TDK develops an optical data medium with 320 GB capacity
At a trade show in Japan TDK has introduced the prototype of a new medium which has a huge capacity and is able to store more data per layer than a Blu-ray disc.
TDK corp. has developed a recordable optical data medium with a capacity of 320 GB. The disc consists of ten layers each of which has a capacity of 32 GByte. Thus the data density of the new technique is even higher than on a Blu-ray disc which offers up to 2 GByte per layer. Accoridng to techno.nikkeibp.co.jp the new disc is on display at the Createc Japan 2009 which takes place until October 10, 2009. Information about the market readiness of the product has not been released.
Back in 2006 TDK already caused some amazement when the company presented a prototype disc with six layers each of which had a capacity of 33 GByte. Thus the "old” prototype already had a overall capacity of 200 gigabytes.
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