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shadow mask

Saltos de línea: shadow mask

Definición de shadow mask en inglés:

sustantivo

A perforated metal screen situated directly behind the phosphor screen in certain types of colour television tube, having a pattern of precisely located holes through which the electron beams pass so as to strike the correct dots on the phosphor screen.
Example sentences
  • The faceplate portion has a screen to display an image, and the panel portion has a shadow mask installed therein.
  • The convergence test measures how accurately the red/green/blue electron guns are firing at the shadow mask - in this test, white lines should appear if the convergence is correct.
  • There are two basic cathode ray tube technologies: aperture grille and shadow mask.

Definición de shadow mask en:

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