光盘存储技术是七十年代发展起来的信息存储技术,具有存储密度高、单位信息位价格低。数据速率高、随机存取方便、能和计算机及现代通讯设备联机使用,以及存档寿命长等优点。光盘存储技术的研究是一项高级综合技术的研究,涉及激光技术、光学设计加工、精密机械、精密伺服、电信息处理、计算机技术和记录材料研究等多种学科和技术。这项高技术密集型课题尽管问世以来历时不长,但以其新生的活力和广泛应用的前景吸引了世界各 Optical disc storage technology was developed in the seventies, information storage technology, with high storage density, low bit per unit of information. High data rates, random access, easy access to computers and modern communication devices, and long file life. The study of optical disc storage technology is a high-level synthesis study that covers a wide range of disciplines and technologies such as laser technology, optical design and processing, precision machinery, precision servo, electrical information processing, computer technology and recording material research. Although this high-technology-intensive subject did not last long, it has attracted the world’s attention by its freshmen vitality and broad application prospects