JP2007084428A - エピタキシャルシリコンウェハおよびエピタキシャルシリコンウェハの製造方法 - Google Patents
エピタキシャルシリコンウェハおよびエピタキシャルシリコンウェハの製造方法 Download PDFInfo
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- JP2007084428A JP2007084428A JP2006253246A JP2006253246A JP2007084428A JP 2007084428 A JP2007084428 A JP 2007084428A JP 2006253246 A JP2006253246 A JP 2006253246A JP 2006253246 A JP2006253246 A JP 2006253246A JP 2007084428 A JP2007084428 A JP 2007084428A
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- silicon
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- hydrogen
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 148
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 147
- 239000010703 silicon Substances 0.000 title claims abstract description 147
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 239000001257 hydrogen Substances 0.000 claims abstract description 48
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 48
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 238000000034 method Methods 0.000 claims abstract description 45
- 238000000407 epitaxy Methods 0.000 claims abstract description 27
- 238000005530 etching Methods 0.000 claims abstract description 24
- 238000000576 coating method Methods 0.000 claims abstract description 15
- 239000011248 coating agent Substances 0.000 claims abstract description 11
- 235000012431 wafers Nutrition 0.000 claims description 159
- 230000008569 process Effects 0.000 claims description 26
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 claims description 20
- 230000007717 exclusion Effects 0.000 claims description 18
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical group Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 13
- 238000000151 deposition Methods 0.000 claims description 13
- 229910000041 hydrogen chloride Inorganic materials 0.000 claims description 13
- 230000008021 deposition Effects 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 239000012212 insulator Substances 0.000 claims description 6
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims description 6
- ZDHXKXAHOVTTAH-UHFFFAOYSA-N trichlorosilane Chemical compound Cl[SiH](Cl)Cl ZDHXKXAHOVTTAH-UHFFFAOYSA-N 0.000 claims description 6
- 239000005052 trichlorosilane Substances 0.000 claims description 6
- 239000002210 silicon-based material Substances 0.000 claims description 5
- 238000005498 polishing Methods 0.000 description 19
- 238000004140 cleaning Methods 0.000 description 10
- 239000007789 gas Substances 0.000 description 7
- 238000000227 grinding Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000007517 polishing process Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 229910000077 silane Inorganic materials 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000012159 carrier gas Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- SLLGVCUQYRMELA-UHFFFAOYSA-N chlorosilicon Chemical compound Cl[Si] SLLGVCUQYRMELA-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910003902 SiCl 4 Inorganic materials 0.000 description 1
- 238000012993 chemical processing Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- MROCJMGDEKINLD-UHFFFAOYSA-N dichlorosilane Chemical compound Cl[SiH2]Cl MROCJMGDEKINLD-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 229910003465 moissanite Inorganic materials 0.000 description 1
- -1 monosilane SiH 4 Chemical compound 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 150000004756 silanes Chemical class 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- FDNAPBUWERUEDA-UHFFFAOYSA-N silicon tetrachloride Chemical compound Cl[Si](Cl)(Cl)Cl FDNAPBUWERUEDA-UHFFFAOYSA-N 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Classifications
