抄録
The principle, structure and required performance, of CD-R (Recordable) have been described, The structure and manufacturing process have been firstly explained as comparing with CD and the principle of signal Write/Read have been described. The specification of CD-R was decided as Orange Book Part 2 proposed by SONY and PHILIPS. The performance of CD-R depends on the groove shape of substrate, type of the dye, thickness the of dye layer and so on. Finally actual required performances of CD-R, like a initial Write/Read, compatibility and durability, have been described.
