Explain about Blu-Ray disk. - Media

Explain about Blu-Ray disk.

- A Blu-Ray Disk or Read Only Blu-Ray Disk utilizes a substrate of 1.1 mm normal thickness.

- A single layer disk has 1mm substrate and one recording layers is available on the top.

- Data is represented as pits and surfaces (binary 1 and 0) on record layers.

- Read out of the data is performed by the cover layer, first recorded layer and space layer.

- The capacity of Blu-Ray disk is 23.3 GB/layer, 25 GB/layer and 27 GB/layer.
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