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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| creator | Beard, Chris Murray Zheng, Song Boorananut, Noppawan Sherwin, Lucius M |
| description | 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 portions, and to determine an adjustment of the grayscale lithography process based on the calculated profile. The disclosed apparatus also includes an adjuster to control the grayscale lithography process based on the adjustment. |
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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 portions, and to determine an adjustment of the grayscale lithography process based on the calculated profile. The disclosed apparatus also includes an adjuster to control the grayscale lithography process based on the adjustment.</description><language>eng</language><subject>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</subject><creationdate>2019</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20191105&DB=EPODOC&CC=US&NR=10466597B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76294</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20191105&DB=EPODOC&CC=US&NR=10466597B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Beard, Chris Murray</creatorcontrib><creatorcontrib>Zheng, Song</creatorcontrib><creatorcontrib>Boorananut, Noppawan</creatorcontrib><creatorcontrib>Sherwin, Lucius M</creatorcontrib><title>Methods and apparatus to control grayscale photolithography</title><description>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 portions, and to determine an adjustment of the grayscale lithography process based on the calculated profile. 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| subjects | 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 |
| title | Methods and apparatus to control grayscale photolithography |
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