シャドーマスク

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かんの色いろ再さい現げんに不ふ可か欠けつな部ぶ品ひんです。

  The shadow mask is an essential component for color reproduction in cathode-ray tubes.