INFORMATION STORAGE MEDIUM AND METHOD AND APPARATUS FOR RECORDING AND/OR REPRODUCING DATA

摘要

An information storage medium capable of controlling optimal recording power without an influence of an optimal power control (OPC) area in a layer upon an OPC area in a different layer is provided. An information storage medium comprises a first information storage layer comprising a first optimal power control area; and a second information storage layer adjacent to the first information storage layer comprising a second optimal power control area, wherein the first and second optimal power control areas do not overlap, and buffer areas are disposed on one side of the first optimal power control area and on one side of the second optimal power control area. FIG 3A