UVC LED LIGHT FINISHER FOR DETACKING FLEXOGRAPHIC PRINTING PLATES
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United States of America
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Issued Date -
Dec 5, 2024
app pub date -
Nov 22, 2022
filing date -
Nov 22, 2022
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Abstract
Apparatus and method for exposing a partially processed photopolymer printing plate to post-exposure radiation and finishing radiation, the printing plate defining a whole area having a first full lateral dimension and a second full lateral dimension perpendicular to the first lateral dimension. A plurality of light-emitting diodes (LEDs) are arranged in one or more arrays; a surface for receiving the printing plate in a location disposed to receive the post exposure radiation and the finishing radiation; and one of more controllers connected to the one or more arrays to activate the one or more arrays to cause the plurality of sets of LEDs to emit radiation toward the printing plate. The plurality of LEDs includes at least a first set of LEDs to emit the post exposure radiation in a UVA spectral range and a second set of LEDs to emit the finishing radiation in a UVC spectral range.
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