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The '''paper disc''' is one of the formats chosen to succeed the ]. Developed by ] and Toppan Printing, the disc can be read by Sony's new ] (BD) format and offers up to 25 GB of storage. It was officially announced on April 15, 2004. |
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The '''paper disc''' is a digital disc format. Developed by ] and Toppan Printing, the disc can be read by Sony's new ] (BD) player and offers up to 25 GB of storage. It was announced on April 15, 2004. |
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The basic structure of Sony's paper disc is similar to that of a Blu-ray Disc in that the recording layer on which the data is stored lies under a 0.1 millimeter protective layer and on top of a 1.1 millimeter ]. In a Blu-ray Disc, this substrate is made of ] plastic, which is replaced with paper in a paper disc. This results in a disc containing approximately 51% paper by weight.<ref>{{cite web|url= http://www.sony.net/SonyInfo/News/Press/200404/04-0415E/ |title= Press release |accessdate= 2008-04-15 |publisher= ] }}.</ref> |
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The basic structure of Sony's paper disc is similar to that of a Blu-ray Disc in that the recording layer on which the data is stored lies under a 0.1 millimeter protective layer and on top of a 1.1 millimeter substrate. In a Blu-ray Disc, this substrate is made of ] plastic, which is replaced with paper in a paper disc. This results in a disc containing approximately 51% paper by weight.<ref>{{cite web|url= http://www.sony.net/SonyInfo/News/Press/200404/04-0415E/ |title= Press release |accessdate= 2008-04-15 |publisher= ] }}.</ref> |
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Toppan Printing had also been experimenting with paper discs at their ] location, which closed in 2004 for unknown reasons. They continued development of the paper disc at a location in ], but this location also ultimately failed.{{citation needed|date=February 2013}} |
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==References== |
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==References== |
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| last = Yamasaki |
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| last = Yamasaki |
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| first = Takeshi |
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| first = Takeshi |
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|author2=Toshiro Kinoshita |author3=Masayuki Taniguchi |author4=Tomomi Yukumoto |
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| author2=Toshiro Kinoshita |author3=Masayuki Taniguchi |author4=Tomomi Yukumoto |
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| editor=B. V. K. Vijaya Kumar and Hiromichi Kobori |
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| editor=B. V. K. Vijaya Kumar and Hiromichi Kobori |
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| pages = 21–27 |
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| pages = 21–27 |
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| volume=5380 |
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| volume=5380 |
The basic structure of Sony's paper disc is similar to that of a Blu-ray Disc in that the recording layer on which the data is stored lies under a 0.1 millimeter protective layer and on top of a 1.1 millimeter substrate. In a Blu-ray Disc, this substrate is made of polycarbonate plastic, which is replaced with paper in a paper disc. This results in a disc containing approximately 51% paper by weight.
