| 摘要 |
PURPOSE:To optionally erase an image, by exposing an area having imagewise formed blackened silver to high illuminance light. CONSTITUTION:A part or total area having imagewise formed blackened silver is exposed to high illuminance light. Effective illumination time is 10<-5>-5X 10<-2>sec, and effective amt. of energy is 10<-2>-10<3>joule/cm<2>. As the photosensitive material to be used, any material capable of forming developed silver can be used. |
