Optical information recording medium, reproducing method thereof, and manufacturing method thereof
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United States of America Patent
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Mar 16, 2010
Grant Date -
Apr 6, 2006
app pub date -
Feb 7, 2005
filing date -
Oct 4, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Super-resolution technology was proposed for generating marks smaller than the optical resolution in order to record data at high density on the optical disk. However, the achievable high density of the super-resolution technology was limited due to fluctuation of the region exhibiting the super-resolution effect due to the grain size or the molecular size comprising the super-resolution film. However fluctuation in the region exhibiting the super-resolution effect is reduced by utilizing recording marks possessing their own super-resolution effect and also by separating the recording marks from each other.
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