Exposure apparatus, manufacturing method of flat-panel display, device manufacturing method, and exposure method
An exposure apparatus that scans and exposes each of a plurality of areas on a glass substrate, by irradiating the substrate with an illumination light via a projection optical system and relatively driving the substrate with respect to the illumination light, is equipped with: a substrate holder that levitates and supports a first area of the substrate; a substrate carrier that holds the glass substrate levitated and supported by the substrate holder; an X coarse movement stage that drives the substrate holder; an X voice coil motor that drives the substrate carrier; and a controller that controls the X coarse movement stage and the X voice coil motor so that the substrate holder and the substrate carrier are driven, respectively, in scanning exposure. Accordingly, an exposure apparatus with improved position controllability of an object can be provided.
1. An exposure apparatus that scans and exposes each of a plurality of areas on an object by irradiating the object with an illumination light via an optical system and relatively moving the object with respect to the illumination light in a scanning direction, the apparatus comprising:
a support section that levitates and supports at least a first area and a second area of the plurality of areas of the object, the second area being different from the first area in position in a non-scanning direction intersecting the scanning direction;
a holding section that holds the object levitated and supported by the support section;
a first drive system that moves the support section;
a second drive system that moves the holding section; and
a control system that controls the first drive system to move the support section facing the first and the second areas of the object in the scanning direction and controls the second drive system to move the holding section in the scanning direction, in scanning exposure with respect to the first area supported by the support section, wherein
the control system changes an area to which the scanning exposure is performed from the first area to the second area by controlling the first drive system to move the support section supporting the first area and the second area in the non-scanning direction, and by controlling the second drive system to move the holding section in the non-scanning direction.
2. The exposure apparatus according to claim 1 , wherein
in the scanning exposure, the control system controls the first and the second drive systems to adjust a position of the object with respect to the illumination light by relatively moving the holding section with respect to the support section.
3. The exposure apparatus according to claim 1 , wherein
the holding section can be relatively moved with respect to the support section in the scanning direction and the non-scanning direction.
4. The exposure apparatus according to claim 1 , wherein
the support section levitates and supports the holding section.
5. The exposure apparatus according to claim 1 , wherein
the control system adjusts a position of the object on the basis of positions of the first area and the second area with respect to the illumination light.
6. The exposure apparatus according to claim 1 , wherein
the first drive system relatively moves the support section with respect to the holding section in a third direction parallel to an optical axis direction of the optical system.
7. The exposure apparatus according to claim 1 , further comprising:
an acquisition section that acquires information on a position of the holding section, wherein
a part of the acquisition section is provided at the holding section.
8. The exposure apparatus according to claim 7 , wherein
the acquisition section includes an optical interferometer system, and
a reflection surface for position measurement using the optical interferometer system is formed at the holding section.
9. The exposure apparatus according to claim 1 , wherein
the support section has a gas supplying hole that supplies a gas to between the object and the support section.
10. The exposure apparatus according to claim 9 , wherein
the support section has a gas suctioning hole that suctions a gas between the object and the support section.
11. The exposure apparatus according to claim 1 , wherein
the first drive system comprises a guidance device that is provided movable in a direction parallel to a predetermined plane orthogonal to an optical axis of the optical system, and guides the support section into the scanning direction in which the object is moved when the scanning exposure is performed, and
the holding section is placed on the guidance device.
12. The exposure apparatus according to claim 1 , wherein
the support section is provided on a guide member that has a guide surface parallel to a predetermined plane orthogonal to an optical axis of the optical system, and
the holding section is placed on the guide surface.
13. The exposure apparatus according to claim 1 , wherein
elements configuring the first drive system and elements configuring the second drive system are at least partially in common.
14. The exposure apparatus according to claim 1 , further comprising:
a pattern forming device that forms a predetermined pattern on the object using an energy beam.
15. The exposure apparatus according to claim 14 , wherein
the object is a substrate used for a flat-panel display.
16. The exposure apparatus according to claim 15 , wherein
the substrate has at least a side or a diagonal line with a length of 500 mm or greater.
17. A manufacturing method of a flat-panel display, comprising:
exposing the object using the exposure apparatus according to claim 1 ; and
developing the object that has been exposed.
18. A device manufacturing method, comprising:
exposing the object using the exposure apparatus according to claim 1 ; and
developing the object that has been exposed.
19. An exposure method of scanning and exposing each of a plurality of areas on an object by irradiating the object with an illumination light via an optical system and relatively moving the object with respect to the illumination light in a scanning direction, the method comprising:
levitating and supporting at least a first area and a second area of the plurality of areas of the object, using a support section, the second area being different from the first area in position in a non-scanning direction intersecting the scanning direction;
holding the object levitated and supported by the support section, using a holding section;
controlling a first drive system that moves the support section facing the first and the second areas of the object and a second drive system that moves the holding section so that the support section and the holding section are each moved in the scanning direction, in scanning exposure with respect to the first area; and
changing an area to which the scanning exposure is performed from the first area to the second area, by controlling the first drive system to move the support section supporting the first area and the second area in the non-scanning direction, and by controlling the second drive system to move the holding section in the non-scanning direction.
20. The exposure method according to claim 19 , wherein
in the controlling, the first and the second drive systems are controlled so that a position of the object with respect to the illumination light is adjusted by relatively moving the holding section with respect to the support section in the scanning exposure.
21. The exposure method according to claim 19 , wherein
the holding section can be relatively moved with respect to the support section in the scanning direction and the non-scanning direction.
22. The exposure method according to claim 19 , wherein
in the controlling, a position of the object is adjusted on the basis of positions of the first area and the second area with respect to the illumination light.
23. The exposure method according to claim 19 , wherein
the first drive system relatively moves the support section with respect to the holding section in a third direction parallel to an optical axis direction of the optical system.
24. The exposure method according to claim 19 , further comprising:
acquiring information on a position of the holding section, using an acquisition section, wherein
a part of the acquisition section is provided at the holding section.
25. The exposure method according to claim 24 , wherein
the acquisition section includes an optical interferometer system, and
a reflection surface for position measurement using the optical interferometer system is formed at the holding section.
26. The exposure method according to claim 19 , wherein
the support section has a gas supplying hole that supplies a gas to between the object and the support section.
27. The exposure method according to claim 26 , wherein
the support section has a gas suctioning hole that suctions a gas between the object and the support section.
28. The exposure method according to claim 19 , wherein
the holding section is placed on the support section.
29. The exposure method according to claim 19 , wherein
the first drive system comprises a guidance device that is provided movable in a direction parallel to a predetermined plane orthogonal to an optical axis of the optical system, and guides the support section into the scanning direction in which the object is moved when the scanning exposure is performed, and
the holding section is placed on the guidance device.
30. The exposure method according to claim 19 , wherein
the support section is provided on a guide member that has a guide surface parallel to a predetermined plane orthogonal to an optical axis of the optical system, and
the holding section is placed on the guide surface.
31. The exposure method according to claim 19 , wherein
elements configuring the first drive system and elements configuring the second drive system are at least partially in common.
32. The exposure method according to claim 19 , further comprising:
forming a predetermined pattern on the object using an energy beam.
33. The exposure method according to claim 32 , wherein
the object is a substrate used for a flat-panel display.
34. The exposure method according to claim 33 , wherein
the substrate has at least a side or a diagonal line with a length of 500 mm or greater.
35. A manufacturing method of a flat-panel display, comprising:
exposing the object using the exposure method according to claim 19 ; and
developing the object that has been exposed.
36. A device manufacturing method, comprising:
exposing the object using the exposure method according to claim 19 ; and
developing the object that has been exposed.