微机控制的“G谱线单头精密分布重复缩小照像机”是国务院振兴电子工业领导小组下达的“六五”攻关科研项目,它由机械、光学及微机控制三部分组成。其技术指标是:曝光点容量为256行×256列,曝光点的行、列距为1至99990μm;整机定位精度为0.3μm以下,且具有显示行列数及声光报警功 Microcomputer-controlled “G-line single head precision distribution of repeated narrowing camera” is the State Council revitalization of the electronics industry leading group issued “Six Five” research project, which consists of mechanical, optical and computer control of three parts. The technical indicators are: exposure point capacity of 256 rows × 256 columns, the exposure point of the row, the pitch is 1 to 99990μm; machine positioning accuracy of 0.3μm below, and has the number of rows and columns and sound and light alarm