Information storage medium having optimal power control areas

Details Information storage medium having optimal power control areas Information storage medium having optimal power control areas

2007-07-20

2008-12-16

Huber, Paul (Department: 2627)

Dynamic information storage or retrieval

Systems having plural physically distinct independent tracks...

Having layered storage medium

C369S047530

Reexamination Certificate

active

07466641

ABSTRACT:
An information storage medium having a plurality of information storage layers, each of which includes an optimal power control (OPC) area for obtaining an optimal recording condition, wherein OPC areas in odd-numbered and even-numbered information storage layers are disposed not to face each other and not to contact each other, or partially overlap each other and lock out use of the overlapped portion. Therefore, when an OPC area of one information storage layer performs OPC, this OPC does not affect another information storage layer.

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