本文描述了用35mm计算机输出缩微胶片（COM）记录工程文件的程序、尺寸和质量值。其中包括源文件制作技术和COM创建技术所共有的微图像特征。

The procedures, dimensions, and quality values governing the micro-recording of engineering documentation with a 35mm computer-output microfilmer (COM) are described. Included are microimage characteristics common to source document production techniques and those COM-created.