KR100852985B1 - 극자외선 리쏘그래피용 자가세정 광학장치 - Google Patents
극자외선 리쏘그래피용 자가세정 광학장치 Download PDFInfo
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- KR100852985B1 KR100852985B1 KR1020037008958A KR20037008958A KR100852985B1 KR 100852985 B1 KR100852985 B1 KR 100852985B1 KR 1020037008958 A KR1020037008958 A KR 1020037008958A KR 20037008958 A KR20037008958 A KR 20037008958A KR 100852985 B1 KR100852985 B1 KR 100852985B1
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- extreme ultraviolet
- reflective optics
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- 238000004140 cleaning Methods 0.000 title claims abstract description 6
- 238000001900 extreme ultraviolet lithography Methods 0.000 title abstract description 11
- 229910052751 metal Inorganic materials 0.000 claims abstract description 38
- 239000002184 metal Substances 0.000 claims abstract description 38
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 31
- 230000005855 radiation Effects 0.000 claims abstract description 22
- 230000003647 oxidation Effects 0.000 claims abstract description 21
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 21
- 229910052707 ruthenium Inorganic materials 0.000 claims abstract description 6
- 229910052737 gold Inorganic materials 0.000 claims abstract description 5
- 229910052741 iridium Inorganic materials 0.000 claims abstract description 5
- 229910052763 palladium Inorganic materials 0.000 claims abstract description 5
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 5
- 229910052703 rhodium Inorganic materials 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 22
- 239000000356 contaminant Substances 0.000 claims description 13
- 230000003287 optical effect Effects 0.000 claims description 13
- 239000000376 reactant Substances 0.000 claims description 13
- 229910052760 oxygen Inorganic materials 0.000 claims description 12
- 239000007789 gas Substances 0.000 claims description 11
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- 229910052710 silicon Inorganic materials 0.000 claims description 8
- 239000010703 silicon Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 6
- 239000001257 hydrogen Substances 0.000 claims description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 5
- 229910052750 molybdenum Inorganic materials 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 2
- 238000001704 evaporation Methods 0.000 claims description 2
- 238000001755 magnetron sputter deposition Methods 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims 3
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical group [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims 3
- 239000011733 molybdenum Substances 0.000 claims 3
- 125000004429 atom Chemical group 0.000 claims 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 2
- 239000010931 gold Substances 0.000 claims 2
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims 2
- 239000000203 mixture Substances 0.000 claims 2
- 239000010948 rhodium Substances 0.000 claims 2
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical group [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims 2
- 239000010409 thin film Substances 0.000 claims 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical group [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims 1
- 239000003570 air Substances 0.000 claims 1
- 239000011651 chromium Substances 0.000 claims 1
- 150000002431 hydrogen Chemical class 0.000 claims 1
- 239000010936 titanium Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 6
- 239000010410 layer Substances 0.000 description 48
- 239000004215 Carbon black (E152) Substances 0.000 description 7
- 229930195733 hydrocarbon Natural products 0.000 description 7
- 150000002430 hydrocarbons Chemical class 0.000 description 7
- 239000003642 reactive oxygen metabolite Substances 0.000 description 6
- 238000010494 dissociation reaction Methods 0.000 description 5
- YZCKVEUIGOORGS-UHFFFAOYSA-N Hydrogen atom Chemical compound [H] YZCKVEUIGOORGS-UHFFFAOYSA-N 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 4
- 230000005593 dissociations Effects 0.000 description 4
- 238000002310 reflectometry Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000011109 contamination Methods 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910001092 metal group alloy Inorganic materials 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 229920001084 poly(chloroprene) Polymers 0.000 description 2
- -1 CO and CO 2 Chemical class 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001722 carbon compounds Chemical class 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000003421 catalytic decomposition reaction Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000018459 dissociative disease Diseases 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000006864 oxidative decomposition reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B17/00—Methods preventing fouling
- B08B17/02—Preventing deposition of fouling or of dust
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F1/00—Originals for photomechanical production of textured or patterned surfaces, e.g., masks, photo-masks, reticles; Mask blanks or pellicles therefor; Containers specially adapted therefor; Preparation thereof
- G03F1/22—Masks or mask blanks for imaging by radiation of 100nm or shorter wavelength, e.g. X-ray masks, extreme ultraviolet [EUV] masks; Preparation thereof
- G03F1/24—Reflection masks; Preparation thereof
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/708—Construction of apparatus, e.g. environment aspects, hygiene aspects or materials
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
- G21K1/00—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
- G21K1/06—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diffraction, refraction or reflection, e.g. monochromators
- G21K1/062—Devices having a multilayer structure
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
- G21K2201/00—Arrangements for handling radiation or particles
- G21K2201/06—Arrangements for handling radiation or particles using diffractive, refractive or reflecting elements
- G21K2201/067—Construction details
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Nanotechnology (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Epidemiology (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Theoretical Computer Science (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Mathematical Physics (AREA)
- Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Public Health (AREA)
- Optics & Photonics (AREA)
- Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
- Optical Elements Other Than Lenses (AREA)
- Detergent Compositions (AREA)
- Cleaning In General (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (18)
- 자가세정 반사형 광학장치로서,반사형 광학장치의 표면상에 배치되고, 5 Å 내지 400 Å의 두께를 갖고, 산화로부터 반사형 광학장치 표면을 보호하고, 하부에 배치되는 반사형 광학장치 표면에 90% 이상의 입사 방사선을 투과시키는 금속 캐핑층;입사 방사선; 및10-8 Torr 이상의 압력으로 제공되고, 산소, 수증기, 공기, 수소 또는 이들의 혼합물인 하나 이상의 기체 반응물을 포함하는 반사형 광학장치.
