G - Physics – 03 – F
Patent
G - Physics
03
F
G03F 7/095 (2006.01) G03F 1/00 (2006.01) G03F 7/26 (2006.01)
Patent
CA 2140872
A photosensitive printing element having two radiation-sensitive layers and a process for making a flexographic printing plate from such element are disclosed. The photosensitive element contains a bottom layer which is sensitive to non-IR actinic radiation and an upper, IR-ablatable layer. After imagewise ablating the upper layer, the bottom layer is exposed to non-IR actinic radiation using the upper layer as a mask (portable conformable mask).
L'invention concerne un élément d'impression photosensible présentant une couche séparable par infrarouge, et un procédé de fabrication d'une planche d'impression flexographique à partir dudit élément. Ledit élément photosensible est constitué d'une couche de fond sensible aux rayonnements actiniques non infrarouges et d'une couche supérieure séparable par infrarouge. Après avoir séparé la couche supérieure selon un motif, la couche de fond est exposée à un rayonnement actinique non infrarouge la couche supérieure servant de masque (masque conformable portatif).
Bennett Jones Llp
E. I. Du Pont de Nemours And Company
LandOfFree
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