JP2005317990A5 - - Google Patents
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- JP2005317990A5 JP2005317990A5 JP2005171070A JP2005171070A JP2005317990A5 JP 2005317990 A5 JP2005317990 A5 JP 2005317990A5 JP 2005171070 A JP2005171070 A JP 2005171070A JP 2005171070 A JP2005171070 A JP 2005171070A JP 2005317990 A5 JP2005317990 A5 JP 2005317990A5
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- JP
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- Prior art keywords
- optical system
- projection optical
- exposure
- exposure light
- projection
- Prior art date
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Claims (7)
前記投影光学系を通過した前記露光光源からの露光光を二つの光束に分割し、該分割された二つの光束を干渉させることにより形成された干渉縞を、観察するステップを有することを特徴とする投影光学系の光学性能測定方法。 An optical performance of the projection optical system of an exposure apparatus comprising: an illumination system that illuminates a first object with exposure light from an exposure light source; and a projection optical system that projects a pattern of the first object onto a second object. In the optical performance measurement method of the projection optical system that measures with an interferometer mounted on the exposure apparatus,
By the step of the exposure light from the exposure light source which has passed through the projection optical system is divided into two light fluxes, interference fringes formed by interference of two light beams the divided observes optical performance measurement how the projection optical system shall be the feature.
前記投影光学系を通過した前記露光光源からの露光光から参照光を生成し、該参照光と前記投影光学系を通過した前記露光光とを干渉させることにより形成された干渉縞を、観察するステップを有することを特徴とする投影光学系の光学性能測定方法。 Of Ru exposure apparatus and a projection optical system for projecting on a second object wherein the first object pattern and the illumination system for illuminating the first object with exposure light from the exposure light source, the optical performance of the projection optical system wherein In the optical performance measurement method of the projection optical system that measures with an interferometer mounted on the exposure apparatus,
Observing interference fringes formed by generating reference light from exposure light from the exposure light source that has passed through the projection optical system and causing the reference light to interfere with the exposure light that has passed through the projection optical system optical performance measuring how the projection optical system you characterized by the step.
前記第1物体のパターンを第2物体上に投影する投影光学系と、A projection optical system that projects a pattern of the first object onto a second object;
前記投影光学系を透過した前記露光光源からの露光光の波面を測定するラテラルシェアー干渉計と、を備えることを特徴とする投影露光装置。A projection exposure apparatus, comprising: a lateral shear interferometer that measures a wavefront of exposure light from the exposure light source that has passed through the projection optical system.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005171070A JP4078361B2 (en) | 2005-06-10 | 2005-06-10 | Method for measuring optical performance of projection optical system and projection exposure apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005171070A JP4078361B2 (en) | 2005-06-10 | 2005-06-10 | Method for measuring optical performance of projection optical system and projection exposure apparatus |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP07928799A Division JP3796369B2 (en) | 1999-03-24 | 1999-03-24 | Projection exposure system with interferometer |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007331824A Division JP2008153675A (en) | 2007-12-25 | 2007-12-25 | Optical performance measuring method of projection optical system |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2005317990A JP2005317990A (en) | 2005-11-10 |
JP2005317990A5 true JP2005317990A5 (en) | 2006-10-19 |
JP4078361B2 JP4078361B2 (en) | 2008-04-23 |
Family
ID=35445016
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005171070A Expired - Fee Related JP4078361B2 (en) | 2005-06-10 | 2005-06-10 | Method for measuring optical performance of projection optical system and projection exposure apparatus |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4078361B2 (en) |
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2005
- 2005-06-10 JP JP2005171070A patent/JP4078361B2/en not_active Expired - Fee Related
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