I can only imagine the odds of burning a 4 layer disc and something being able to read it. The scan will take hours to see the errors!
TDK showcased the first single-sided, four-layer recordable Blu-Ray disc, capable of holding up to 100GB of data. According to the company, the disc can be recorded at 2x speed (72Mbps). TDK has developed its own technology in materials allowing multiple layers to be joined together and offering the essential sensitivity /reflectivity characteristics for high-speed recording, under a Blu-Ray (405nm, NA=0.85) powerfull laser set.
According to TDK's spokesmen, the disk is very close to final development, but the new format has not yet been officially certified. TDK is proposing its prototype to the Blu-ray Disc Association. Accordin gto other sources, the current format road map calls for four-layer discs to debut in the market during 2007.
More info here.
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