File:3D Discs.jpg
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Montage of 3D optical data storage discs. Pictures used under Wikipedia Fair Use guidelines (meets all 10 criteria). Photographs of discs adapted from promotional websites and news stories.
- To illustrate the subject in question
- Where no free equivalent is available or could be created that would adequately give the same information
- On the English-language Wikipedia, hosted on servers in the United States by the non-profit Wikimedia Foundation,
qualifies as fair use under United States copyright law. Any other uses of this image, on Wikipedia or elsewhere, may be copyright infringement. See Wikipedia:Non-free content and Wikipedia:Copyrights.
Source pages: http://www.sg.hu/cikkek/13685/adattarolasi_revolucio_a_kozeljovoben http://www.tfot.info/articles/56/mempile-terabyte-on-a-cd.html http://www.call-recall.com/tech/twophotonrecording.html http://www.ddatainc.com/page01.html http://www.landauerinc.com/stillwater.asp http://www.opttech.tu-berlin.de/microholas/
Article-specific fair use rationale
Image used on page 3D optical data storage.
No other source of pictures of these discs exists since they are not commercially available products. Pictures are vital to the article in order to understand the appearance of the discs, the variety thereof, and the level of development realized.