| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a planographic printing plate original which has no wearing-off of the film in the picture section, which is free from remainder of a photosensitive layer in the non-picture section, and which enables a clear printed matter to be obtained, in other words, an original plate having a superior development latitude, through a simple development process after picture recording by photothermal transduction of a laser beam, on the basis of digital data of a computer or the like. <P>SOLUTION: The planographic printing plate original is characterized in that the holding body is coated with a photosensitive component containing an infrared absorbing dyestuff, alkaline soluble resin, acid anhydride, organic solvent, and water of 0.05-1.00 wt%. <P>COPYRIGHT: (C)2004,JPO |
