| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a printing plate material which is improved in sensitivity, developability and image quality and on which an image is recorded by exposure of infrared laser. <P>SOLUTION: The printing plate material has a component layer comprising a functional layer on which the image is recorded by exposure of infrared laser on a substrate. The substrate has the center line average surface roughness Ra of 0.2 to 1.0 μm, when the three dimension surface roughness measurement according to JIS-B-0601 is performed, and oil sump area A2 being a surface shape parameter of 1 to 10. <P>COPYRIGHT: (C)2009,JPO&INPIT |
