Printing relief plate producing apparatus, system, method, and recording medium
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United States of America Patent
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Feb 11, 2014
Grant Date -
Oct 20, 2011
app pub date -
Apr 19, 2011
filing date -
Apr 20, 2010
priority date (Note) -
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Abstract
Height conversion matrices for determining heights of halftone dot convexities are generated based on raster image data. Based on the height conversion matrices and binary image data, amount-of-exposure data are generated in order to produce a printing relief plate in which the halftone dot convexities have heights at a plurality of height levels in a screen tint region, which is formed based on the binary image data. Based on the amount-of-exposure data, a printing plate material is exposed to a light beam, thereby producing a printing relief plate.
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