To provide a lithographic printing plate using a silver complex salt diffusion transfer method having high printing durability and a high printing antifouling property.
This manufacturing method is a method of manufacturing the monosheet type lithographic printing plate of applying the silver complex salt diffusion transfer method applied with at least a backing layer, a physical developing kernel layer containing a hydrophilic polymer, and a silver halide emulsion layer in this order, on a support body, or a method of manufacturing the monosheet type lithographic printing plate of applying a silver complex salt diffusion transfer method of supplying silver from a silver supply sheet applied with at least a silver halide emulsion layer, on a support body, to an image receiving sheet applied sequentially with at least a backing layer, and a physical developing kernel layer containing a hydrophilic polymer, on another support body, and a surface of the backing layer is etched by nonequibrium plasma processing before applying the physical developing kernel layer, in the manufacturing methods.
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