Curing of photo-curable printing plates with flat tops or round tops by variable speed exposure
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United States of America Patent
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Sep 2, 2014
Grant Date -
May 5, 2011
app pub date -
Oct 21, 2010
filing date -
Oct 30, 2009
priority date (Note) -
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Abstract
An apparatus for curing a printing plate made of or having photo-curable material, a method of curing such a printing plate, and a printing plate cured by the method. One embodiment of the method includes curing a printing plate made of or having photo-curable material thereon. The method includes producing light energy on part of the printing plate using a light exposure unit, including relative motion between the light energy and the plate in a transverse direction at a changeable period of repetition, such that curing can produce printing features on the plate that can be switched to have either flat tops or round tops according to the period of repetition.
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