The shadow mask is one of the two technologies used in the manufacture of cathode-ray tube televisions and computer monitors which produce clear, focused color images. The other approach is the apertu
Shadow mask
In-line (left) and triad (right) shadow mask
Shadow mask-based CRT in close-up
A cathode ray tube is a vacuum tube containing one or more electron guns, which emit electron beams, which are directed and controlled to display images on a phosphorescent screen. The images may repr
Shadow mask
…The shadow mask is one of the two technologies used in the manufacture of cathode-ray tube (CRT) televisions and computer monitors which produce clear, focused color images. The other approach is the aperture grille, better known by its trade…
Oscilloscope cathode ray tube
A Macintosh computer from the 1990s with integrated CRT display
The rear of an LG.Philips Displays 14-inch color cathode ray tube showing its deflection coils and electron guns
Typical 1950s United States monochrome CRT TV