JP2009543344A - 液体メニスカスによるポストエッチウエハ表面洗浄 - Google Patents
液体メニスカスによるポストエッチウエハ表面洗浄 Download PDFInfo
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- 238000004140 cleaning Methods 0.000 title claims abstract description 154
- 230000005499 meniscus Effects 0.000 title description 6
- 239000007788 liquid Substances 0.000 title 1
- 238000000034 method Methods 0.000 claims abstract description 79
- 239000007800 oxidant agent Substances 0.000 claims abstract description 64
- 230000001590 oxidative effect Effects 0.000 claims abstract description 52
- 239000000356 contaminant Substances 0.000 claims abstract description 50
- 239000004065 semiconductor Substances 0.000 claims abstract description 25
- 239000000243 solution Substances 0.000 claims description 143
- 230000008569 process Effects 0.000 claims description 22
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 12
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 8
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 8
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 7
- 239000003929 acidic solution Substances 0.000 claims description 7
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 5
- 239000008367 deionised water Substances 0.000 claims description 5
- 229910021641 deionized water Inorganic materials 0.000 claims description 5
- 229910017604 nitric acid Inorganic materials 0.000 claims description 5
- 235000006408 oxalic acid Nutrition 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 description 16
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- 238000012546 transfer Methods 0.000 description 7
- 229920002120 photoresistant polymer Polymers 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 238000001020 plasma etching Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 230000002378 acidificating effect Effects 0.000 description 4
- 238000011109 contamination Methods 0.000 description 4
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- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 239000013043 chemical agent Substances 0.000 description 2
- 239000012459 cleaning agent Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000003599 detergent Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
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- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
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- 239000010703 silicon Substances 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000004380 ashing Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
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- 230000007246 mechanism Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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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
- H01L21/302—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
- H01L21/304—Mechanical treatment, e.g. grinding, polishing, cutting
-
- 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
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67017—Apparatus for fluid treatment
- H01L21/67028—Apparatus for fluid treatment for cleaning followed by drying, rinsing, stripping, blasting or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
-
- 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
