Method of making laser imaged printing plates utilizing ultraviolet absorbing layer
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United States of America Patent
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-
Jul 20, 1999
Grant Date -
N/A
app pub date -
Aug 21, 1997
filing date -
Jun 25, 1993
priority date (Note) -
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status (Latency 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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