激光视盘一般称为LD,英文含意为Laser Video Disc。它是激光与光学 :视频与音频信息的编码、解码;微电机与微米级伺服;原版刻录、制模、复制唱片等项技术的结合。下面便分别进行介绍。 视盘 LD又称激光视盘或镭射影碟,其信息槽孔形成在透明的有机绝缘材料下面,使用折射系数为1.5的光学透明硬塑料——聚氯乙烯加热模压或聚丙烯融熔喷塑做成。要求光学性和物理性均 Laser disc is generally called LD, English meaning Laser Video Disc. It is a combination of laser and optics: encoding and decoding of video and audio information; micro-motors and micron-sized servo; original recording, molding, and copying of recordings. The following will be introduced separately. Disc LD, also known as laser disc or laser disc, the information slot formed under the transparent organic insulating material, the use of refractive index of 1.5 optical transparent hard plastic - PVC hot melt molding or polypropylene melt-blown made. Requires both optical and physical