LITHOGRAPHIC PRINTING PLATE

摘要

PROBLEM TO BE SOLVED: To provide a lithographic printing plate from which an emulsion layer can be washed away excellently. SOLUTION: In the lithographic printing plate having a physical developing nucleus layer between a roughened and anodically oxidized aluminum supporting body and a silver halide emulsion layer, the silver halide emulsion layer consists of two or more layers. The silver halide emulsion layer nearest to the supporting body contains nitrate or nitrite ions. COPYRIGHT: (C)2005,JPO&NCIPI