DVD  Manufacture Technology(ppt48)

DVD       Manufacture Technology
DVD概略
何謂DVD
演進

CD/DVD/Blue light DVD Comparison
DVD Manufacture Technology key point
Core function module
Optical pick up
Mecha-deck
Servo&Decode  board
Main technology point
Parts manufacture And measurement
Module Assembly and adjustment
Module test
System evaluation
Optical pick up 外觀示例
Optical pick up 外觀示例
optical pick up 基本原理(一)
optical pick up 基本原理(三)
读出技术要點:
聚焦到衍射极限的最小激光束.
信息面的凹凸(pit/mirror)反射光的強弱不同.