| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a direct drawing type waterless lithographic printing original plate which has high sensitivity, hardly causes expansion due to heat, in other words, has a wide latitude. <P>SOLUTION: In the direct drawing type waterless lithographic printing original plate which has at least a heat sensitive layer and a silicone rubber layer in this order on a substrate, the heat sensitive layer contains non-photosensitive particles, and the average particle size of the non-photosensitive particles is a half or more of the average film thickness of the heat sensitive layer in a portion in which the non-photosensitive particles do not exist. <P>COPYRIGHT: (C)2012,JPO&INPIT |
