Laser imaged printing plates
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United States of America Patent
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Aug 12, 2003
Grant Date -
Jan 30, 2003
app pub date -
May 23, 2002
filing date -
Jun 25, 1993
priority date (Note) -
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Abstract
Laser-imageable flexographic printing plates and a method of making same are disclosed. A thin polymeric film doped with a UV absorber is laminated to a photopolymer layer. The film is ablated from the photopolymer using a laser operating at a selected wavelength to create an in situ negative. The resulting negative can be subjected to typical UV flood exposure and development.
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