System and method for compensating for radiation induced thermal distortions
A system and method are used to compensate for thermal effect on a lithographic apparatus. The system comprises a patterning device, a projection system, a substrate position controller, and a substrate-position-based expansion-compensator. The patterning device modulates a radiation beam. The proje...
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| creator | VENEMA WILLEM J MARIA ZAAL KOEN J.J TINNEMANS PATRICIUS A.J |
| description | A system and method are used to compensate for thermal effect on a lithographic apparatus. The system comprises a patterning device, a projection system, a substrate position controller, and a substrate-position-based expansion-compensator. The patterning device modulates a radiation beam. The projection system projects the modulated radiation beam onto a target portion of a substrate. The substrate position controller moves the substrate relative to the projection system sequentially through a plurality of exposure positions. The substrate-position-based expansion-compensator interacts with the substrate position controller to modify the exposure positions in order at least partially to compensate for thermally-induced geometrical changes of at least one of the substrate and projection system. |
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The system comprises a patterning device, a projection system, a substrate position controller, and a substrate-position-based expansion-compensator. The patterning device modulates a radiation beam. The projection system projects the modulated radiation beam onto a target portion of a substrate. The substrate position controller moves the substrate relative to the projection system sequentially through a plurality of exposure positions. 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| subjects | ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM APPARATUS SPECIALLY ADAPTED THEREFOR CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY MATERIALS THEREFOR ORIGINALS THEREFOR PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHYSICS |
| title | System and method for compensating for radiation induced thermal distortions |
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