Metrology tool and method of using the same

A method including: subsequent to a first device lithographic step of a device patterning process, measuring a degraded metrology mark on an object and/or a device pattern feature associated with the degraded metrology mark, the degraded metrology mark arising at least in part from the first device...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	Kreuzer, Justin Lloyd
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS SPECIALLY ADAPTED THEREFOR CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY MATERIALS THEREFOR ORIGINALS THEREFOR PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHYSICS
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Beschreibung
Zusammenfassung:	A method including: subsequent to a first device lithographic step of a device patterning process, measuring a degraded metrology mark on an object and/or a device pattern feature associated with the degraded metrology mark, the degraded metrology mark arising at least in part from the first device lithographic step on the object; and prior to a second device lithographic step of the device patterning process on the object, creating a replacement metrology mark, for use in the patterning process in place of the degraded metrology mark, on the object.