OPTICAL METROLOGY ON TEXTURED SAMPLES

One or more parameters of a sample that includes a textured substrate and one or more overlying films is determined using, e.g., an optical metrology device to direct light to be incident on the sample and detecting light after the incident light interacts with the sample. The acquired data is norma...

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1. Verfasser:	NAOT, Ira
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS PHYSICS TESTING
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description	One or more parameters of a sample that includes a textured substrate and one or more overlying films is determined using, e.g., an optical metrology device to direct light to be incident on the sample and detecting light after the incident light interacts with the sample. The acquired data is normalized using reference data that is produced using a textured reference sample. The normalized data is then fit to simulated data that is associated with a model having an untextured substrate and one or more variable parameters. The value(s) of the one or more variable parameters from the model associated with the simulated data having the best fit is reported as measurement result.
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language	eng ; fre ; ger
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subjects	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS PHYSICS TESTING
title	OPTICAL METROLOGY ON TEXTURED SAMPLES
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