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Edmund Optics - Manufacturing Services 8/24 LB
Photonics Dictionary

shadow mask tube

A type of color-generating cathode-ray tube that uses a shadow mask, a thin perforated electrode, located close to the display screen. Each hole in the mask coincides with a triad of three phosphor dots, each representing red, blue or green. A specific electron beam from the gun energizes phosphor dots of a single color.
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