Blu-ray Disc format finalized
The Blu-ray Disc physical specifications were finished in 2004.In January 2005, TDK announced that they had developed a hard coating polymer for Blu-ray Discs.The cartridges, no longer necessary, were scrapped. The BD-ROM specifications were finalized in early 2006.AACS LA, a consortium founded in 2004,had been developing the DRM platform that could be used to securely distribute movies to consumers. However, the final AACS standard was delayed, and then delayed again when an important member of the Blu-ray Disc group voiced concerns.[At the request of the initial hardware manufacturers, including Toshiba, Pioneer and Samsung, an interim standard was published which did not include some features, like managed copy.