- 제 1항에 있어서,상기 입사 방사선은 극자외선인 것을 특징으로 하는 반사형 광학장치.
- 제 1항에 있어서,상기 반사형 광학장치는 다층 미러를 포함하는 것을 특징으로 하는 반사형 광학장치.
- 제 3항에 있어서,상기 반사형 광학장치는 복수의 층들을 포함하고, 상기 각 층은 제1 몰리브덴층 및 제2 실리콘층을 포함하는 것을 특징으로 하는 반사형 광학장치.
- 제 2항에 있어서,상기 금속 캡핑층은 98% 초과의 입사 극자외선을 투과시키는 것을 특징으로 하는 반사형 광학장치.
- 제 5항에 있어서,상기 금속 캡핑층은 루테늄인 것을 특징으로 하는 반사형 광학장치.
- 제 1항에 있어서,상기 금속 캡핑층은 로듐, 백금, 이리듐, 팔라듐, 금 또는 그들의 조합인 것을 특징으로 하는 반사형 광학장치.
- 제 1항에 있어서,상기 반사형 광학장치 표면 및 상기 금속 캐핑층 사이에 배치되는 박막 금속층을 추가로 포함하는 것을 특징으로 하는 반사형 광학장치.
- 제 8항에 있어서,상기 박막 금속층은 크롬, 몰리브덴 또는 티타늄인 것을 특징으로 하는 반사형 광학장치.
- 제 2항에 있어서,상기 금속 캐핑층은 루테늄이고, 상기 입사 방사선과 함께 상기 하나 이상의 기체 반응물과 반응하여 상기 금속 캐핑층 표면에 증착된 탄소 오염물을 제거하고 연속적으로 상기 금속 캐핑층으로부터 상기 탄소 오염물을 세정하는 원자를 생성하는 것을 특징으로 하는 반사형 광학장치.
- 극자외선 응용에 사용되는 반사형 광학장치의 표면을 탄소 오염물이 존재하지 않도록 유지하는 방법으로서,반사형 광학장치를 제공하는 단계;5 Å 내지 400 Å의 두께를 갖고, 산화로부터 보호될 수 있고, 90% 이상의 입사 극자외선을 투과시킬 수 있는 금속 캐핑층으로 상기 반사형 광학장치 표면을 코팅하는 단계;산소, 수증기, 공기, 수소 또는 이들의 혼합물이고 10-8 Torr 이상의 압력인 반응성 기체를 공급하는 단계; 및상기 코팅된 반사형 광학장치 및 반응성 가스를 극자외선에 노출시키는 단계를 포함하는 방법.
- 제 11항에 있어서,상기 코팅 단계는 마그네트론 스퍼터링(magnetron sputtering) 또는 전자빔 증착(e-beam evaporation)에 의해 수행되는 것을 특징으로 하는 방법.
- 제 11항에 있어서,상기 반사형 광학장치는 다층 미러를 포함하는 것을 특징으로 하는 방법.
- 제 13항에 있어서,상기 반사형 광학장치는 복수의 층들을 포함하고, 상기 각 층은 제1 몰리브덴층 및 제2 실리콘층을 포함하는 것을 특징으로 하는 방법.
- 제 11항에 있어서,상기 금속 캡핑층은 98% 초과의 입사 극자외선을 투과시키는 것을 특징으로 하는 방법.
