A photoplotter's an electro-mechanical-optical machine that produces a latent image on a media, usually high-contrast monochromatic (black-and-white) photographic film, using a light source under computer control. Photoplots are used primarily in the electronics industry for the production of printed circuit boards. Other application areas include chemical milling, and some specialized graphic arts. The first photoplotter was introduced by the Gerber Scientific Company (now Barco ETS) in the 196… (More on Photoplotter)