摘要 |
PROBLEM TO BE SOLVED: To provide an aluminum planographic printing plate having excellent plate wear and soil resistance. SOLUTION: The planographic plate has a physical development nucleus layer on an aluminum supporting body which has been subjected to surface roughening and anodic oxidation, and further has at least two layers of silver halide layers thereon. The proportion of silver bromide in the silver halide emulsion layer nearest to the aluminum supporting body is highest compared to other layers. COPYRIGHT: (C)2005,JPO&NCIPI |