Optical disc capable of enhancing the performance of disc...

Details Optical disc capable of enhancing the performance of disc... Optical disc capable of enhancing the performance of disc...

2006-07-25

2006-07-25

Dinh, Tan (Department: 2653)

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

C369S275100, C428S064400

Reexamination Certificate

active

07082097

ABSTRACT:
A disc which insures a normal performance of an optical disc driver (ODD) and a method of manufacturing the same by accounting for disc defects. A reflectivity of the disc is within a range of 45–70% and a birefringence of the disc is within a range of 100–150 nm. Since the acquisition and manufacture of marginal discs which account for defect factors are possible, the influence of the defect factors can be continuously limited. Thus, a predetermined quality of discs can be used in the ODD.

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