EXCELLON

LASER IMAGING EQUIPMENT FOR USE IN THE PRODUCTION OF PRINTED WIRING BOARDS, NAMELY, LASER PLOTTERS FOR PRODUCTION OF SILVER HALIDE PHOTO TOOLS FROM A PART PROGRAM GRAPHIC DATA BASE; LASER IMAGING APPARATUS FOR DIRECT EXPOSURE OF PHOTO SENSITIZED PRINTED WIRING BOARDS; DATA CONVERTORS FOR STORING, EDITING, CONVERTING AND TRANSFERRING GRAPHIC IMAGE PART PROGRAM DATA FROM VARIOUS DESIGN SYSTEMS TO IMAGING APPARATUS; AND STEPPING EXPOSURE APPARATUS FOR PLOTTING SILVER HALIDE PHOTO TOOLS