Illumination system and exposure apparatus having the same

An illumination system includes a spectral optical element for separating radiation light from a radiation source, including at least one of X-rays and vacuum ultraviolet rays. The spectral optical element provides an emission angle to the radiation light which changes with the wavelength thereof. T...

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Bibliographische Detailangaben
Hauptverfasser: MIYAKE, AKIRA, HAYASHIDA, MASAMI
Format: Patent
Sprache:eng
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