Methods and apparatus to control grayscale photolithography

Methods and apparatus to control grayscale lithography are disclosed. A disclosed example apparatus for adjusting a grayscale lithography process includes an optical measurement device to optically measure portions of a patterned wafer, and a processor to calculate a profile based on the measured po...

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Bibliographische Detailangaben
Hauptverfasser:	Beard, Chris Murray, Zheng, Song, Boorananut, Noppawan, Sherwin, Lucius M
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS SPECIALLY ADAPTED THEREFOR BASIC ELECTRIC ELEMENTS CINEMATOGRAPHY ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY ELECTROGRAPHY HOLOGRAPHY MATERIALS THEREFOR MICROSTRUCTURAL TECHNOLOGY ORIGINALS THEREFOR PERFORMING OPERATIONS PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHYSICS PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTUREOR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS SEMICONDUCTOR DEVICES TRANSPORTING
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