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	{{Paper data storage media}}		{{Paper data storage media}}

Revision as of 20:09, 29 July 2021

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This article relies largely or entirely on a single source. Relevant discussion may be found on the talk page. Please help improve this article by introducing citations to additional sources.
Find sources: "Paper disc" – news · newspapers · books · scholar · JSTOR (April 2008)

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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

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

External links

Press release
Yamasaki, Takeshi; Toshiro Kinoshita; Masayuki Taniguchi; Tomomi Yukumoto (September 2004). B. V. K. Vijaya Kumar and Hiromichi Kobori (ed.). "Sony / Toppan 25-GB paper disc based on the Blu-ray structure". Proceedings of SPIE. 5380. Monterey, CA. Miramar, CA: 21–27. doi:10.1117/12.557516. S2CID 110365697. {{cite journal}}: Unknown parameter |conference= ignored (help)

v t e Paper data storage media
Antiquity	Writing on papyrus (c. 3000 BCE) Paper (105 CE)
Modern	Index card (1640s) Punched tape (mid-1800s) Punched card (1880s) Edge-notched card (1904) Optical mark recognition (1930s) Barcode (1948)

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