抄録
Computer-To-Plate imaging has given the impact on the graphic arts market in terms of saving an intermediate film step and transferring computer data to the remote output device easily through the communication line. Many Computer-To-Plate imaging devises were exhibited at DRUPA '95 held in Germany and are expected to be widely used this year. This paper describes the background of developing imagesetters at Dainippon Screen first and the various exposing methods are explained precisely from the viewpoint of the optical system. Also some consideration is given for the CTP imagesetter to become more popular in the future.
