Method and system of inspecting a photolithographic reticle, and computer readable medium

Disclosed are methods and systems for inspecting photolithographic reticles. A first and second reticle that were fabricated with a same design are obtained. A first and second reticle image of the first and second reticles are also obtained. The first reticle image is compared to the second reticle...

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Bibliographische Detailangaben
Hauptverfasser:	SOUSA, WESTON L, HESS, CARL E, XIONG, YALIN
Format:	Patent
Sprache:	chi ; 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:	Disclosed are methods and systems for inspecting photolithographic reticles. A first and second reticle that were fabricated with a same design are obtained. A first and second reticle image of the first and second reticles are also obtained. The first reticle image is compared to the second reticle image to output a difference image having a plurality of difference events corresponding to candidate defects on either the first or second reticle. An inspection report of the candidate defects is then generated.