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United States Utility Patents
7,053,980 - 7,053,989

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NumberTitle
7,053,980 Lithographic alignment system
7,053,981 Lithographic apparatus and device manufacturing method
7,053,982 Alignment apparatus and exposure apparatus
7,053,983 Liquid immersion type exposure apparatus
7,053,984 Method and systems for improving focus accuracy in a lithography system
7,053,985 Printer and a method for recording a multi-level image
7,053,986 Projection optical system, exposure apparatus, and device manufacturing method
7,053,987 Methods and systems for controlling radiation beam characteristics for microlithographic processing
7,053,988 Optically polarizing retardation arrangement, and microlithography projection exposure machine
7,053,989 Exposure apparatus and exposure method



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