METHOD FOR REDUCING CHARGE IN CRITICAL DIMENSION-SCANNING ELECTRON MICROSCOPE METROLOGY

Methods and compositions are provided for reducing or eliminating charge buildup during scanning electron microscopy (SEM) metrology of a critical dimension (CD) in a structure produced by lithography. An under layer is utilized that comprises silicon in the construction of the structure. When the l...

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Bibliographische Detailangaben
Hauptverfasser:	Montgomery Melvin W, Montgomery Cecilia A, Bunday Benjamin D
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS SPECIALLY ADAPTED THEREFOR BASIC ELECTRIC ELEMENTS CINEMATOGRAPHY ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY ELECTROGRAPHY HOLOGRAPHY INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MATERIALS THEREFOR MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS ORIGINALS THEREFOR PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHYSICS SEMICONDUCTOR DEVICES TESTING
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Beschreibung
Zusammenfassung:	Methods and compositions are provided for reducing or eliminating charge buildup during scanning electron microscopy (SEM) metrology of a critical dimension (CD) in a structure produced by lithography. An under layer is utilized that comprises silicon in the construction of the structure. When the lithography structure comprising the silicon-comprising under layer is scanned for CDs using SEM, the under layer reduces or eliminates charge buildup during SEM metrological observations.