引用:
Originally posted by Piano
恕小弟還不是很瞭解你所謂的同心圓是什麼？但如果你指的是在碟片內圈裡還有一小圈Groove的話，那麼那一圈其實對燒錄讀取都沒有幫助，那只是製程上為了讓染料塗佈可以較圓滑的一個設計！
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urrrr no thats not what they are talking about...
定位軌 shows up from the inside all the way to the outside as many 同心圓 visible when you view the disc at an angle.
If you need some clear examples of this
Sony OEMed by Leaddata with Sony ATIP codes
and some of the newer That's have this "feature"
Also some Maxells have this if i am not mistaken