ODC母盘刻录系统聚焦伺服回读激光器的更换

Introduction of the change of focus serve playback laser in ODC mastering system

ODC母盘系统聚焦伺服回读光路的特点上期已经介绍,ODC母盘刻录方式与传统母盘刻录方式的不同,在刻录的过程中信息坑槽就已经形成,ODC母盘系统中红色激光器的作用不仅局限于帮助刻录光点聚焦在玻璃表面上,而且还可时时跟踪回读信息坑槽,把读到的信息传到监视分析仪器(如示波器、分析板等),分析出在制品的刻录电信号参数(如抖晃率,误码率等)。从而能更加及时有效地对产品进行质量控制。

This paper is talking about the change of focus serve playback laser of ODC mastering system. It starts with introduction of characters of focus serve playback circuit. Then the steps, how to change relative part of ODC mastering system are followed. The data mentioned in this paper will be good to solve your problems during your using ODC mastering system.