JP2007095913A - 配線構造体の形成方法、配線構造体、半導体装置の形成方法、及び表示装置 - Google Patents
配線構造体の形成方法、配線構造体、半導体装置の形成方法、及び表示装置 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 110
- 239000004065 semiconductor Substances 0.000 title claims description 54
- 229910052751 metal Inorganic materials 0.000 claims abstract description 106
- 239000002184 metal Substances 0.000 claims abstract description 106
- 239000000758 substrate Substances 0.000 claims abstract description 63
- 238000000137 annealing Methods 0.000 claims abstract description 49
- 230000008569 process Effects 0.000 claims abstract description 31
- 230000001678 irradiating effect Effects 0.000 claims abstract description 10
- 239000010949 copper Substances 0.000 claims description 101
- 229910052802 copper Inorganic materials 0.000 claims description 100
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 99
- 238000005530 etching Methods 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 8
- 239000011261 inert gas Substances 0.000 claims description 3
- 239000012212 insulator Substances 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims 2
- 239000010410 layer Substances 0.000 description 245
- 239000010408 film Substances 0.000 description 59
- 238000010438 heat treatment Methods 0.000 description 47
- 230000004888 barrier function Effects 0.000 description 34
- 239000013078 crystal Substances 0.000 description 29
- 229910021417 amorphous silicon Inorganic materials 0.000 description 18
- 239000004973 liquid crystal related substance Substances 0.000 description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 11
- 229910052581 Si3N4 Inorganic materials 0.000 description 10
- 230000015572 biosynthetic process Effects 0.000 description 10
- 229920002120 photoresistant polymer Polymers 0.000 description 10
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 10
- 238000004544 sputter deposition Methods 0.000 description 10
- 239000007789 gas Substances 0.000 description 9
- 239000011521 glass Substances 0.000 description 9
- 238000009792 diffusion process Methods 0.000 description 8
- 229910052814 silicon oxide Inorganic materials 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 239000010936 titanium Substances 0.000 description 7
- 239000011651 chromium Substances 0.000 description 6
- 239000011777 magnesium Substances 0.000 description 6
- 239000011159 matrix material Substances 0.000 description 6
- 239000010409 thin film Substances 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 238000007747 plating Methods 0.000 description 5
- 229910052715 tantalum Inorganic materials 0.000 description 5
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 5
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 4
- 238000007772 electroless plating Methods 0.000 description 4
- 229910052750 molybdenum Inorganic materials 0.000 description 4
- 239000011733 molybdenum Substances 0.000 description 4
- 229910052719 titanium Inorganic materials 0.000 description 4
- 229910052724 xenon Inorganic materials 0.000 description 4
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- 238000009713 electroplating Methods 0.000 description 3
- 229910052743 krypton Inorganic materials 0.000 description 3
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- 238000002161 passivation Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010894 electron beam technology Methods 0.000 description 2
- 238000000295 emission spectrum Methods 0.000 description 2
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- 230000007246 mechanism Effects 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 2
- 239000003566 sealing material Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000009751 slip forming Methods 0.000 description 2
- 229910004205 SiNX Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 150000001879 copper Chemical class 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001803 electron scattering Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000000790 scattering method Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010301 surface-oxidation reaction Methods 0.000 description 1
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 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
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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
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
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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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76838—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the conductors
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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
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/124—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or layout of the wiring layers specially adapted to the circuit arrangement, e.g. scanning lines in LCD pixel circuits
