JP2008290150A - 錫・銀・銅・インジウムの4元系鉛フリー半田組成物 - Google Patents
錫・銀・銅・インジウムの4元系鉛フリー半田組成物 Download PDFInfo
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- JP2008290150A JP2008290150A JP2008104956A JP2008104956A JP2008290150A JP 2008290150 A JP2008290150 A JP 2008290150A JP 2008104956 A JP2008104956 A JP 2008104956A JP 2008104956 A JP2008104956 A JP 2008104956A JP 2008290150 A JP2008290150 A JP 2008290150A
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- 239000000203 mixture Substances 0.000 title claims abstract description 125
- 229910000679 solder Inorganic materials 0.000 title claims abstract description 83
- 229910052738 indium Inorganic materials 0.000 title claims abstract description 37
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 239000010949 copper Substances 0.000 title claims abstract description 28
- 229910052709 silver Inorganic materials 0.000 title claims abstract description 25
- 239000004332 silver Substances 0.000 title claims abstract description 25
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 17
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 title claims abstract description 13
- 229910052718 tin Inorganic materials 0.000 title claims abstract description 13
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000011135 tin Substances 0.000 claims abstract description 16
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 8
- 238000002844 melting Methods 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 8
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 7
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 7
- 239000011133 lead Substances 0.000 claims description 6
- 239000011651 chromium Substances 0.000 claims description 5
- 239000010931 gold Substances 0.000 claims description 5
- 239000011572 manganese Substances 0.000 claims description 5
- 239000010955 niobium Substances 0.000 claims description 5
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 5
- 150000002910 rare earth metals Chemical class 0.000 claims description 5
- 239000010936 titanium Substances 0.000 claims description 5
- 239000011777 magnesium Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 229910052787 antimony Inorganic materials 0.000 claims description 3
- 229910052793 cadmium Inorganic materials 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 229910052733 gallium Inorganic materials 0.000 claims description 3
- 229910052732 germanium Inorganic materials 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 238000010406 interfacial reaction Methods 0.000 claims description 3
- 229910052748 manganese Inorganic materials 0.000 claims description 3
- 150000002739 metals Chemical class 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229910052758 niobium Inorganic materials 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 229910052763 palladium Inorganic materials 0.000 claims description 3
- 229910052698 phosphorus Inorganic materials 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 2
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims description 2
- 229910052785 arsenic Inorganic materials 0.000 claims description 2
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 claims description 2
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 claims description 2
- 229910017052 cobalt Inorganic materials 0.000 claims description 2
- 239000010941 cobalt Substances 0.000 claims description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 2
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 2
- 239000011574 phosphorus Substances 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 229910052715 tantalum Inorganic materials 0.000 claims description 2
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 2
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 claims description 2
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 2
- 230000007423 decrease Effects 0.000 abstract description 17
- 239000000463 material Substances 0.000 abstract description 7
- 238000005382 thermal cycling Methods 0.000 abstract description 6
- 230000035939 shock Effects 0.000 abstract description 5
- 238000009736 wetting Methods 0.000 description 22
- 238000005476 soldering Methods 0.000 description 16
- 238000007792 addition Methods 0.000 description 14
- 229910045601 alloy Inorganic materials 0.000 description 13
- 239000000956 alloy Substances 0.000 description 13
- 230000008859 change Effects 0.000 description 11
- 239000007788 liquid Substances 0.000 description 8
- 238000009864 tensile test Methods 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- 230000006872 improvement Effects 0.000 description 6
