IMAGE MODELING-ASSISTED CONTOUR EXTRACTION

A wafer metrology tool, such as a scanning electron microscope, can generate an image of a structure on a wafer. A simulated image of the structure also is determined from a design of the wafer. A contour of the structure in the image and a contour of the structure in the simulated image are determi...

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Bibliographische Detailangaben
Hauptverfasser:	CHEN, Zhijin, EYRING, Stefan, LASKE, Frank
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY 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 SEMICONDUCTOR DEVICES TESTING
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Beschreibung
Zusammenfassung:	A wafer metrology tool, such as a scanning electron microscope, can generate an image of a structure on a wafer. A simulated image of the structure also is determined from a design of the wafer. A contour of the structure in the image and a contour of the structure in the simulated image are determined. These contours are compared.