Printing plate precursor and printing method
AssigneeKonica Corporation
InventorTakeshi Sampei
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Abstract
Disclosed is a printing plate precursor comprising an aluminum support having been subjected to surface roughening treatment and then to anodizing treatment, and provided thereon, a component layer comprising an image formation layer containing heat melting particles or heat fusible particles, the support satisfying the following conditions (a) and (b): (a) a surface of the support contains a double structure with a waviness and small pits in the waviness; and (b) d1 is from 0.1 to 3 μm, and a ratio h1/d1 is not more than 0.4, wherein d1 (μm) represents an average aperture diameter of the small pits, and h1 (μm) represents an average depth of the small pits.
Claims14
A printing plate precursor comprising an aluminum support having been subjected to surface roughening treatment and then to anodizing treatment, and provided thereon, a component layer comprising an image formation layer containing heat melting particles or heat fusible particles, the support satisfying the following conditions (a) and (b):
- (a) a surface of the support contains a double structure with a waviness and small pits in the waviness;
- and
- (b) d1 is from 0.1 to 3 μm, and a ratio h1/d1 is not more than 0.4, wherein d1 (μm) represents an average aperture diameter of the small pits, and h1 (μm) represents an average depth of the small pits.
Dependencies are inferred from the claim text.