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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. Toppan also had been flirting with the paper disc idea at their San Diego location. Toppan had a local San Diego location, Toppan Electronics at 7770 Miramar rd 92126, their Miramar location featured computer chips and some other confidential projects that really never surfaced. They closed their doors at the Miramar location for unknown reasons back in 2004 and to this day the location remains an empty building, but is still owned by Toppan. They tried a new division, Toppan Optical Products in Poway in 2004 and made TV screens for rear projection televisions, but it never caught on. This location has since been sold to General Atomics Corp. <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. Miramar, CA
| date = 2004-09
| title= Sony / Toppan 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
| doi= 10.1117/12.557516
}}

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

==References==
{{Reflist}}

]

Latest revision as of 06:31, 25 November 2023

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