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    <title>Lochmaske (auch Schattenmaske)</title>
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Lochmaske (auch Schattenmaske)
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In Monitoren mit Kathodenstrahlrhre (CRT) ist die Lochmaske eine Metallplatte mit vielen kleinen Lchern., die am Inneren des Glasbildschirmes befestigt ist. Diese Maske fokussiert die Strahlen der Elektronenstrahlkanone auf der Rckseite der Kathodenstrahlrhre. Der Abstand zwischen den Lchern wird als Lochabstand bezeichnet.
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