Lithographic apparatus and method
A lithographic apparatus comprising an illumination system for providing a beam of radiation, a support structure for supporting patterning device, the patterning device serving to impart the radiation beam with a pattern in its cross-section, a substrate table for holding a substrate, a projection...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | A lithographic apparatus comprising an illumination system for providing a beam of radiation, a support structure for supporting patterning device, the patterning device serving to impart the radiation beam with a pattern in its cross-section, a substrate table for holding a substrate, a projection system for projecting the patterned radiation beam onto a target portion of the substrate, and a detector configured to measure a property of the beam of radiation, the detector comprising first and second luminescent uniaxial crystals each having an optic axis, the optic axis of the first uniaxial crystal being arranged such that it is substantially perpendicular to the optic axis of the second uniaxial crystal. |
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