Optical disc having uniform structure

Details Optical disc having uniform structure Optical disc having uniform structure

2006-05-08

2008-05-20

Hindi, Nabil (Department: 2627)

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

C369S047270, C369S044130

Reexamination Certificate

active

07376071

ABSTRACT:
An optical disc is manufactured under a uniform condition by forming grooves and lands on the entire surface of the disc. The optical disc is configured to obtain a reliable reproduction signal, and the grooves and lands are formed on a lead-in area, a user data area and a lead-out area of the optical disc. Since the same manufacturing condition can be adopted in mastering discs, the yield can be enhanced and the manufacturing cost can be reduced.

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