JP2005535936A - エッチングプロセスにおいてフォトレジストを硬化させるための方法および組成 - Google Patents
エッチングプロセスにおいてフォトレジストを硬化させるための方法および組成 Download PDFInfo
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- JP2005535936A JP2005535936A JP2004529231A JP2004529231A JP2005535936A JP 2005535936 A JP2005535936 A JP 2005535936A JP 2004529231 A JP2004529231 A JP 2004529231A JP 2004529231 A JP2004529231 A JP 2004529231A JP 2005535936 A JP2005535936 A JP 2005535936A
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- 229920002120 photoresistant polymer Polymers 0.000 title claims abstract description 103
- 238000000034 method Methods 0.000 title claims abstract description 79
- 238000005530 etching Methods 0.000 title claims abstract description 61
- 239000000203 mixture Substances 0.000 title claims abstract description 19
- 230000008569 process Effects 0.000 title abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 100
- 229910052794 bromium Inorganic materials 0.000 claims abstract description 27
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims abstract description 26
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000012545 processing Methods 0.000 claims abstract description 13
- CPELXLSAUQHCOX-UHFFFAOYSA-N Hydrogen bromide Chemical compound Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 claims description 32
- 229910000042 hydrogen bromide Inorganic materials 0.000 claims description 15
- 229910052731 fluorine Inorganic materials 0.000 claims description 9
- 239000011737 fluorine Substances 0.000 claims description 9
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 8
- 150000002500 ions Chemical class 0.000 claims description 3
- 238000001723 curing Methods 0.000 abstract 5
- 235000012431 wafers Nutrition 0.000 description 48
- 210000002381 plasma Anatomy 0.000 description 42
- 239000007789 gas Substances 0.000 description 21
- 238000004519 manufacturing process Methods 0.000 description 9
- 229910052581 Si3N4 Inorganic materials 0.000 description 8
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 8
- 229920005591 polysilicon Polymers 0.000 description 8
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 8
- -1 alicyclic methacrylates Chemical class 0.000 description 6
- 229930195733 hydrocarbon Natural products 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- 229910052721 tungsten Inorganic materials 0.000 description 5
- 239000010937 tungsten Substances 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 150000002430 hydrocarbons Chemical class 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 238000005513 bias potential Methods 0.000 description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 239000006117 anti-reflective coating Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000000059 patterning Methods 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 238000001020 plasma etching Methods 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 229910003691 SiBr Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- ISQINHMJILFLAQ-UHFFFAOYSA-N argon hydrofluoride Chemical compound F.[Ar] ISQINHMJILFLAQ-UHFFFAOYSA-N 0.000 description 1
- IVHJCRXBQPGLOV-UHFFFAOYSA-N azanylidynetungsten Chemical compound [W]#N IVHJCRXBQPGLOV-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31144—Etching the insulating layers by chemical or physical means using masks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/027—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34
- H01L21/0271—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising organic layers
- H01L21/0273—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising organic layers characterised by the treatment of photoresist layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/308—Chemical or electrical treatment, e.g. electrolytic etching using masks
