| 摘要 |
PURPOSE:To enlarge a line width sufficiently even at the acute angle part or the protruded part of a pattern, by a method wherein a gap is arranged between the fine image pattern layer of a manuscript and the photosensitive part of a photosensitive material to be subjected to the formation of a thickened pattern while a light scattering layer is arranged to the incident light side of the manuscript. CONSTITUTION:A gap is arranged between the fine image pattern layer of a manuscript having a fine image pattern 10 and the photosensitive layer 12 of a photosensitive material to be subjected to the formation of a thickened pattern while a light scattering layer 14 showing, for example, a milky white color is arranged so as to be contacted with the manuscript in the incident light side thereof. A bold face pattern having an ideal shape free from a narrow part in an enlarged line even in the acute angle part or the protruded part of the fine image pattern of the manuscript is obtained. |
