DVD discs will hold more on paper

Japanese companies Sony and Toppan Printing have announced what they claim is the successful development of paper-based DVD discs.

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By  Matthew Wade Published  April 21, 2004

Japanese companies Sony and Toppan Printing have announced what they claim is the successful development of paper-based DVD discs. The firms claim that through combining paper material and printing technology, such discs should be able to store a massive 25GB of data each, or more than two hours of high-definition programming, compared to the 4.7GB that DVD discs can currently hold. "Since the blu-ray disc does not require laser light to travel through the substrate, we were able to develop this paper disc," said Masanobu Yamamoto, senior general manager of Sony’s Optical System Development Group. "By increasing the capacity of the disc we can decrease the amount of raw material used per unit of information." The new format discs are 51% paper and are currently being worked upon by several companies including Sony, Philips, Hitachi and Samsung. According to Toppan Printing’s Hideaki Kawai, blu-ray discs will offer significant security advantages over the current crop of DVD discs, as well as being cheaper to produce. "Since a paper disc can be cut by scissors easily, it is simple to preserve data security when disposing of the disc," said Kawai. Toppan and Sony say they are now busy developing blu-ray discs "for practical use" though no details are available as yet to suggest when blu-ray discs might appear in the Middle East.

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