Rasteri Raster In AM (amplitude modulated) screening dots are situated in halftone screen in lines so that the distance of each screen dot is constant measured from middle point of the dot.
Piece of film containing a grid of lines that breaks light into dots as it passes through. The number of lines to the inch controls the coarseness of the final dot formation. The screen used depends on the printing process and the paper to be used, the higher the quality the more lines can be used.
Piece of film or glass containing a grid of lines that breaks light into dots. Also called contact screen and screen.