Method of producing a relief image for printing
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United States of America Patent
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Mar 27, 2012
Grant Date -
Oct 13, 2005
app pub date -
Mar 15, 2005
filing date -
Apr 10, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention involves a method for making a relief image. A film that includes a carrier sheet and an imageable material is used to form a mask image that is opaque to a curing radiation. In one embodiment, the mask image is formed on the carrier sheet while in another embodiment, the mask image is formed on a receptor sheet. The mask image is then transferred to a photosensitive material, such as a flexographic printing plate precursor. The resulting assembly is exposed to the curing radiation resulting in exposed and unexposed areas of the photosensitive material. The carrier sheet or the receptor sheet may be removed from the mask image either before or after exposure to the curing radiation. Finally, the photosensitive material and mask image assembly is developed with a suitable developer to form a relief image.
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