Master Artwork Generator System
Original Publication Date: 1979-Feb-01
Included in the Prior Art Database: 2005-Feb-19
Optical system 1 exposes photographic plate P which is to be subsequently used as a glass master or mask for making printed-circuit (PC) boards or the like. Plate P is located on an XY positioning table (not shown) which uses a conventional orthogonal aligned dual-laser interferometer system (not shown) for positioning the table.