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- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/45—Ohmic electrodes
- H01L29/456—Ohmic electrodes on silicon
- H01L29/458—Ohmic electrodes on silicon for thin film silicon, e.g. source or drain electrode
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- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/49—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET
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Abstract
【解決手段】基体1上に金属層4を形成する第1工程と、金属層4にフラッシュランプから発せられる光を照射してアニールを行う第2工程とを含む。
【選択図】 図1
Description
銅を主成分とする金属層とは、概ね90%以上が銅であるのが好ましい。さらに好ましくは、98%以上である。なお、銅を主成分とする金属層とは、銅単体を含む。金属層に含まれる銅以外の元素としては、マグネシウム(Mg)、チタン(Ti)、モリブデン(Mo)、タンタル(Ta)、或いは、クロム(Cr)等が挙げられる。
銅を主成分とする金属層とは、概ね90%以上が銅であるのが好ましい。さらに好ましくは、98%以上である。なお、銅を主成分とする金属層とは、銅単体を含む。金属層に含まれる銅以外の元素としては、マグネシウム(Mg)、チタン(Ti)、モリブデン(Mo)、タンタル(Ta)、或いは、クロム(Cr)等が挙げられる。
前記フラッシュランプ103としては、電圧、電流密度、ガス圧、ランプ内径等を制御して紫外線から可視領域に強度の強い発光分光特性を有するものを用いるのが望ましい。具体的には、以下の実験(図12乃至図15参照)にて使用する際に有効な紫外線から可視領域の発光強度を得る条件範囲は、電流密度3000A/cm2〜10000A/cm2であった。フラッシュランプ加熱工程において、プラズマ温度を上昇させるとともに、短波長成分のエネルギー密度の比率を高くするためには、フラッシュランプ103の電流密度を3000A/cm2〜10000A/cm2程度の高電流密度とすることが望ましい。
尚、図16(d)に示す前記フラッシュランプ加熱工程は、CMPの後で行っても、両方で行っても良い。
前記下地絶縁層14は、酸化シリコンや窒化シリコン等により形成されることができる。前記複数の画素電極15は、行方向及び列方向に、マトリックス状に配設され、各々は、例えばITOで形成された透明電極により形成されている。図7に示すように、前記TFT19は、下地絶縁層14上に設けられ、各々は、ゲート電極(本実施形態では配線構造体6でもある)31と、ゲート絶縁膜32と、半導体層33と、ソース電極34と、ドレイン電極35とを備えている。また、これらTFT19は、マトリックス上に配設された前記複数の画素電極15と、ソース電極34が電気的に接続されるようにして、画素電極15に対して夫々、1対1で対応するように設けられている。
Claims (12)
- 基体上に金属層を形成する第1工程と、
この金属層にフラッシュランプから発せられる光を照射してアニールを行うアニール工程とを具備することを特徴とする配線構造体の形成方法。 - 基体上に金属層を形成する第1工程と、
前記金属層に300nm〜600nmの波長範囲に極大強度を有し、フラッシュランプから発せられる光を照射してアニールを行うアニール工程とを具備することを特徴とする配線構造体の形成方法。 - 基体上に金属層を形成する第1工程と、
この金属層を配線パターン状にエッチングして配線構造体パターンを形成する第2工程と、
この配線構造体パターンにフラッシュランプから発せられる光を照射してアニールを行うアニール工程とを具備することを特徴とする配線構造体の形成方法。 - 前記光は、パルス幅が0.1ms〜10msに設定されたパルス光であることを特徴とする請求項1乃至3のいずれか1項に記載の配線構造体の形成方法。
- 前記金属層は、銅を主成分とすることを特徴とする請求項1乃至4のいずれか1項に記載の配線構造体の形成方法。
- 前記アニール工程は、前記基体と前記フラッシュランプとの相対的な位置関係を変化させるステップ送り及び/又はリピート送りしながら、光を照射することを特徴とする請求項1乃至4のいずれか1項に記載の配線構造体の形成方法。
- 前記アニール工程は、前記金属層上に保護絶縁膜を形成する工程と、不活性ガスもしくは真空中の雰囲気で、前記保護絶縁膜上から光を照射する工程とを含むことを特徴とする請求項1乃至4のいずれか1項に記載の配線構造体の形成方法。
- 絶縁体からなる基板と、
この基板上に設けられ、フラッシュランプ光により照射された配線パターンとを
具備することを特徴とする配線構造体。 - 基体上に半導体層を形成する工程と、
この半導体層上に絶縁膜を形成する工程と、
この絶縁膜上に金属層を形成する工程と、
前記金属層を加工して配線構造体を形成する工程と、
前記金属層および前記配線構造体の少なくとも一方にフラッシュランプから発せられる光を照射してアニールを施す工程とを具備することを特徴とする半導体装置の形成方法。 - 基体上に金属層を形成する工程と、
この金属層を加工して配線構造体を形成する工程と、
前記金属層および前記配線構造体の少なくとも一方にフラッシュランプアニールを施す工程と、
前記金属層上に絶縁膜を形成する工程と、
この絶縁膜上に半導体層を形成する工程とを具備することを特徴とする半導体装置の形成方法。 - 前記金属層は、銅を主成分とすることを特徴とする請求項9又は10に記載の半導体装置の形成方法。
- 請求項9乃至11の半導体装置の形成方法により製造された半導体装置をスイッチング回路に設けてなることを特徴とする表示装置。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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JP2005281894A JP4738959B2 (ja) | 2005-09-28 | 2005-09-28 | 配線構造体の形成方法 |
TW095133548A TW200741963A (en) | 2005-09-28 | 2006-09-11 | Method for forming wiring structure, wiring structure, method for forming semiconductor device, and display device |
US11/531,873 US7790612B2 (en) | 2005-09-28 | 2006-09-14 | Increased grain size in metal wiring structures through flash tube irradiation |
KR1020060093898A KR20070035980A (ko) | 2005-09-28 | 2006-09-27 | 배선 구조를 형성하는 방법, 배선 구조, 반도체 소자를형성하는 방법, 및 디스플레이 장치 |
CNA2006101437730A CN1941325A (zh) | 2005-09-28 | 2006-09-28 | 形成布线结构的方法、布线结构、形成半导体器件的方法、以及显示器 |
US12/851,290 US20100301342A1 (en) | 2005-09-28 | 2010-08-05 | Increased grain size in metal wiring structures through flash tube irradiation |
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JP2005281894A JP4738959B2 (ja) | 2005-09-28 | 2005-09-28 | 配線構造体の形成方法 |
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JP4738959B2 JP4738959B2 (ja) | 2011-08-03 |
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JP (1) | JP4738959B2 (ja) |
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CN (1) | CN1941325A (ja) |
TW (1) | TW200741963A (ja) |
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JP2015225650A (ja) * | 2014-05-28 | 2015-12-14 | 介面光電股▲ふん▼有限公司JTOUCH Corporation | 金属配線の微細構造製造方法 |
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US10672653B2 (en) * | 2017-12-18 | 2020-06-02 | International Business Machines Corporation | Metallic interconnect structures with wrap around capping layers |
CN110265406A (zh) * | 2019-06-06 | 2019-09-20 | 深圳市华星光电技术有限公司 | 阵列基板及制作方法 |
CN113629076A (zh) * | 2021-08-04 | 2021-11-09 | 武汉华星光电技术有限公司 | 阵列基板及显示面板 |
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Also Published As
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US20070072417A1 (en) | 2007-03-29 |
TW200741963A (en) | 2007-11-01 |
US7790612B2 (en) | 2010-09-07 |
US20100301342A1 (en) | 2010-12-02 |
JP4738959B2 (ja) | 2011-08-03 |
CN1941325A (zh) | 2007-04-04 |
KR20070035980A (ko) | 2007-04-02 |
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