TDK has something pretty interesting in store for next week’s CEATEC 2009 electronics exhibition in Japan. The company plans to showcase a write-once optical disc that boasts a capacity of 320GB distributed over ten layers holding 32GB each (as opposed to a Blu-ray disc that can store up to 25GB per layer).
The company achieved to develop a disc storing 200GB back in 2006. The transmittance level of the outermost layer of the new disc stands at more than 90%, as opposed to the 2006 version’s 80-90%. This translates back to better signals on each layer (the higher the number of recording layers, the weaker the signals get and the more urgent the need for good transmittance).
Via Tech-On
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