，从而控制无数多个微小镜片的翻转，实现掩模图形的数字化输出。