High-Speed Laser Platemaking from Digital Data for the Defense Mapping Agency

摘要

A Digital Laser Platemaker will significantly reduce the time and cost for producing standard and special purpose maps that are now printed by lithographic methods. This platemaker, developed at the U.S. Army Engineer Topographic Laboratories (USAETL) Ft. Belvoir, VA. will expose a 41- by 59-inch image on a diazo-coated press plate in 15 minutes by using an Ultra Violet (UV) laser and digital data input via magnetic tape. Plates will be exposed while they are held on the internal surface of a stationary drum after it is loaded by a semi-automatic mechanism. The system can also produce film plots for archival storage of graphic images. (Author)