Laser imaged printing plates
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United States of America Patent
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Jul 12, 2005
Grant Date -
Jan 24, 2002
app pub date -
Jul 3, 2001
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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