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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
- H01L21/302—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
-
- 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
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67017—Apparatus for fluid treatment
- H01L21/67028—Apparatus for fluid treatment for cleaning followed by drying, rinsing, stripping, blasting or the like
- H01L21/67034—Apparatus for fluid treatment for cleaning followed by drying, rinsing, stripping, blasting or the like for drying
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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
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67017—Apparatus for fluid treatment
- H01L21/67028—Apparatus for fluid treatment for cleaning followed by drying, rinsing, stripping, blasting or the like
- H01L21/6704—Apparatus for fluid treatment for cleaning followed by drying, rinsing, stripping, blasting or the like for wet cleaning or washing
- H01L21/67051—Apparatus for fluid treatment for cleaning followed by drying, rinsing, stripping, blasting or the like for wet cleaning or washing using mainly spraying means, e.g. nozzles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S134/00—Cleaning and liquid contact with solids
- Y10S134/902—Semiconductor wafer
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- Condensed Matter Physics & Semiconductors (AREA)
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- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Cleaning Or Drying Semiconductors (AREA)
- Drying Of Semiconductors (AREA)
Abstract
【選択図】図3B
Description
本発明は、添付の図面に関連させた以下の詳細な説明から容易に理解される。類似の参照符号は、類似の構造要素を指すものとする。
Claims (20)
- 半導体ウエハを洗浄するための方法であって、
複数のソース入口および複数のソース出口を含む近接ヘッドを提供する工程と、
前記近接ヘッドをウエハ表面にごく接近して定める工程と、
前記複数のソース入口を通じて前記ウエハ表面に酸化剤溶液を適用する工程であって、前記酸化剤溶液は、前記ウエハ表面上の1つまたは複数の汚染物質種上に酸化層を形成する、工程と、
前記複数のソース出口を通じて前記ウエハ表面から前記酸化剤溶液を除去する工程と、
脱イオン水によるすすぎ動作を実施する工程と、
前記複数のソース入口を通じて前記ウエハ表面に洗浄溶液を適用する工程と、
前記複数のソース出口を通じて前記ウエハ表面から前記洗浄溶液を除去する工程であって、前記洗浄溶液は、前記酸化層を前記ウエハ表面上の前記1つまたは複数の汚染物質種とともに実質的に除去するように定められる、工程と、
を備える方法。 - 請求項1に記載の方法であって、
前記酸化剤溶液は、重量にして約0.01%から約30%までの濃度範囲の過酸化水素である、方法。 - 請求項1に記載の方法であって、
前記酸化剤溶液は、約1ppmから飽和までの範囲のオゾン濃度で水に溶解したオゾンである、方法。 - 請求項1に記載の方法であって、
前記酸化剤溶液は、重量にして約5%から約90%までの濃度範囲の硝酸である、方法。 - 請求項1に記載の方法であって、
前記洗浄溶液は、重量にして約0.01%から約49%までの濃度範囲のフッ化水素酸、ならびに重量にして約0.01%から約50%までの濃度範囲の酢酸、硫酸、およびシュウ酸の、少なくとも1つである、方法。 - 半導体ウエハを洗浄するための方法であって、
ウエハ表面上の1つまたは複数の汚染物質種を除去するために、前記ウエハ表面に第1の洗浄溶液を適用する工程と、
前記第1の洗浄溶液を前記1つまたは複数の汚染物質種の少なくとも一部とともに前記ウエハ表面から除去する工程と、
前記ウエハ表面に酸化剤溶液を適用する工程であって、前記酸化剤溶液は、残る汚染物質種上に酸化層を形成する、工程と、
前記酸化剤溶液を前記ウエハ表面から除去する工程と、
前記ウエハ表面に第2の洗浄溶液を適用する工程と、
前記第2の洗浄溶液を前記ウエハ表面から除去する工程であって、前記洗浄溶液は、前記酸化層を前記残る汚染物質種とともに実質的に除去するように構成される、工程と、
を備える方法。 - 請求項6に記載の方法であって、さらに、
前記ウエハの表面から前記酸化剤溶液を除去した後、なおかつ前記ウエハ表面に前記第2の洗浄溶液が適用される前に、脱イオン水によるすすぎ動作を実施する工程を備える方法。 - 請求項6に記載の方法であって、
前記酸化剤溶液は、重量にして約0.01%から約30%までの濃度範囲の過酸化水素である、方法。 - 請求項6に記載の方法であって、
前記酸化剤溶液は、約1ppmから飽和までの範囲のオゾン濃度で水に溶解したオゾンである、方法。 - 請求項6に記載の方法であって、
前記酸化剤溶液は、重量にして約5%から約90%までの濃度範囲の硝酸である、方法。 - 請求項6に記載の方法であって、
前記第1の洗浄溶液および前記第2の洗浄溶液は、それぞれ、重量にして約0.01%から約49%までの濃度範囲のフッ化水素酸、ならびに重量にして約0.01%から約50%までの濃度範囲の酢酸、硫酸、およびシュウ酸の、少なくとも1つである、方法。 - 請求項6に記載の方法であって、
前記第1の洗浄溶液は酸性溶液であり、前記第2の洗浄溶液は塩基溶液である、方法。 - 請求項6に記載の方法であって、
前記第1の洗浄溶液は塩基溶液であり、前記第2の洗浄溶液は酸性溶液である、方法。 - 半導体ウエハを洗浄するための方法であって、
複数のソース入口および複数のソース出口を含む近接ヘッドを提供する工程と、