- H01L21/3083—Chemical or electrical treatment, e.g. electrolytic etching using masks characterised by their size, orientation, disposition, behaviour, shape, in horizontal or vertical plane
- H01L21/3086—Chemical or electrical treatment, e.g. electrolytic etching using masks characterised by their size, orientation, disposition, behaviour, shape, in horizontal or vertical plane characterised by the process involved to create the mask, e.g. lift-off masks, sidewalls, or to modify the mask, e.g. pre-treatment, post-treatment
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
- H01L21/321—After treatment
- H01L21/3213—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer
- H01L21/32139—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer using masks
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Drying Of Semiconductors (AREA)
Abstract
【解決手段】 フォトレジスト材料のパターンを上部に有するウエハをエッチングする方法が開示される。このエッチング方法は、臭素を含むプラズマによってフォトレジスト材料を硬化させる工程を含む。また、ウエハ上のフォトレジスト材料のパターンを硬化させるための方法が開示される。その硬化方法は、臭素を含むプラズマを準備する工程と、ウエハのフォトレジスト材料より下にある一層が終端までエッチングされないように、そのプラズマにフォトレジスト材料を晒す工程とを含む。高密度プラズマ処理装置においてウエハ上のフォトレジスト材料を硬化させるためのプラズマの混合物は、臭素を含む。
Description
102…193nmフォトレジスト材料
104…反射防止(ARC)層
106…ハードマスク層
108…タングステン層
110…窒化タングステン層
112…ポリシリコン材料の層
114…ゲート酸化物の薄層
116…シリコン基板
120…ウエハ
122…193nmフォトレジスト特徴
124…ARC層
126…ポリシリコン材料の層
128…ゲート酸化物の薄層
130…シリコン基板
Claims (16)
- フォトレジスト材料のパターンを上部に有するウエハをエッチングする方法であって、
エッチングに先立って、臭素を含むプラズマによって前記フォトレジスト材料を硬化させる工程と、
前記ウエハのメインエッチングを行う工程と
を備える方法。 - 請求項1に記載の方法であって、
前記臭素を含むプラズマは高密度プラズマである、方法。 - 請求項1に記載の方法であって、
前記臭素を含むプラズマによって前記フォトレジスト材料を硬化させる工程は、前記ウエハの前記フォトレジスト材料の層の下にある一層の全部を除去しない、方法。 - 請求項1に記載の方法であって、
前記硬化工程中のバイアス電圧は、前記ウエハの前記フォトレジストの下にある一層を終端までエッチングするのに十分な大きさではない、方法。 - 請求項1に記載の方法であって、
前記硬化工程中に除去される前記フォトレジスト材料は、ほぼ600Å以下である、方法。 - 請求項5に記載の方法であって、
前記硬化工程中に除去される前記フォトレジスト材料は、ほぼ300Å以下である、方法。 - 請求項1に記載の方法であって、
前記硬化工程中に除去される前記ウエハの前記フォトレジスト材料の下の一層の厚さは、前記層の厚さの85%以下である、方法。 - 請求項1に記載の方法であって、
前記硬化工程中に除去される前記ウエハの前記フォトレジスト材料の下の一層の厚さは、前記層の厚さの60%以下である、方法。 - 請求項1に記載の方法であって、
前記プラズマは、主として臭化水素を含む、方法。 - 請求項1に記載の方法であって、
前記フォトレジスト材料は、193nmフォトレジスト材料および248nmフォトレジスト材料からなる群より選択される、方法。 - 請求項1に記載の方法であって、
前記プラズマは、少なくともおよそ1×1010イオン/cm3のプラズマ密度を有する、方法。 - ウエハ上のフォトレジスト材料のパターンを硬化させるための方法であって、
臭素を含むプラズマを準備する工程と、
前記ウエハの前記フォトレジスト材料の下の一層が終端までエッチングされないように前記プラズマに前記フォトレジスト材料を晒す工程と
を備える方法。 - 請求項12に記載の方法であって、
前記層はARC層である、方法。 - プラズマ処理装置において、ウエハ上のフォトレジスト材料を硬化させるための高密度プラズマの混合物であって、
臭素を含む、混合物。 - フォトレジスト材料のパターンを上部に有するウエハをエッチングする方法であって、
前記ウエハの前記フォトレジスト材料より下の層をエッチングするための活性プラズマを生成するエッチャント混合物を準備する工程と、
前記フォトレジスト材料を硬化させるための活性臭素を含むプラズマを準備する工程と、
を備える方法。 - フォトレジスト材料のパターンを上部に有するウエハをエッチングするための混合物であって、
炭化フッ素と、臭素含有分子と、を備える混合物。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/219,995 US6923920B2 (en) | 2002-08-14 | 2002-08-14 | Method and compositions for hardening photoresist in etching processes |
PCT/US2003/024137 WO2004017390A1 (en) | 2002-08-14 | 2003-07-31 | Method and compositions for hardening photoresist in etching processes |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005535936A true JP2005535936A (ja) | 2005-11-24 |
JP2005535936A5 JP2005535936A5 (ja) | 2006-11-24 |
Family
ID=31886605
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004529231A Pending JP2005535936A (ja) | 2002-08-14 | 2003-07-31 | エッチングプロセスにおいてフォトレジストを硬化させるための方法および組成 |
Country Status (8)
Country | Link |
---|---|
US (2) | US6923920B2 (ja) |
EP (1) | EP1529308A1 (ja) |
JP (1) | JP2005535936A (ja) |
KR (1) | KR100990064B1 (ja) |
CN (1) | CN100423191C (ja) |
AU (1) | AU2003257999A1 (ja) |
TW (1) | TWI307121B (ja) |
WO (1) | WO2004017390A1 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010062363A (ja) * | 2008-09-04 | 2010-03-18 | Tokyo Electron Ltd | プラズマ処理方法およびレジストパターンの改質方法 |
JP2011166039A (ja) * | 2010-02-15 | 2011-08-25 | Dainippon Printing Co Ltd | 反射型マスクの製造方法 |
US8092703B2 (en) | 2006-06-12 | 2012-01-10 | Renesas Electronics Corporation | Manufacturing method of semiconductor device |
JP2014096500A (ja) * | 2012-11-09 | 2014-05-22 | Tokyo Electron Ltd | プラズマエッチング方法及びプラズマエッチング装置 |
