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Sharp’s new blue-violet laser is capable of reading triple or even quad-layer Blu-ray discs, thus tripling or quadrupaling the 25GB-per-layer limit of present two-layer Blu-ray discs. The beam’s output is much stronger than traditional readers at 500mW, due to an aluminum oxynitride layer located squarely between the laser’s crystal and dielectric film meant to protect the laser. Writing speeds may also be upped to 8x on all four layers, making it a more interesting archiving option for digital packrats.

 

More links:

www.bluray.eu

www.bluray.asia