前記近接ヘッドをウエハ表面にごく接近して定める工程と、
前記ウエハ表面上の1つまたは複数の汚染物質種を除去するために、前記複数のソース入口を通じて前記ウエハ表面に第1の洗浄溶液を適用する工程と、
前記複数のソース出口を通じて前記第1の洗浄溶液を前記1つまたは複数の汚染物質種の少なくとも一部とともに前記ウエハ表面から除去する工程と、
前記第1の洗浄溶液を前記1つまたは複数の汚染物質種の少なくとも一部とともに除去した後に、脱イオン水によるすすぎ動作を実施する工程と、
前記複数のソース入口を通じて前記ウエハ表面に酸化剤溶液を適用する工程であって、前記酸化剤溶液は、残る汚染物質種上に酸化層を形成する、工程と、
前記複数のソース出口を通じて前記ウエハ表面から前記酸化剤溶液を除去する工程と、
前記ウエハ表面から前記酸化剤溶液を除去した後に、脱イオン水を実施する工程と、
前記複数のソース入口を通じて前記ウエハ表面に第2の洗浄溶液を適用する工程と、
前記複数のソース出口を通じて前記ウエハ表面から前記第2の洗浄溶液を除去する工程であって、前記第2の洗浄溶液は、前記酸化層を前記残る汚染物質種とともに実質的に除去するように構成される、工程と、
を備える方法。 - 請求項14に記載の方法であって、
前記酸化剤溶液は、重量にして約0.01%から約30%までの濃度範囲の過酸化水素である、方法。 - 請求項14に記載の方法であって、
前記酸化剤溶液は、約1ppmから飽和までの範囲のオゾン濃度で水に溶解したオゾンである、方法。 - 請求項14に記載の方法であって、
前記酸化剤溶液は、重量にして約5%から約90%までの濃度範囲の硝酸である、方法。 - 請求項14に記載の方法であって、
前記第1の洗浄溶液および前記第2の洗浄溶液は、それぞれ、重量にして約0.01%から約50%までの濃度範囲のフッ化水素酸、酢酸、硫酸、およびシュウ酸の、少なくとも1つである、方法。 - 請求項14に記載の方法であって、
前記第1の洗浄溶液は酸性溶液であり、前記第2の洗浄溶液は塩基溶液である、方法。 - 請求項14に記載の方法であって、
前記第1の洗浄溶液は塩基溶液であり、前記第2の洗浄溶液は酸性溶液である、方法。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/477,299 US7597765B2 (en) | 2002-09-30 | 2006-06-28 | Post etch wafer surface cleaning with liquid meniscus |
| PCT/US2007/015249 WO2008002669A2 (en) | 2006-06-28 | 2007-06-28 | Post etch wafer surface cleaning with liquid meniscus |
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| Publication Number | Publication Date |
|---|---|
| JP2009543344A true JP2009543344A (ja) | 2009-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2009518316A Pending JP2009543344A (ja) | 2006-06-28 | 2007-06-28 | 液体メニスカスによるポストエッチウエハ表面洗浄 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7597765B2 (ja) |
| JP (1) | JP2009543344A (ja) |
| KR (1) | KR101376897B1 (ja) |
| CN (1) | CN101479831B (ja) |
| TW (1) | TWI362700B (ja) |
| WO (1) | WO2008002669A2 (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4755573B2 (ja) * | 2006-11-30 | 2011-08-24 | 東京応化工業株式会社 | 処理装置および処理方法、ならびに表面処理治具 |
| US20090211596A1 (en) * | 2007-07-11 | 2009-08-27 | Lam Research Corporation | Method of post etch polymer residue removal |
| JP4971078B2 (ja) * | 2007-08-30 | 2012-07-11 | 東京応化工業株式会社 | 表面処理装置 |
| US8845812B2 (en) * | 2009-06-12 | 2014-09-30 | Micron Technology, Inc. | Method for contamination removal using magnetic particles |
| CN102148187B (zh) * | 2010-02-09 | 2013-06-12 | 中芯国际集成电路制造(上海)有限公司 | 一种去除开尔文通孔的蚀刻残余物的方法 |
| KR20130028059A (ko) * | 2010-03-05 | 2013-03-18 | 램 리써치 코포레이션 | 다마신 프로세스들의 측벽 폴리머에 대한 세정 용액 |
| US8324114B2 (en) * | 2010-05-26 | 2012-12-04 | Lam Research Corporation | Method and apparatus for silicon oxide residue removal |
| US8716128B2 (en) * | 2011-04-14 | 2014-05-06 | Tsmc Solid State Lighting Ltd. | Methods of forming through silicon via openings |
| US9280998B1 (en) | 2015-03-30 | 2016-03-08 | WD Media, LLC | Acidic post-sputter wash for magnetic recording media |
| CN105350053B (zh) * | 2015-11-09 | 2017-08-11 | 广东长盈精密技术有限公司 | 金属外壳表面预处理方法 |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2008002669A2 (en) | 2008-01-03 |
| TW200822212A (en) | 2008-05-16 |
| KR101376897B1 (ko) | 2014-03-20 |
| TWI362700B (en) | 2012-04-21 |
| CN101479831B (zh) | 2012-05-16 |
| US20070240737A1 (en) | 2007-10-18 |
| CN101479831A (zh) | 2009-07-08 |
| US7597765B2 (en) | 2009-10-06 |
| WO2008002669A3 (en) | 2008-05-02 |
| KR20090024199A (ko) | 2009-03-06 |
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