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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。ODC母盘刻录系统采用波长为635纳米的氦氖离子激光
ODC master system focus servo readback optical characteristics of the previous period has been introduced, ODC master recording mode and the traditional master recording method is different from the groove in the process of burning information has been formed, ODC master system of red laser role Not only limited to helping to burn spotlight focused on the glass surface, but also keep track of the read-back information pit, the read information transmitted to the monitoring and analysis equipment (such as oscilloscopes, analysis board, etc.) Signal parameters (such as jitter rate, bit error rate, etc.). Which can be more timely and effective product quality control. ODC mastering system uses a helium-neon laser with a wavelength of 635 nm