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{{onesource|date=April 2008}}
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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 ], ]<ref>
{{cite web|url= http://www.sony.net/SonyInfo/News/Press/200404/04-0415E/ |title= Press release |accessdate= 2008-04-15 |publisher= ] }}.</ref>.

Paper discs are made of 51% ] 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>.

Basic structure of a paper disk is similar to the ordinary Blu-ray Disk. In a BD 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 thick substrate. The substrate, or basic surface on which a material adheres, is usually made of a polycarbonate plastic, but the new disc replaces this with paper. The result is a disc of which paper makes up approximately 51 percent of its weight, Sony says <ref>{{cite web|url= http://www.sony.net/SonyInfo/News/Press/200404/04-0415E/ |title= Press release |accessdate= 2008-04-15 |publisher= ] }}</ref>.
==External links==
*
* {{Cite journal
| conference = Optical Data Storage 2004-04-18
| location = Monterey, CA
| date = 2004-09
| title= A 25-GB paper disc based on the blu-ray structure
| last = Yamasaki
| first = Takeshi
| coauthors = Toshiro Kinoshita, Masayuki Taniguchi, and Tomomi Yukumoto
| editor=B. V. K. Vijaya Kumar and Hiromichi Kobori
| pages = 21-27
| volume=5380
| journal = Proceedings of SPIRE
| url = http://spiedl.aip.org/dbt/dbt.jsp?KEY=PSISDG&Volume=5380&Issue=1
}}



{{Compu-storage-stub}}
{{Paper data storage media}}
]

==References==
{{Reflist}}

Latest revision as of 06:31, 25 November 2023

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