Apparatus and method for correlating images of a photolithographic mask

An apparatus for correlating at least two images of a photolithographic mask that at least partially overlap, in which the apparatus includes a correlation unit that is provided to use at least one random variation, which is present in the at least two images, of at least one structural element of t...

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Hauptverfasser: Weber, Dieter, Waiblinger, Markus
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creator Weber, Dieter
Waiblinger, Markus
description An apparatus for correlating at least two images of a photolithographic mask that at least partially overlap, in which the apparatus includes a correlation unit that is provided to use at least one random variation, which is present in the at least two images, of at least one structural element of the photolithographic mask for the correlation of the at least two images.
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subjects APPLICATIONS OF SCANNING-PROBE TECHNIQUES, e.g. SCANNING PROBEMICROSCOPY [SPM]
BASIC ELECTRIC ELEMENTS
CALCULATING
COMPUTING
COUNTING
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRICITY
HANDLING RECORD CARRIERS
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
MEASURING
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
SCANNING-PROBE TECHNIQUES OR APPARATUS
TESTING
title Apparatus and method for correlating images of a photolithographic mask
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