- 제 15항에 있어서,상기 금속 캡핑층은 루테늄인 것을 특징으로 하는 방법.
- 제 11항에 있어서,상기 금속 캡핑층은 로듐, 백금, 이리듐, 팔라듐, 금 또는 그들의 조합인 것을 특징으로 하는 방법.
- 제 16항에 있어서,상기 극자외선과 함께 상기 금속 캐핑층은 상기 하나 이상의 반응성 기체와 반응하여 상기 금속 캐핑층 표면에 증착된 탄소 오염물을 제거하고 연속적으로 상기 금속 캐핑층으로부터 상기 탄소 오염물을 세정하는 원자를 생성하는 것을 특징으로 하는 방법.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/754,869 | 2001-01-03 | ||
US09/754,869 US6664554B2 (en) | 2001-01-03 | 2001-01-03 | Self-cleaning optic for extreme ultraviolet lithography |
PCT/US2001/044707 WO2002054115A2 (en) | 2001-01-03 | 2001-12-12 | A self-cleaning optic for extreme ultraviolet lithography |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030072588A KR20030072588A (ko) | 2003-09-15 |
KR100852985B1 true KR100852985B1 (ko) | 2008-08-19 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020037008958A KR100852985B1 (ko) | 2001-01-03 | 2001-12-12 | 극자외선 리쏘그래피용 자가세정 광학장치 |
Country Status (8)
Country | Link |
---|---|
US (1) | US6664554B2 (ko) |
EP (1) | EP1364231B1 (ko) |
JP (1) | JP4109112B2 (ko) |
KR (1) | KR100852985B1 (ko) |
AT (1) | ATE320611T1 (ko) |
AU (1) | AU2002239385A1 (ko) |
DE (2) | DE60118024T2 (ko) |
WO (1) | WO2002054115A2 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20160032777A (ko) * | 2014-09-16 | 2016-03-25 | 삼성디스플레이 주식회사 | 패턴 형성 방법 및 이를 이용한 와이어 그리드 편광 소자의 제조방법 |
KR20170141672A (ko) * | 2015-04-20 | 2017-12-26 | 칼 짜이스 에스엠테 게엠베하 | 특히 마이크로리소그래픽 투영 노광 장치용 미러 |
Families Citing this family (70)
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---|---|---|---|---|
US7261957B2 (en) * | 2000-03-31 | 2007-08-28 | Carl Zeiss Smt Ag | Multilayer system with protecting layer system and production method |
US20070281109A1 (en) * | 2000-03-31 | 2007-12-06 | Carl Zeiss Smt Ag | Multilayer system with protecting layer system and production method |
US20030064161A1 (en) * | 2001-06-06 | 2003-04-03 | Malinowski Michael E. | Method for reducing carbon contamination of multilayer mirrors |
US20030008148A1 (en) * | 2001-07-03 | 2003-01-09 | Sasa Bajt | Optimized capping layers for EUV multilayers |
ATE374425T1 (de) * | 2001-07-03 | 2007-10-15 | Euv Llc | Zweilagige schutzschicht |
US6772776B2 (en) * | 2001-09-18 | 2004-08-10 | Euv Llc | Apparatus for in situ cleaning of carbon contaminated surfaces |
DE10200026A1 (de) | 2002-01-02 | 2003-07-17 | Philips Intellectual Property | Gekühlte Hochdruckgasentladungslampe |
US6759141B2 (en) * | 2002-04-30 | 2004-07-06 | The Regents Of The University Of California | Oxidation preventative capping layer for deep-ultra-violet and soft x-ray multilayers |
US6968850B2 (en) * | 2002-07-15 | 2005-11-29 | Intel Corporation | In-situ cleaning of light source collector optics |
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Also Published As
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EP1364231A2 (en) | 2003-11-26 |
US20020084425A1 (en) | 2002-07-04 |
ATE320611T1 (de) | 2006-04-15 |
WO2002054115A3 (en) | 2003-09-25 |
US6664554B2 (en) | 2003-12-16 |
AU2002239385A1 (en) | 2002-07-16 |
JP2004517484A (ja) | 2004-06-10 |
EP1364231B1 (en) | 2006-03-15 |
DE60118024D1 (de) | 2006-05-11 |
DE01987139T1 (de) | 2004-05-19 |
JP4109112B2 (ja) | 2008-07-02 |
KR20030072588A (ko) | 2003-09-15 |
DE60118024T2 (de) | 2006-11-02 |
WO2002054115A2 (en) | 2002-07-11 |
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