Shadow mask
On standard monitors, a shadow mask is a metal plate located on the back of the CRT to mask the beams from the electron guns similar to an aperture grille on a Trinitron monitor
Also see: Video definitions, Shadow
On standard monitors, a shadow mask is a metal plate located on the back of the CRT to mask the beams from the electron guns similar to an aperture grille on a Trinitron monitor
Also see: Video definitions, Shadow