Method of strong images and corresponding storage medium
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United States of America Patent
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Nov 13, 2012
Grant Date -
Oct 1, 2009
app pub date -
Mar 10, 2009
filing date -
Mar 28, 2008
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a method of storing images on a medium able to be etched on the basis of a writing procedure using a laser beam, in which a substrate, preferably flexible, comprises a multiplicity of expanses of lateral dimensions less than 10 millimeters, each reserved for an image, and an expanse reserved for an image comprises as many elementary zones as there are image pixels to be stored, the image stored in an expanse being able to be read by optical magnification means. Each elementary zone comprises an engraved pattern whose diameter represents one respective grey level out of n possible levels.
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