| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an infrared-sensitive positive planographic printing plate original in which a recording layer is free of scratch in transport and in storage even when such originals are stacked without using a slip sheet, and which is suitably used even in an exposure apparatus equipped with an automatic feeding device (autoloader). <P>SOLUTION: The infrared-sensitive planographic printing plate original has, on one surface of a support, the recording layer containing a water-insoluble and alkali-soluble resin and an infrared absorber, and capable of forming an image by infrared irradiation, has an organic polymer layer on the other surface of the support, and has a mat on at least one of the surface of the recording layer and the surface of the organic polymer layer. <P>COPYRIGHT: (C)2007,JPO&INPIT |
