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TDK Showcases 100GB BD-R Disc

The 7th Data Storage Expo & Conference, currently being held in Tokyo, Japan, where TDK demonstrated its four layer Blu-Ray Recordable disk (BD-R), capable of holding up to 100GB of content.


The disk features the DURABIS 2 hard-coating technology from TDK, in order to physically protect a Blu-Ray disc's surface from scratches, dust and other factors that could cause damage.

The Blu-ray Disc Assosiacion has not yet started the standardization procedures for this kind of media, and according to TDK, the four-layer BD-R disc is currently a research level prototype. TDK held a BD-R recording test, using a Pioneer BD-R/RE prototype recorder. The TDK disc was recorded at 2x, which translates to 72Mbps transfer rate.

Single layer (25GB) and dual layer (50GB) BD-R and BD media were also available at the TDK booth, featuring the DURABIS 2 coating technology.

Exhibiting TDK the BD-R disk of 4 layers /100GB

With the TDK booth of data storage EXPO, the BD-R disk of 4 layer is displayed. "DURABIS" of the hard coat technology for DVD and Blu-ray Disc of the same company and also, height of the expandability of Blu-ray is appealed.


In regard to 4 layers BD-R, the standardization job and the like with of Blu-ray Disc Assosiacion has not started, is not final product specification, but "4 layer disk being able to actualize with research level is," that you say. Transfer rate actualizes 72Mbps of 2 time speed.


In addition, BD-R/RE of 1 layer /25GB, it exhibits also the BD-R/RE disk of 2 layers 50GB together, depends on DURABIS 2 coat, appealing the tolerance to the fingerprint soiling and the scratch. The bear disk of the pioneer make (the cartridge is not the disk) also correspondence BD-R/RE drive being referred and being exhibited.

BD-R disk of 4 layers /100GB



The BD-R/RE disk which it is referred is exhibited


BD-R/RE drive of pioneer


The Blu-ray Disc road map of TDK

This is a very interesting road map that is certainly very promising. I'd love to see a TB disc and I am sure it could be used in many applications particularly video