INSPECTION APPARATUS FOR DETECTING DEFECTS IN TRANSPARENT SUBSTRATES

Methods, apparatus and systems for the detection of defects in transparent substrates such as glass sheets are disclosed. The methods, apparatus and systems are capable of detecting optical path length variations in transparent substrates smaller than 100 nm.

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Bibliographische Detailangaben
Hauptverfasser: HILTNER, JASON, GAHAGAN, KEVIN
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:Methods, apparatus and systems for the detection of defects in transparent substrates such as glass sheets are disclosed. The methods, apparatus and systems are capable of detecting optical path length variations in transparent substrates smaller than 100 nm.