Illumination system of a microlithographic projection exposure apparatus

An illumination system of a microlithographic projection exposure apparatus includes a light source to produce projection light beam, and a first and a second diffractive optical element between the light source and a pupil plane of the illumination system. The diffractive effect produced by each di...

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Bibliographische Detailangaben
Hauptverfasser: Schwab, Markus, Schlesener, Frank, Bieling, Stig, Patra, Michael, Deguenther, Markus
Format: Patent
Sprache:eng
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