shadow mask

(redirected from slot mask)
Also found in: Encyclopedia.

shadow mask

n
(Electronics) television 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
Mentioned in ?
References in periodicals archive ?
By incorporating the ViewSonic PerfectFlat technology with a slot mask design, the GF775 offers the benefits of both shadow mask and aperture grille tubes to produce brighter, sharper images with superior focus and vivid color," said Sally Wang, Product Line Manager at ViewSonic.