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shadow mask

noun

Definition of shadow mask

: a metal plate in a color cathode-ray tube that contains minute apertures permitting passage of electron beams to specific phosphors on the screen during a scan

Examples of shadow mask in a Sentence

Recent Examples on the Web

 The Arcade filter leaves off the scanlines and instead adds a shadow mask effect, simulating the RGB phosphors of an arcade monitor. — Aurich Lawson, Ars Technica, "Street Fighter 30th Anniversary Collection," 29 May 2018

First Known Use of shadow mask

1951, in the meaning defined above

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