LabelFlash
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Labelflash™ is a technology which allows users to burn custom motifs or images onto DVD media, introduced by NEC in December 2005. This is similar to the LightScribe technology invented by Hewlett-Packard earlier.
--The resolution is 1000 dpi.
--Uses up to 256 shades in the image
--Labeling process takes 7 minutes at minimum depending on the resolution
--Burning images on the top side of a disc requires specialised media, but burning on bottom side (data side) of disc area which is not used by data is possible with any DVD R media
--Specialised LabelFlash discs use special 0.6 mm thick top coating to avoid fading of image over time
Wikipedia
более подробно всё описано тут:
First Look: Labelflash™