LITHOGRAPHIC APPARATUS AND DEVICE MANUFACTURING METHOD, AND MEASUREMENT SYSTEM
The invention pertains to a lithographic apparatus including a radiation system configured to condition a beam of radiation; a projection system configured to project the beam of radiation onto a target portion of a substrate; a displacement device configured to move the moveable object relative to...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The invention pertains to a lithographic apparatus including a radiation system configured to condition a beam of radiation; a projection system configured to project the beam of radiation onto a target portion of a substrate; a displacement device configured to move the moveable object relative to the projection system in substantially a first direction and a second direction differing from the first direction; and a measuring device configured to measure a displacement of the moveable object in a third direction, which is substantially perpendicular to the first direction and to the second direction, wherein the measuring device may include an encoder system. |
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