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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. 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.


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> 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>

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}}


==References== ==References==
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| last = Yamasaki | last = Yamasaki
| first = Takeshi | first = Takeshi
|author2=Toshiro Kinoshita |author3=Masayuki Taniguchi |author4=Tomomi Yukumoto | author2=Toshiro Kinoshita |author3=Masayuki Taniguchi |author4=Tomomi Yukumoto
| editor=B. V. K. Vijaya Kumar and Hiromichi Kobori | editor=B. V. K. Vijaya Kumar and Hiromichi Kobori
| pages = 21–27 | pages = 21–27
| volume=5380 | volume=5380

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The paper disc is a digital disc format. Developed by Sony and Toppan Printing, the disc can be read by Sony's new Blu-ray Disc (BD) player and offers up to 25 GB of storage. It was announced on April 15, 2004.

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.

References

  1. "Press release". Sony. Retrieved 2008-04-15..

External links

Paper data storage media
Antiquity
Modern


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