KR20040084725A - 퍼로브스카이트 구조를 갖는 세라믹 분말의 제조 방법과,퍼로브스카이트 구조를 갖는 세라믹 분말과 세라믹 전자부품 및 그 제조 방법과 적층 세라믹 콘덴서 및 그 제조방법 - Google Patents
퍼로브스카이트 구조를 갖는 세라믹 분말의 제조 방법과,퍼로브스카이트 구조를 갖는 세라믹 분말과 세라믹 전자부품 및 그 제조 방법과 적층 세라믹 콘덴서 및 그 제조방법 Download PDFInfo
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- KR20040084725A KR20040084725A KR1020040019675A KR20040019675A KR20040084725A KR 20040084725 A KR20040084725 A KR 20040084725A KR 1020040019675 A KR1020040019675 A KR 1020040019675A KR 20040019675 A KR20040019675 A KR 20040019675A KR 20040084725 A KR20040084725 A KR 20040084725A
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- ceramic powder
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- powder
- ceramic
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- 239000000843 powder Substances 0.000 title claims abstract description 155
- 239000000919 ceramic Substances 0.000 title claims abstract description 103
- 238000004519 manufacturing process Methods 0.000 title claims description 29
- 239000002245 particle Substances 0.000 claims abstract description 74
- 239000013078 crystal Substances 0.000 claims abstract description 61
- 238000000034 method Methods 0.000 claims abstract description 54
- 239000007788 liquid Substances 0.000 claims abstract description 22
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000012808 vapor phase Substances 0.000 claims abstract description 4
- 238000009826 distribution Methods 0.000 claims description 26
- 230000015572 biosynthetic process Effects 0.000 claims description 21
- 238000010438 heat treatment Methods 0.000 claims description 21
- 238000003786 synthesis reaction Methods 0.000 claims description 19
- 239000003985 ceramic capacitor Substances 0.000 claims description 17
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 8
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 6
- 238000010304 firing Methods 0.000 claims description 6
- 238000010532 solid phase synthesis reaction Methods 0.000 claims description 6
- 238000009736 wetting Methods 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 4
- 238000001308 synthesis method Methods 0.000 claims description 4
- 229910021645 metal ion Inorganic materials 0.000 claims description 3
- 238000002788 crimping Methods 0.000 claims 1
- 150000004679 hydroxides Chemical class 0.000 abstract description 2
- 238000010306 acid treatment Methods 0.000 abstract 1
- 239000007790 solid phase Substances 0.000 abstract 1
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 description 29
- 229910002113 barium titanate Inorganic materials 0.000 description 29
- VEALVRVVWBQVSL-UHFFFAOYSA-N strontium titanate Chemical compound [Sr+2].[O-][Ti]([O-])=O VEALVRVVWBQVSL-UHFFFAOYSA-N 0.000 description 17
- 229910052788 barium Inorganic materials 0.000 description 14
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 13
- 239000010936 titanium Substances 0.000 description 13
- 239000007864 aqueous solution Substances 0.000 description 11
- 239000000243 solution Substances 0.000 description 10
- 229910052712 strontium Inorganic materials 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 238000005259 measurement Methods 0.000 description 8
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- 230000007423 decrease Effects 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 6
- 229910052719 titanium Inorganic materials 0.000 description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- UUCCCPNEFXQJEL-UHFFFAOYSA-L strontium dihydroxide Chemical compound [OH-].[OH-].[Sr+2] UUCCCPNEFXQJEL-UHFFFAOYSA-L 0.000 description 5
- 229910001866 strontium hydroxide Inorganic materials 0.000 description 5
- 239000002003 electrode paste Substances 0.000 description 4
- 238000011049 filling Methods 0.000 description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- RQPZNWPYLFFXCP-UHFFFAOYSA-L barium dihydroxide Chemical compound [OH-].[OH-].[Ba+2] RQPZNWPYLFFXCP-UHFFFAOYSA-L 0.000 description 3
- 229910001863 barium hydroxide Inorganic materials 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 3
- 230000002194 synthesizing effect Effects 0.000 description 3
- 238000012795 verification Methods 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 101100496858 Mus musculus Colec12 gene Proteins 0.000 description 2
- 238000003991 Rietveld refinement Methods 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 229910052787 antimony Inorganic materials 0.000 description 2
- AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Chemical compound [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 2
- 238000010828 elution Methods 0.000 description 2
- 230000005621 ferroelectricity Effects 0.000 description 2
- 238000001027 hydrothermal synthesis Methods 0.000 description 2
- 229910052745 lead Inorganic materials 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 238000000634 powder X-ray diffraction Methods 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 229910001631 strontium chloride Inorganic materials 0.000 description 2
- AHBGXTDRMVNFER-UHFFFAOYSA-L strontium dichloride Chemical compound [Cl-].[Cl-].[Sr+2] AHBGXTDRMVNFER-UHFFFAOYSA-L 0.000 description 2
- 229910052718 tin Inorganic materials 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 229910052727 yttrium Inorganic materials 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- MSYNCHLYGJCFFY-UHFFFAOYSA-B 2-hydroxypropane-1,2,3-tricarboxylate;titanium(4+) Chemical compound [Ti+4].[Ti+4].[Ti+4].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O.[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O.[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O.[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O MSYNCHLYGJCFFY-UHFFFAOYSA-B 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 229910002367 SrTiO Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 description 1
- 229910001626 barium chloride Inorganic materials 0.000 description 1
- 229940006612 barium citrate Drugs 0.000 description 1
- PAVWOHWZXOQYDB-UHFFFAOYSA-H barium(2+);2-hydroxypropane-1,2,3-tricarboxylate Chemical compound [Ba+2].[Ba+2].[Ba+2].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O.[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O PAVWOHWZXOQYDB-UHFFFAOYSA-H 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000007646 gravure printing Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 238000003836 solid-state method Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- RXSHXLOMRZJCLB-UHFFFAOYSA-L strontium;diacetate Chemical compound [Sr+2].CC([O-])=O.CC([O-])=O RXSHXLOMRZJCLB-UHFFFAOYSA-L 0.000 description 1
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/46—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates
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- C04B35/468—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on barium titanates
- C04B35/4682—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on barium titanates based on BaTiO3 perovskite phase
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- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
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- B82—NANOTECHNOLOGY
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- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
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- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
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Abstract
Description
Claims (15)
- 세라믹 분말을 비습식 처리에 의해 합성하고, 합성후의 세라믹 분말을 액중에서 열 처리하는 것을 특징으로 하는퍼로브스카이트 구조를 갖는 세라믹 분말의 제조 방법.
- 제 1 항에 있어서,비습식 처리는 고상법, 수산염법, 구연산법 및 기상법 중 어느 하나의 합성법인 것을 특징으로 하는퍼로브스카이트 구조를 갖는 세라믹 분말의 제조 방법.
- 제 1 항 또는 제 2 항에 있어서,열처리 온도는 80℃ 이상인 것을 특징으로 하는퍼로브스카이트 구조를 갖는 세라믹 분말의 제조 방법.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,열처리에 사용되는 액은 pH>7인 것을 특징으로 하는퍼로브스카이트 구조를 갖는 세라믹 분말의 제조 방법.
- 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,열처리에 사용되는 액은 ABO3로 나타나는 세라믹 분말의 A 사이트 금속 이온을 소정 농도로 포함하는 것을 특징으로 하는퍼로브스카이트 구조를 갖는 세라믹 분말의 제조 방법.
- 제 1 항 내지 제 5 항 중 어느 한 항에 기재된 제조 방법에 의해 얻어진 결정 격자가 정방정계인 세라믹 분말에 있어서, 입자직경이 0.2㎛ 이하이고, 결정 격자의 c/a축비가 1.006 이상이며, 1 입자내의 홀이 차지하는 면적이 5% 이하인 것을 특징으로 하는퍼로브스카이트 구조를 갖는 세라믹 분말.
- 제 1 항 내지 제 5 항 중 어느 한 항에 기재된 제조 방법에 의해 얻어진 결정 격자가 입방정계인 세라믹 분말에 있어서, 입자직경이 0.2㎛ 이하이고, 결정 격자의 XRD 피크 (111) 반가폭이 0.270°이하이며, 1 입자내의 홀이 차지하는 면적이 5% 이하인 것을 특징으로 하는퍼로브스카이트 구조를 갖는 세라믹 분말.
- 제 6 항 또는 제 7 항에 있어서,표준편차/평균 입자직경으로 나타나는 입도 분포가 30% 미만인 것을 특징으로 하는퍼로브스카이트 구조를 갖는 세라믹 분말.
- 결정 격자가 정방정계인 세라믹 분말에 있어서, 입자직경이 0.2㎛ 이하이고, 결정 격자의 c/a축비가 1.006 이상이며, 1 입자내의 홀이 차지하는 면적이 5% 이하인 것을 특징으로 하는퍼로브스카이트 구조를 갖는 세라믹 분말.
- 결정 격자가 입방정계인 세라믹 분말에 있어서, 입자직경이 0.2㎛ 이하이고, 결정 격자의 XRD 피크 (111) 반가폭이 0.270°이하이며, 1 입자내의 홀이 차지하는 면적이 5% 이하인 것을 특징으로 하는퍼로브스카이트 구조를 갖는 세라믹 분말.
- 제 9 항 또는 제 10 항에 있어서,표준편차/평균 입자직경으로 나타나는 입도 분포가 30% 미만인 것을 특징으로 하는퍼로브스카이트 구조를 갖는 세라믹 분말.
