| 摘要 |
PURPOSE:To obtain a picture by smearing quickly, simply and surely, by coating a photosensitive layer on the surface of a light transmitting base film and forming a smeared part with a light shielding film by using a photosensitive film in which a light shielding film having the peeling property is coated on its rear surface. CONSTITUTION:A photosensitive layer 1 is coated on the surface of a light transmitting base film 2, and A coloring and light shielding film 3 having the peeling property is coated on the rear surface to prepare a photosensitive film (a). A prescribed lined pattern (a pattern of printed wiring etc.) is exposed R and developed on the layer 1 to form a lined pattern 4. The photosensitive film (a) is turned over and the light shielding film layer 3 is cut by lining 5 along the outline of a prescribed smeared part (b) and other film part is peeled by leaving an outlined part 6. By this way, a picture by smearing is formed easily in the less stages in order to perform a mass production of a print circuit substrate and an original plate of drawing etc. at a low cost. |