JP2019049747A (ja) * | 2014-07-08 | 2019-03-28 | 東京エレクトロン株式会社 | ネガティブトーン現像剤相溶性フォトレジスト組成物及び使用方法 |
Families Citing this family (14)
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US6962878B2 (en) * | 2003-04-17 | 2005-11-08 | Taiwan Semiconductor Manufacturing Company, Ltd. | Method to reduce photoresist mask line dimensions |
US7005386B1 (en) * | 2003-09-05 | 2006-02-28 | Advanced Micro Devices, Inc. | Method for reducing resist height erosion in a gate etch process |
JP2005109068A (ja) * | 2003-09-30 | 2005-04-21 | Sanyo Electric Co Ltd | 半導体装置およびその製造方法 |
US20050147926A1 (en) * | 2004-01-02 | 2005-07-07 | Nanya Technology Corporation | Method for processing photoresist |
US20060154184A1 (en) * | 2005-01-12 | 2006-07-13 | International Business Machines Corporation | Method for reducing feature line edge roughness |
KR100674967B1 (ko) * | 2005-04-06 | 2007-01-26 | 삼성전자주식회사 | 더블 패터닝 방식을 이용한 미세 피치를 갖는 포토레지스트패턴 형성방법 |
US7390753B2 (en) * | 2005-11-14 | 2008-06-24 | Taiwan Semiconductor Mfg. Co., Ltd. | In-situ plasma treatment of advanced resists in fine pattern definition |
US8298958B2 (en) * | 2008-07-17 | 2012-10-30 | Lam Research Corporation | Organic line width roughness with H2 plasma treatment |
KR101348655B1 (ko) * | 2010-03-24 | 2014-01-08 | 한국전자통신연구원 | 미세유체 제어 장치 및 그 제조 방법 |
JP5142236B1 (ja) * | 2011-11-15 | 2013-02-13 | エルシード株式会社 | エッチング方法 |
US9105587B2 (en) * | 2012-11-08 | 2015-08-11 | Micron Technology, Inc. | Methods of forming semiconductor structures with sulfur dioxide etch chemistries |
CN103021925A (zh) * | 2012-12-21 | 2013-04-03 | 上海宏力半导体制造有限公司 | Sti的制作工艺、沟槽的刻蚀方法和光刻胶的处理方法 |
JP6736314B2 (ja) * | 2015-06-30 | 2020-08-05 | エイブリック株式会社 | 半導体装置の製造方法 |
CN107564803B (zh) * | 2017-08-31 | 2020-04-17 | 京东方科技集团股份有限公司 | 刻蚀方法、工艺设备、薄膜晶体管器件及其制造方法 |
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-
2002
- 2002-08-14 US US10/219,995 patent/US6923920B2/en not_active Expired - Lifetime
-
2003
- 2003-07-31 AU AU2003257999A patent/AU2003257999A1/en not_active Abandoned
- 2003-07-31 KR KR1020057002028A patent/KR100990064B1/ko not_active IP Right Cessation
- 2003-07-31 EP EP03788310A patent/EP1529308A1/en not_active Withdrawn
- 2003-07-31 WO PCT/US2003/024137 patent/WO2004017390A1/en active Application Filing
- 2003-07-31 JP JP2004529231A patent/JP2005535936A/ja active Pending
- 2003-07-31 CN CNB038191784A patent/CN100423191C/zh not_active Expired - Fee Related
- 2003-08-07 TW TW092121695A patent/TWI307121B/zh not_active IP Right Cessation
-
2005
- 2005-06-20 US US11/157,782 patent/US20050230352A1/en not_active Abandoned
Cited By (7)
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US8092703B2 (en) | 2006-06-12 | 2012-01-10 | Renesas Electronics Corporation | Manufacturing method of semiconductor device |
JP2010062363A (ja) * | 2008-09-04 | 2010-03-18 | Tokyo Electron Ltd | プラズマ処理方法およびレジストパターンの改質方法 |
US8394720B2 (en) | 2008-09-04 | 2013-03-12 | Tokyo Electron Limited | Plasma processing method and resist pattern modifying method |
KR101439562B1 (ko) | 2008-09-04 | 2014-09-11 | 도쿄엘렉트론가부시키가이샤 | 플라즈마 처리 방법 및 레지스트 패턴의 개질 방법 |
JP2011166039A (ja) * | 2010-02-15 | 2011-08-25 | Dainippon Printing Co Ltd | 反射型マスクの製造方法 |
JP2014096500A (ja) * | 2012-11-09 | 2014-05-22 | Tokyo Electron Ltd | プラズマエッチング方法及びプラズマエッチング装置 |
JP2019049747A (ja) * | 2014-07-08 | 2019-03-28 | 東京エレクトロン株式会社 | ネガティブトーン現像剤相溶性フォトレジスト組成物及び使用方法 |
Also Published As
Publication number | Publication date |
---|---|
US20050230352A1 (en) | 2005-10-20 |
US20040079727A1 (en) | 2004-04-29 |
AU2003257999A1 (en) | 2004-03-03 |
TWI307121B (en) | 2009-03-01 |
EP1529308A1 (en) | 2005-05-11 |
KR100990064B1 (ko) | 2010-10-26 |
CN1689142A (zh) | 2005-10-26 |
TW200407998A (en) | 2004-05-16 |
US6923920B2 (en) | 2005-08-02 |
CN100423191C (zh) | 2008-10-01 |
WO2004017390A1 (en) | 2004-02-26 |
KR20050047091A (ko) | 2005-05-19 |
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