REDUCING DEVICE OVERLAY ERRORS

Process control methods, metrology targets and production systems are provided for reducing or eliminating process overlay errors. Metrology targets have pair(s) of periodic structures with different segmentations, e.g., no segmentation in one periodic structure and device-like segmentation in the o...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	VOLKOVICH, Roie, YERUSHALMI, Liran
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	APPARATUS SPECIALLY ADAPTED THEREFOR BASIC ELECTRIC ELEMENTS CINEMATOGRAPHY ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY ELECTROGRAPHY HOLOGRAPHY MATERIALS THEREFOR ORIGINALS THEREFOR PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHYSICS SEMICONDUCTOR DEVICES
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