| 摘要 |
PROBLEM TO BE SOLVED: To provide a process-less plate, the image visibility of which is improved through exposure and which is excellent in print durability. SOLUTION: This manufacturing method of a lithographic printing plate has a plurality of processes for exposing a support and a lithographic printing plate material having a heatsensitive recording layer provided on the support and including hot weld particles or heatsensitive hydrophobic polymer particles. In this case, at least one process to expose the lithographic printing plate material is one process for heating the surface of the lithographic printing plate up to 120°C or more through the exposure with infrared rays. COPYRIGHT: (C)2009,JPO&INPIT
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