After developing a 320 GB write-once optical disc, it looks like TDK's quite keen on upping the ante in this segment, since they've just demoed at CEATEC 2010 an optical disc with an absolutely incredible capacity, of around 1TB.
According to TechOn, TDK managed to achieve this very impressive feat by adding no less than 16 recording layers one on top of the other, each layer featuring 32GB of storage on each side of the disc.
In order to stack so many layers on top of one another, the Japanese company used a disc material with a high light transmittance (95.1%, percent per layer and 72.6% for all the 16 layers).
Furthermore, TDK points out the fact that their optical disc shares a number of important technologies with the current Blu-ray standard, meaning that the eventual adoption of such a large-size solution shouldn't prove to be much of a problem.
The company expects that the new optical disc will be used as a home-use recording medium, a backup medium and a medium for a broadcasting service, with the time it takes to read out one layer of the disc being the same as that of the Blu-ray Disc.
There's no word, at least for the time being, about possible commercial availability of such a solution, TDK saying that it will be the disk manufacturers that will decide whether the launch of such a product is opportune or not.
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