-
- 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
- H01L21/20—Deposition of semiconductor materials on a substrate, e.g. epitaxial growth solid phase epitaxy
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B25/00—Single-crystal growth by chemical reaction of reactive gases, e.g. chemical vapour-deposition growth
- C30B25/02—Epitaxial-layer growth
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/02—Elements
- C30B29/06—Silicon
-
- 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
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02367—Substrates
- H01L21/0237—Materials
- H01L21/02373—Group 14 semiconducting materials
- H01L21/02381—Silicon, silicon germanium, germanium
-
- 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
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02367—Substrates
- H01L21/02428—Structure
- H01L21/0243—Surface structure
-
- 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
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/02521—Materials
- H01L21/02524—Group 14 semiconducting materials
- H01L21/02532—Silicon, silicon germanium, germanium
-
- 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
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02612—Formation types
- H01L21/02617—Deposition types
- H01L21/0262—Reduction or decomposition of gaseous compounds, e.g. CVD
-
- 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
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02656—Special treatments
- H01L21/02658—Pretreatments
-
- 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
- H01L21/3065—Plasma etching; Reactive-ion etching
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S438/00—Semiconductor device manufacturing: process
- Y10S438/905—Cleaning of reaction chamber
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- Condensed Matter Physics & Semiconductors (AREA)
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- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
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- Crystallography & Structural Chemistry (AREA)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Recrystallisation Techniques (AREA)
Abstract
【解決手段】第1の水素流の水素雰囲気における第1のステップと低減された第2の水素流にエッチング剤を添加した雰囲気における第2のステップとで前処理し、続いて研磨面をエピタキシャルコーティングし、ウェハをエピタキシリアクタから取り出し、ここで所定数のエピタキシコーティングが終了するたびにサセプタのエッチング処理を行う。
【選択図】図5
Description
Claims (17)
- 少なくとも前面の研磨された複数のシリコンウェハを用意し、用意されたシリコンウェハのそれぞれを順次にエピタキシリアクタ内のサセプタ上に載置してコーティングする
エピタキシャルシリコンウェハの製造方法において、
第1の水素流の水素雰囲気における第1のステップと低減された第2の水素流にエッチング剤を添加した雰囲気における第2のステップとで前処理し、続いて研磨面をエピタキシャルコーティングし、ウェハをエピタキシリアクタから取り出し、ここで所定数のエピタキシコーティングが終了するたびにサセプタのエッチング処理を行う
ことを特徴とするエピタキシャルシリコンウェハの製造方法。 - 前処理を温度範囲950℃〜1200℃で行う、請求項1記載の方法。
- 水素雰囲気に添加するエッチング剤は塩化水素である、請求項1または2記載の方法。
- 第1の水素流での水素雰囲気における前処理では、水素流は20slm〜100slmであり、処理の持続時間は0s〜120sである、請求項1から3までのいずれか1項記載の方法。
- 水素流は40slm〜60slmである、請求項4記載の方法。
- 低減された第2の水素流にエッチング剤を添加した雰囲気における前処理では、水素流は0.5slm〜10slmであり、処理の持続時間は10s〜120sである、請求項1から5までのいずれか1項記載の方法。
- 水素流は0.5slm〜5slmである、請求項6記載の方法。
- エピタキシコーティングを、トリクロルシランを用いて堆積温度1050℃〜1150℃で行う、請求項1から7までのいずれか1項記載の方法。
- 1回〜5回のエピタキシコーティング後にエッチング剤として塩化水素を用いたサセプタのエッチング処理を行う、請求項1から8までのいずれか1項記載の方法。
- エッチング剤を用いた処理後にサセプタをケイ素によりコーティングする、請求項1から9までのいずれか1項記載の方法。
- 用意するシリコンウェハは単結晶ケイ素材料から成るウェハ、SOI("silicon-on-insulator")ウェハ、歪みケイ素層("strained silicon")を備えたシリコンウェハまたはsSOI("strained silicon-on-insulator")ウェハである、請求項1から10までのいずれか1項記載の方法。
- 前面および後面を備えたシリコンウェハにおいて、
少なくとも前面が研磨されており、少なくとも前面にエピタキシャル層が被着されており、エッジ除外領域2mmに対して全体的平坦度値GBIRが0.07μm〜0.3μmである
ことを特徴とするシリコンウェハ。 - 全体的平坦度値GBIRが0.07μm〜0.25μmである、請求項12記載のウェハ。
- 全体的平坦度値GBIRが0.07μm〜0.15μmである、請求項13記載のウェハ。
