Optical information medium, recording and reproduction...

Details Optical information medium, recording and reproduction... Optical information medium, recording and reproduction...

2006-07-18

2006-07-18

Hindi, Nabil (Department: 2656)

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

C369S047190, C369S059250

Reexamination Certificate

active

07079477

ABSTRACT:
A recordable optical information medium includes a recording area including a guide groove on which a recording material layer is provided for forming at least one recording mark which represents first information modulated by a first modulation system; and a pit area including at least one concave and convex type pit which represents second information modulated by a second modulation system. The guide groove and the at least one pit have substantially the same depth. The first modulation system and the second modulation system are different from each other.

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