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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Format: | Patent |
Sprache: | eng ; fre ; ger |
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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. |
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