Noun
platesetter (plural platesetters)
A machine used in the manufacture of printed circuit boards
The image on the plate emulsion can also be created by direct laser imaging in a CTP ( Computer-To-Plate ) device known as a platesetter. Source: Internet
The development of the digital platesetter during the late 20th century eliminated film negatives altogether by exposing printing plates directly from digital input, a process known as computer to plate printing. Source: Internet