Lithographic apparatus and device manufacturing method
Use of a refraction grating to divide a beam of radiation into a plurality of sub-beams that are each directed onto an array of individually controllable elements, modulated thereby and projected onto a substrate as an array of spots.
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | Use of a refraction grating to divide a beam of radiation into a plurality of sub-beams that are each directed onto an array of individually controllable elements, modulated thereby and projected onto a substrate as an array of spots. |
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