Losslessly Backup Blu-ray

What’s the best way to Full Disc Copy of a Blu-ray Remaining the original structures

Copy Protection, Losslessly Backup Blu-ray, Region Code
Full disc copy means to help users to backup the whole contents of a Blu-ray disc remaining the original structures. Blu-ray is a new standard that is completely different from a standard conventional DVD. The structure of the disc, therefore, is vastly different from that of DVD, even though at 1.2mm the thickness is the same. The structure of a DVD is a pair of discs with a 0.6mm thickness joined together, with a recording layer known as a "reflection film" trapped in the middle. Single-sided dual layer-type DVDs have also been released and these have a non-transparent reflection layer and semi-transparent reflection layer attached together, with a transparent layer between the reflection films. The basic difference between the single-layer and double-layer structure is whether or not...