- サイズ26×8mm2のパターンセグメントである部分領域について,エッジ除外領域2mmに対して局所的平坦度最大値SBIRmaxが0.1μm以下である、請求項12から14までのいずれか1項記載のウェハ。
- 局所的平坦度最大値SBIRmaxが0.05μm以下である、請求項15記載のウェハ。
- シリコンウェハはエピタキシャル層を備えた単結晶ケイ素材料から成るウェハ、SOIウェハ、歪みケイ素層を備えたシリコンウェハまたはsSOIウェハである、請求項12から16までのいずれか1項記載のウェハ。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005045339.2 | 2005-09-22 | ||
DE102005045339A DE102005045339B4 (de) | 2005-09-22 | 2005-09-22 | Epitaxierte Siliciumscheibe und Verfahren zur Herstellung von epitaxierten Siliciumscheiben |
Publications (2)
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JP2007084428A true JP2007084428A (ja) | 2007-04-05 |
JP4877628B2 JP4877628B2 (ja) | 2012-02-15 |
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JP2006253246A Active JP4877628B2 (ja) | 2005-09-22 | 2006-09-19 | エピタキシャルシリコンウェハの製造方法 |
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US (2) | US7579261B2 (ja) |
JP (1) | JP4877628B2 (ja) |
KR (2) | KR100829879B1 (ja) |
CN (1) | CN1936110B (ja) |
DE (1) | DE102005045339B4 (ja) |
SG (2) | SG163607A1 (ja) |
TW (1) | TWI296130B (ja) |
Cited By (7)
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JP2010166048A (ja) * | 2009-01-14 | 2010-07-29 | Siltronic Ag | エピタキシコーティングされたシリコンウェーハ及びエピタキシコーティングされたシリコンウェーハの製造法 |
JP2010199583A (ja) * | 2009-02-25 | 2010-09-09 | Siltronic Ag | エピタキシャル被覆されたシリコンウェハの製造方法 |
CN101894743A (zh) * | 2009-05-20 | 2010-11-24 | 硅电子股份公司 | 经外延涂覆的硅晶片的制造方法 |
JP2011018725A (ja) * | 2009-07-08 | 2011-01-27 | Sumco Corp | エピタキシャルウェーハおよびその製造方法 |
JP2013153181A (ja) * | 2009-03-04 | 2013-08-08 | Siltronic Ag | エピタキシャル被覆されたシリコンウェハ及びエピタキシャル被覆されたシリコンウェハの製造方法 |
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US8304316B2 (en) * | 2007-12-20 | 2012-11-06 | Cambridge Semiconductor Limited | Semiconductor device and method of forming a semiconductor device |
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US8080464B2 (en) * | 2009-12-29 | 2011-12-20 | MEMC Electronics Materials, Inc, | Methods for processing silicon on insulator wafers |
JP5521561B2 (ja) * | 2010-01-12 | 2014-06-18 | 信越半導体株式会社 | 貼り合わせウェーハの製造方法 |
PL213291B1 (pl) * | 2010-06-07 | 2013-02-28 | Inst Tech Material Elekt | Sposób wytwarzania grafenu |
DE102012202099A1 (de) | 2012-02-13 | 2013-08-14 | Siltronic Ag | Verfahren zum Abkühlen von Scheiben aus Halbleitermaterial |
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US9017804B2 (en) | 2013-02-05 | 2015-04-28 | Dow Corning Corporation | Method to reduce dislocations in SiC crystal growth |
US9738991B2 (en) | 2013-02-05 | 2017-08-22 | Dow Corning Corporation | Method for growing a SiC crystal by vapor deposition onto a seed crystal provided on a supporting shelf which permits thermal expansion |
US8940614B2 (en) | 2013-03-15 | 2015-01-27 | Dow Corning Corporation | SiC substrate with SiC epitaxial film |
US9279192B2 (en) | 2014-07-29 | 2016-03-08 | Dow Corning Corporation | Method for manufacturing SiC wafer fit for integration with power device manufacturing technology |
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KR20070033888A (ko) | 2007-03-27 |
US20090261456A1 (en) | 2009-10-22 |
CN1936110B (zh) | 2010-06-09 |
KR100828623B1 (ko) | 2008-05-09 |
KR20080009040A (ko) | 2008-01-24 |
DE102005045339A1 (de) | 2007-04-05 |
US20070066036A1 (en) | 2007-03-22 |
TW200713429A (en) | 2007-04-01 |
SG163607A1 (en) | 2010-08-30 |
TWI296130B (en) | 2008-04-21 |
CN1936110A (zh) | 2007-03-28 |
JP4877628B2 (ja) | 2012-02-15 |
SG131055A1 (en) | 2007-04-26 |
US7935614B2 (en) | 2011-05-03 |
KR100829879B1 (ko) | 2008-05-19 |
DE102005045339B4 (de) | 2009-04-02 |
US7579261B2 (en) | 2009-08-25 |
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