| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lithography original wide in development latitude and superior in ink adhesion of an image part by directly enabling plate making due to scanning exposure based on a digital signal from a computer or the like. <P>SOLUTION: A recording layer comprises a photosensitive composition containing a polymer compound denoted in a general formula (I), onium salt, and an infrared absorbent. Herein, in the general formula (I), R<SP>1</SP>denotes a hydrocarbon group, and R<SP>2</SP>denotes an aromatic group possessing a hydroxyl group as a substituent. m=5-40 mol%, n=10-60 mol%, o=1-10 mol% and p=5-50 mol%. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