- 제 6 항 내지 제 11 항 중 어느 한 항에 기재된 세라믹 분말을 원료로 하여 작성된 유전체부를 구비하는 것을 특징으로 하는세라믹 전자 부품.
- 제 6 항 내지 제 11 항 중 어느 한 항에 기재된 세라믹 분말을 원료로 하여 유전체부를 작성하는 공정을 구비하는 것을 특징으로 하는세라믹 전자 부품의 제조 방법.
- 제 6 항 내지 제 11 항 중 어느 한 항에 기재된 세라믹 분말을 원료로 하여 작성된 유전체부와, 유전체부의 상이한 면에 단연부가 교대로 노출되도록 매립된 다수의 내부 전극과, 내부 전극의 노출단과 접속하도록 유전체부의 표면에 형성된 한 쌍의 외부 전극을 구비하는 것을 특징으로 하는적층 세라믹 콘덴서.
- 제 6 항 내지 제 11 항 중 어느 한 항에 기재된 세라믹 분말을 주성분으로 하는 슬러리를 이용하여 그린 시트를 작성하는 공정과,그린 시트에 소정 배열의 미소성 내부 전극층을 형성하는 공정과,미소성 내부 전극층이 형성된 그린 시트를 적층, 압착하여 미소성 적층물을 얻는 공정과,미소성 적층물을 칩 사이즈로 분단하여 이것을 소성함으로써 상대하는 단면에 소성후의 내부 전극이 교대로 노출된 단위 칩을 얻는 공정과,내부 전극의 노출단과 접속하도록 단위 칩의 표면에 한 쌍의 외부 전극을 형성하는 공정을 구비하는 것을 특징으로 하는 것을 특징으로 하는적층 세라믹 콘덴서의 제조 방법.
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FR957507A (ko) * | 1944-04-04 | 1950-02-23 | ||
US2976116A (en) * | 1958-03-03 | 1961-03-21 | Walter W Malinofsky | Method of preparation of barium titanate powder |
US4874598A (en) * | 1987-01-20 | 1989-10-17 | Mitsubishi Petrochemical Co., Ltd. | Process for producing perovskite-type oxides of the ABO3 type |
JP3302627B2 (ja) * | 1997-07-31 | 2002-07-15 | 太陽誘電株式会社 | セラミック粉末の製造方法 |
CN1126717C (zh) * | 1998-07-01 | 2003-11-05 | 卡伯特公司 | 水热法制备钛酸钡粉末的方法 |
JP3780851B2 (ja) * | 2000-03-02 | 2006-05-31 | 株式会社村田製作所 | チタン酸バリウムおよびその製造方法ならびに誘電体セラミックおよびセラミック電子部品 |
CN1219725C (zh) * | 2000-05-12 | 2005-09-21 | 中国科学院大连化学物理研究所 | 一种制备高性能复合氧化物粉体的方法 |
US6409983B1 (en) * | 2000-07-11 | 2002-06-25 | Korea Institute Of Science And Technology | Process for preparing crystalline barium titanate powder |
JP4660935B2 (ja) | 2001-02-05 | 2011-03-30 | 株式会社村田製作所 | 正方晶ペロブスカイト構造を有するチタン酸バリウム系セラミック粉末の製造方法 |
CN1172874C (zh) * | 2002-07-10 | 2004-10-27 | 清华大学 | 制备四方相钛酸钡纳米粉体的方法 |
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2003
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2004
- 2004-03-12 CN CNA2006101538962A patent/CN1951867A/zh active Pending
- 2004-03-12 CN CNB2004100086418A patent/CN100344579C/zh not_active Expired - Lifetime
- 2004-03-15 TW TW093106841A patent/TW200420524A/zh not_active IP Right Cessation
- 2004-03-23 KR KR1020040019675A patent/KR100707646B1/ko active IP Right Grant
- 2004-03-24 US US10/807,157 patent/US7271114B2/en active Active
- 2004-12-31 HK HK04110374A patent/HK1066975A1/xx not_active IP Right Cessation
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Also Published As
Publication number | Publication date |
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US20040188002A1 (en) | 2004-09-30 |
JP4141298B2 (ja) | 2008-08-27 |
TWI304056B (ko) | 2008-12-11 |
HK1066975A1 (en) | 2005-03-18 |
US7271114B2 (en) | 2007-09-18 |
US20070104640A1 (en) | 2007-05-10 |
CN100344579C (zh) | 2007-10-24 |
CN1951867A (zh) | 2007-04-25 |
TW200420524A (en) | 2004-10-16 |
CN1532167A (zh) | 2004-09-29 |
US7572406B2 (en) | 2009-08-11 |
JP2004284897A (ja) | 2004-10-14 |
KR100707646B1 (ko) | 2007-04-13 |
US7566439B2 (en) | 2009-07-28 |
US20070104970A1 (en) | 2007-05-10 |
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