Information recording medium, and recording method and...

Details Information recording medium, and recording method and... Information recording medium, and recording method and...

2007-10-24

2009-08-11

Neyzari, Ali (Department: 2627)

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

C369S030100, C369S044260, C369S053350

Reexamination Certificate

active

07573804

ABSTRACT:
An information recording medium in which bottoms of a guide groove and a pit array formed on a disc substrate are allocated on a same flat plane and shaped in flat. Further, in a transition area from a pit array to a guide groove or from a guide groove to a pit array, the information recording medium is provided with an intermediate area composed of a pit array of which height changes from a height between a bottom and a side of a groove to another height between the bottom and a side of the pit array.

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patent: 2006/0198285 (2006-09-01), Ueki

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