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TDK packs 200GB on blue laser disc

Posted: 04 Sep 2006     Print Version  Bookmark and Share

Keywords:TDK  blue laser disc  200GB  Spencer Chin 

TDK Corp. has developed a single-sided recordable blue laser disc with a capacity of 200GB. Current single-layer Blu-ray discs store up to 25GB and dual-layer discs, 50GB.

The 200GB capacity doubles the capacity of TDK's existing 100GB Blu-ray prototype, storing approximately 18hrs of high definition video, said the company.

TDK has been on the forefront of Blu-ray Disc media development, shipping 25GB rewritable discs since April.

The company's 100GB prototype disc uses four 25GB layers to reach its capacity. For the 200GB disc, TDK has stretched the physical margins of the Blu-ray Disc format, enabling a disc to store up to 33.3GB per layer while staying within the tolerances of the BD playback specifications.

- Spencer Chin
EE Times

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