Source: https://patents.google.com/patent/US7929110
Timestamp: 2018-02-22 05:27:09
Document Index: 430636845

Matched Legal Cases: ['Application No. 08', 'Application No. 200480009673', 'Application No. 2006', 'Application No. 2006', 'Application No. 2006', 'Application No. 201010113626', 'Application No. 200800251', 'Application No. 2005', 'Application No. 2005', 'Application No. 200800250', 'Application No. 200480009673', 'Application No. 2006', 'Application No. 2006']

US7929110B2 - Environmental system including a transport region for an immersion lithography apparatus - Google Patents
US7929110B2
US7929110B2 US11819446 US81944607A US7929110B2 US 7929110 B2 US7929110 B2 US 7929110B2 US 11819446 US11819446 US 11819446 US 81944607 A US81944607 A US 81944607A US 7929110 B2 US7929110 B2 US 7929110B2
US11819446
US20070252961A1 (en )
A lithographic projection apparatus that is arranged to project a pattern from a patterning device onto a substrate using a projection system has a liquid supply system arranged to supply a liquid to a space between the projection system and the substrate. The apparatus also includes a liquid collecting system having a liquid collection member having a liquid-permeable member through which a liquid is collected from a surface of an object opposite to the liquid collection member.
Also, with an exposure device that employs vacuum ultra-violet radiation (VUV) of wavelength 200 nm or lower, use of the catadioptric type optical system can be considered. Examples of the catadioptric type of optical system include Japanese Laid-Open Patent Application Publication No. 8-171054 and its counterpart U.S. Pat. No. 5,668,672, as well as Japanese Laid-Open Patent Application Publication No. 10-20195 and its counterpart U.S. Pat. No. 5,835,275. In these cases, the reflecting optical device can be a catadioptric optical system incorporating a beam splitter and concave mirror. Japanese Laid-Open Patent Application Publication No. 8-334695 and its counterpart U.S. Pat. No. 5,689,377 as well as Japanese Laid-Open Patent Application Publication No. 10-3039 and its counterpart U.S. Patent Application No. 08/873,605 (Application Date: Jun. 12, 1997) also use a reflecting-refracting type of optical system incorporating a concave mirror, etc., but without a beam splitter, and can also be employed with this invention. The disclosures of the above-mentioned U.S. patents and Japanese Laid-Open patent applications publications are incorporated herein by reference in their entireties.
1. A method of making a system for a liquid immersion lithography apparatus in which a wafer is exposed through a liquid filled in a space between an optical member and the wafer, the method comprising:
providing a liquid collection member configured to surround the optical member; and
attaching a liquid-permeable member to the liquid collection member through which the liquid is collected from a gap between the liquid-permeable member and a surface of the wafer opposite to the liquid-permeable member, the liquid-permeable member surrounding the optical member.
2. The method according to claim 1, wherein the liquid-permeable member includes a mesh.
3. The method according to claim 1, wherein the liquid-permeable member includes a wick structure.
4. The method according to claim 1, wherein the liquid-permeable member is liquid attracting.
5. The method according to claim 1, wherein the liquid collection member has an inner space, and wherein the liquid-permeable member has a first end facing the inner space, a second end opposite to the first end, and a plurality of passages between the first end and the second end in which the collected liquid flows from the second end toward the first end.
6. The method according to claim 5, wherein the liquid which exists in the gap between the second end of the liquid-permeable member and the surface of the wafer facing the second end is collected through the liquid-permeable member.
7. The method according to claim 5, further comprising providing a pressure adjusting system that controls a pressure in the inner space so that the collected liquid flows in the passages of the liquid-permeable member from the second end toward the first end.
8. The method according to claim 7, wherein the pressure adjusting system creates a pressure differential between the first end and the second end of the liquid-permeable member so that the collected liquid flows in the passages of the liquid-permeable member from the second end toward the first end.
9. The method according to claim 7, wherein the liquid collection member is movable relative to the optical member.
10. The method according to claim 1, wherein the liquid-collection member is attached to the optical member or attached to another part which is attached to a lens.
11. The method according to claim 10, wherein the liquid-collection member is flexibly attached to the optical member.
12. The method according to claim 1, wherein the liquid-permeable member is attached on a bottom surface of the liquid collection member.
