Meaning Of The Word Shadow mask

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Shadow mask Meaning

Shadow mask Definition
Shadow mask Definition

What's The Definition Of Shadow mask?

shadow mask in American English
noun: a perforated metal plate situated behind the faceplate of a color television picture tube and having holes aligned to insure that each of three electron beams strikes only its corresponding red, green, or blue phosphor dot

shadow mask in British English
noun: a perforated metal sheet mounted close to the phosphor-dotted screen in some colour television tubes. The holes are positioned so that each of the three electron beams strikes the correct phosphor dot, producing the required colour mixture in the image

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