- 230000009467 reduction Effects 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 229910017944 Ag—Cu Inorganic materials 0.000 description 2
- 229910017482 Cu 6 Sn 5 Inorganic materials 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- -1 and in particular Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004100 electronic packaging Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/26—Selection of soldering or welding materials proper with the principal constituent melting at less than 400 degrees C
- B23K35/262—Sn as the principal constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
- B23K35/0222—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in soldering, brazing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/3006—Ag as the principal constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/302—Cu as the principal constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/3033—Ni as the principal constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/3046—Co as the principal constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C13/00—Alloys based on tin
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C13/00—Alloys based on tin
- C22C13/02—Alloys based on tin with antimony or bismuth as the next major constituent
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
【解決手段】0.3wt%以上2.5wt%未満の銀(Ag)と、0.2wt%以上2.0wt%未満の銅(Cu)と、0.2wt%以上1.0wt%未満のインジウム(In)と、その他の錫(Sn)とからなることを特徴とする。
【選択図】図8
Description
2)Ag添加量が減少するほど、1)の結果などにより濡れ性(wettability)が減少する。
3)Ag添加量が減少するほど、合金の強度及び耐クリープ特性が減少する。
4)Ag添加量が減少するほど、3)の結果などに応じて、熱サイクル実験による半田ジョイントの破断速度が増加する。
5)Ag添加量が減少するほど、合金の延伸率が増加し、かつ、機械的衝撃実験による半田ジョイントの破断速度が減少する。
また、前記4)及び5)の場合は、半田のAg含量の減少によって互いに相反する特性を見せているといえるため、適切なAg量を設定する一方、合金元素の添加などによって機械的特性の向上を補完してこそ初めて、熱サイクル及び機械的衝撃に対する耐性を同時に確保することが可能な理想的な半田組成の設計がなされ、更に、Ag含量の低減による原価低減まで確保可能になる。
前記のような特徴を有する鉛フリー半田組成物は、鉛フリー半田組成物の原価を下げるために、銀の添加量を減少させることにより発生する濡れ性の低下と、熱サイクル及び機械的衝撃の信頼性の不十分な点をインジウム(In)の添加を介して補完することにより、更に低い価格で、優れた品質の鉛フリー半田組成物を提供できるようにしたものである。
一方、前記各添加元素の好ましい添加割合によると、最も理想的な鉛フリー半田組成物は、Sn−1.2Ag−0.5Cu−0.4Inであり、本発明の最も理想的な組成であるSn−1.2Ag−0.5Cu−0.4Inと、その他の様々な研究組成と、従来の研究組成であるSn−3.0Ag−0.5Cu、Sn−1.0Ag−0.5Cu、Sn−1.2Ag−0.5Cu−0.05Ni組成とについて、同じ実験過程を通じて評価した結果を図1ないし図11に示している。
また、本発明に係るSn−Ag−Cu−Inの4元系鉛フリー半田組成の他の例であるSn−0.3Ag−0.7Cu−0.2In組成と、従来のSn−3.0Ag−0.5Cu、Sn−1.0Ag−0.5Cu、Sn−0.3Ag−0.7Cu組成とについて、前述した同じ試験過程を通じて濡れ特性を評価した結果が、図13ないし図15に示されている。
また、本発明に係るSn−Ag−Cu−Inの4元系鉛フリー半田組成物の界面反応特性の向上と融点降下などのために、亜鉛(Zn)と砒素(Bi)とのうちから選択された1つの元素又は2つの元素を混合して、0.001wt%〜2wt%の範囲で更に添加することができる。
上記のような付言は、本発明に係るSn−Ag−Cu−Inの4元系鉛フリー半田組成物の特許を回避しようと、Sn−Ag−Cu−Inの4元系鉛フリー半田組成物に微量の1つ又は2つ以上の元素を添加する方法も、本発明に属する技術分野であることを伝えるためである。
Claims (4)
- 0.3wt%以上2.5wt%未満の銀(Ag)と、0.2wt%以上2.0wt%未満の銅(Cu)と、0.2wt%以上1.0wt%未満のインジウム(In)と、その他の錫(Sn)とからなることを特徴とする錫・銀・銅・インジウムの4元系鉛フリー半田組成物。
- 前記鉛フリー半田組成物の耐酸化性の向上のために、リン(P)、ゲルマニウム(Ge)、ガリウム(Ga)、アルミニウム(Al)、及びシリコン(Si)のうちから選択された1つ又は2つ以上の元素を混合して、0.001wt%〜1wt%の範囲で更に添加することを特徴とする請求項1に記載の錫・銀・銅・インジウムの4元系鉛フリー半田組成物。
- 前記鉛フリー半田組成物の界面反応特性の向上及び融点降下のために、亜鉛(Zn)及び砒素(Bi)のうちから選択された1つ又は2つの元素を混合して、0.001wt%〜2wt%の範囲で更に添加することを特徴とする請求項1に記載の錫・銀・銅・インジウムの4元系鉛フリー半田組成物。
- 前記鉛フリー半田組成物に、ニッケル(Ni)、コバルト(Co)、鉄(Fe)、金(Au)、白金(Pt)、鉛(Pb)、マンガン(Mn)、バナジウム(V)、チタニウム(Ti)、クロム(Cr)、ニオブ(Nb)、パラジウム(Pd)、アンチモン(Sb)、マグネシウム(Mg)、タンタル(Ta)、カドミウム(Cd)、及び希土類(Rare Earth)金属のうちから選択された1つ又は2つ以上の元素を混合して、0.001wt%〜1wt%の範囲で更に添加することを特徴とする請求項1に記載の錫・銀・銅・インジウムの4元系鉛フリー半田組成物。
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KR1020070050905A KR100797161B1 (ko) | 2007-05-25 | 2007-05-25 | 주석-은-구리-인듐의 4원계 무연솔더 조성물 |
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JP2008290150A true JP2008290150A (ja) | 2008-12-04 |
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JP2008104956A Pending JP2008290150A (ja) | 2007-05-25 | 2008-04-14 | 錫・銀・銅・インジウムの4元系鉛フリー半田組成物 |
Country Status (4)
Country | Link |
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US (1) | US20080292493A1 (ja) |
JP (1) | JP2008290150A (ja) |
KR (1) | KR100797161B1 (ja) |
CN (1) | CN101569965A (ja) |
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WO2012128356A1 (ja) * | 2011-03-23 | 2012-09-27 | 千住金属工業株式会社 | 鉛フリーはんだ合金 |
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JP2011031253A (ja) * | 2009-07-30 | 2011-02-17 | Eishin Kogyo Kk | 無鉛ハンダ合金 |
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JP2013252548A (ja) * | 2012-06-08 | 2013-12-19 | Nihon Almit Co Ltd | 微細部品接合用のソルダペースト |
JPWO2015019967A1 (ja) * | 2013-08-05 | 2017-03-02 | 千住金属工業株式会社 | 鉛フリーはんだ合金 |
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Also Published As
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KR100797161B1 (ko) | 2008-01-23 |
CN101569965A (zh) | 2009-11-04 |
US20080292493A1 (en) | 2008-11-27 |
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