13. The method according to claim 1, wherein the liquid-collection member is configured to be floating on the wafer.
14. The method according to claim 1, wherein the liquid moving away from the optical member is collected through the liquid-permeable member.
15. A method used in a liquid immersion lithography apparatus, the method comprising:
collecting the liquid, through a liquid-permeable member of a liquid collection member configured to surround the optical member, from a gap between the liquid-permeable member and a surface of the wafer opposite to the liquid-permeable member, the liquid-permeable member being configured to surround the optical member.
16. The method according to claim 15, wherein the liquid-permeable member includes a mesh.
17. The method according to claim 15, wherein the liquid-permeable member includes a wick structure.
18. The method according to claim 15, wherein the liquid collection member has an inner space, and wherein the liquid-permeable member has a first end facing the inner space, a second end opposite to the first end, and a plurality of passages between the first end and the second end in which the collected liquid flows from the second end toward the first end.
19. The method according to claim 18, wherein the liquid which exists in the gap between the second end of the liquid-permeable member and the surface of the wafer facing the second end is collected through the liquid-permeable member.
20. The method according to claim 18, further comprising adjusting a pressure in the inner space so that the collected liquid flows in the passages of the liquid-permeable member from the second end toward the first end.
21. The method according to claim 20, wherein a pressure differential is created between the first end and the second end of the liquid-permeable member.
22. The method according to claim 15, wherein the liquid-collection member is attached to the optical member or attached to another part which is attached to a lens.
23. The method according to claim 22, wherein the liquid-collection member is flexibly attached to the optical member.
24. The method according to claim 15, wherein the liquid-permeable member is attached on a bottom surface of the liquid collection member.
25. The method according to claim 15, wherein the liquid-collection member is configured to be floating on the wafer.
26. The method according to claim 15, wherein the liquid moving away from the optical member is collected through the liquid-permeable member.
US11819446 2003-04-10 2007-06-27 Environmental system including a transport region for an immersion lithography apparatus Active US7929110B2 (en)
US48503303 true 2003-07-02 2003-07-02
PCT/US2004/009994 WO2004092833A3 (en) 2003-04-10 2004-04-01 Environmental system including a transport region for an immersion lithography apparatus
US11236713 US7251017B2 (en) 2003-04-10 2005-09-28 Environmental system including a transport region for an immersion lithography apparatus
US11819446 US7929110B2 (en) 2003-04-10 2007-06-27 Environmental system including a transport region for an immersion lithography apparatus
US11236713 Division US7251017B2 (en) 2003-04-10 2005-09-28 Environmental system including a transport region for an immersion lithography apparatus
US20070252961A1 true US20070252961A1 (en) 2007-11-01
US7929110B2 true US7929110B2 (en) 2011-04-19
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US11236713 Active US7251017B2 (en) 2003-04-10 2005-09-28 Environmental system including a transport region for an immersion lithography apparatus
US11705001 Active US7345742B2 (en) 2003-04-10 2007-02-12 Environmental system including a transport region for an immersion lithography apparatus
US11819446 Active US7929110B2 (en) 2003-04-10 2007-06-27 Environmental system including a transport region for an immersion lithography apparatus
US11819447 Active US7929111B2 (en) 2003-04-10 2007-06-27 Environmental system including a transport region for an immersion lithography apparatus
US11819689 Active US7969552B2 (en) 2003-04-10 2007-06-28 Environmental system including a transport region for an immersion lithography apparatus
US11819691 Active US7965376B2 (en) 2003-04-10 2007-06-28 Environmental system including a transport region for an immersion lithography apparatus
US13067464 Active 2024-09-24 US8830443B2 (en) 2003-04-10 2011-06-02 Environmental system including a transport region for an immersion lithography apparatus
US14463066 Active US9244363B2 (en) 2003-04-10 2014-08-19 Environmental system including a transport region for an immersion lithography apparatus
US14955968 Active US9632427B2 (en) 2003-04-10 2015-12-01 Environmental system including a transport region for an immersion lithography apparatus
US15486419 Pending US20170219940A1 (en) 2003-04-10 2017-04-13 Environmental system including a transport region for an immersion lithography apparatus
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KR (9) KR20170064003A (en)
CN (1) CN101813892B (en)
EP (2) EP3062152B1 (en)
WO (1) WO2004092833A3 (en)
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