B - Operations – Transporting – 41 – N
Patent
B - Operations, Transporting
41
N
B41N 1/00 (2006.01)
Patent
CA 2276138
Lithographic printing members include a traditional flood-exposed photopolymer layer applied to one or more layers based on certain metallic inorganic materials. The metallic inorganic material overlies a substrate, which is preferably a relatively thick metal for dimensional stability and strength, but may also be a polymeric or other material. An intermediate tying layer may anchor the metallic inorganic material to the substrate. The plate is exposed and developped in the conventional manner, with the portions of the metallic inorganic layer exposed by development serving as a hydrophilic printing surface (that is, a surface accepting fountain solution).
La présente invention concerne des éléments d'impression lithographiques comprenant une couche photopolymère inondable traditionnelle appliquée sur une ou plusieurs couches constituées de certains matériaux inorganiques métalliques. Le matériau inorganique métallique recouvre un substrat, qui, de préférence est un métal relativement épais qui apporte résistance et stabilité dimensionnelle, mais qui peut être aussi un matériau polymère ou autre. Une couche de liaison intermédiaire peut fixer le matériau inorganique métallique au substrat. La plaque est exposée et dévelopée d'une manière classique, les parties de la couche inorganique métallique exposées par développement servant de surface d'impression hydrophile (c'est à dire une surface acceptant une solution de mouillage).
Presstek Inc.
Smart & Biggar
LandOfFree
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