印前扫描仪光电转换器件分析研究  

Research on Photo-electricity Transform of Scanner in the Pre-press

作　　者：刘立平[1] 郭凌华[1] 

机构地区：[1]陕西科技大学职业技术学院,西安710016

出　　处：《包装工程》2006年第6期200-201,215,共3页Packaging Engineering

摘　　要：分析了平台扫描仪的光电转换器件CCD和滚筒扫描仪的光电转换器件PMT的结构和成像原理,对CCD和PMT参数进行了比较。得到结论:滚筒扫描仪在印前扫描中对原稿细微层次再现有利。The structure and principle of the CCD and PMT were introduced. The parameter of CCD and PMT was compared. It is included that the drum scanner is better during scanning the copy in the prepress.

关 键 词：扫描仪 光电转换器件 电荷耦舍器件(CCD) 光电倍增管(PMT) 

分 类 号：TS803.1[轻工技术与工程]