also: シャドウマスク
noun
shadow mask
Technical term in colour television technology; a perforated metal sheet that ensures electron beams hit the correct phosphor dots.
シャドーマスクはブラウン管の色再現に不可欠な部品です。
The shadow mask is an essential component for color reproduction in cathode-ray tubes.
Variant spelling reflecting the English 'shadow' more closely.
Spelling with interpunct; rarely used in practice.
Variant with interpunct; rarely used in practice.
Borrowed from English 'shadow mask'.