CN101388290B - 电解电容及其制造方法 - Google Patents
电解电容及其制造方法 Download PDFInfo
- Publication number
- CN101388290B CN101388290B CN200810149277.5A CN200810149277A CN101388290B CN 101388290 B CN101388290 B CN 101388290B CN 200810149277 A CN200810149277 A CN 200810149277A CN 101388290 B CN101388290 B CN 101388290B
- Authority
- CN
- China
- Prior art keywords
- niobium
- electrode
- electrochemical capacitor
- dielectric layer
- alloy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000003990 capacitor Substances 0.000 title claims abstract description 101
- 238000004519 manufacturing process Methods 0.000 title claims description 25
- 238000000034 method Methods 0.000 title claims description 11
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims abstract description 102
- 239000010955 niobium Substances 0.000 claims abstract description 91
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 67
- 229910001257 Nb alloy Inorganic materials 0.000 claims abstract description 53
- 238000002048 anodisation reaction Methods 0.000 claims description 49
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 20
- 239000011737 fluorine Substances 0.000 claims description 20
- 229910052731 fluorine Inorganic materials 0.000 claims description 20
- 239000007864 aqueous solution Substances 0.000 claims description 16
- DDFHBQSCUXNBSA-UHFFFAOYSA-N 5-(5-carboxythiophen-2-yl)thiophene-2-carboxylic acid Chemical compound S1C(C(=O)O)=CC=C1C1=CC=C(C(O)=O)S1 DDFHBQSCUXNBSA-UHFFFAOYSA-N 0.000 claims description 9
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims description 6
- NROKBHXJSPEDAR-UHFFFAOYSA-M potassium fluoride Chemical compound [F-].[K+] NROKBHXJSPEDAR-UHFFFAOYSA-M 0.000 claims description 6
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 claims description 6
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 3
- 229960002050 hydrofluoric acid Drugs 0.000 claims description 3
- 235000003270 potassium fluoride Nutrition 0.000 claims description 3
- 239000011698 potassium fluoride Substances 0.000 claims description 3
- 235000013024 sodium fluoride Nutrition 0.000 claims description 3
- 239000011775 sodium fluoride Substances 0.000 claims description 3
- 230000010287 polarization Effects 0.000 claims 1
- 210000000952 spleen Anatomy 0.000 claims 1
- 210000002784 stomach Anatomy 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 34
- 229910052782 aluminium Inorganic materials 0.000 abstract description 33
- 229910001080 W alloy Inorganic materials 0.000 abstract description 18
- 229910045601 alloy Inorganic materials 0.000 abstract description 17
- 239000000956 alloy Substances 0.000 abstract description 17
- 229910001069 Ti alloy Inorganic materials 0.000 abstract description 16
- 238000007743 anodising Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 90
- 229910052751 metal Inorganic materials 0.000 description 45
- 239000002184 metal Substances 0.000 description 45
- 230000000052 comparative effect Effects 0.000 description 37
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 37
- 239000004411 aluminium Substances 0.000 description 32
- 238000002360 preparation method Methods 0.000 description 32
- 239000011888 foil Substances 0.000 description 30
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 24
- 238000004833 X-ray photoelectron spectroscopy Methods 0.000 description 23
- 229910052721 tungsten Inorganic materials 0.000 description 16
- 239000010937 tungsten Substances 0.000 description 16
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 16
- 238000002425 crystallisation Methods 0.000 description 15
- 230000008025 crystallization Effects 0.000 description 15
- 239000000843 powder Substances 0.000 description 15
- 239000010936 titanium Substances 0.000 description 14
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 13
- 238000004458 analytical method Methods 0.000 description 12
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 11
- 238000010438 heat treatment Methods 0.000 description 11
- 229910052720 vanadium Inorganic materials 0.000 description 11
- 239000011701 zinc Substances 0.000 description 11
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 10
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 10
- 239000011812 mixed powder Substances 0.000 description 10
- 229910052719 titanium Inorganic materials 0.000 description 10
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 9
- 238000005245 sintering Methods 0.000 description 9
- 229910052750 molybdenum Inorganic materials 0.000 description 8
- 239000011733 molybdenum Substances 0.000 description 8
- 229910000484 niobium oxide Inorganic materials 0.000 description 8
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 description 8
- 229910052725 zinc Inorganic materials 0.000 description 8
- 229910052726 zirconium Inorganic materials 0.000 description 8
- 229910052735 hafnium Inorganic materials 0.000 description 7
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 6
- 239000011260 aqueous acid Substances 0.000 description 6
- 239000011574 phosphorus Substances 0.000 description 6
- 229910052698 phosphorus Inorganic materials 0.000 description 6
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 6
- 238000002156 mixing Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- -1 oxonium ion Chemical class 0.000 description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 4
- REDXJYDRNCIFBQ-UHFFFAOYSA-N aluminium(3+) Chemical compound [Al+3] REDXJYDRNCIFBQ-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 229910052709 silver Inorganic materials 0.000 description 4
- 239000004332 silver Substances 0.000 description 4
- 229910052715 tantalum Inorganic materials 0.000 description 4
- 238000009835 boiling Methods 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 3
- 150000004706 metal oxides Chemical class 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- TTXOCPWHRPZIJA-UHFFFAOYSA-N [F].[Nb] Chemical compound [F].[Nb] TTXOCPWHRPZIJA-UHFFFAOYSA-N 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 2
- 238000003556 assay Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 229920000128 polypyrrole Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- DSSYKIVIOFKYAU-XCBNKYQSSA-N (R)-camphor Chemical compound C1C[C@@]2(C)C(=O)C[C@@H]1C2(C)C DSSYKIVIOFKYAU-XCBNKYQSSA-N 0.000 description 1
- WURBVZBTWMNKQT-UHFFFAOYSA-N 1-(4-chlorophenoxy)-3,3-dimethyl-1-(1,2,4-triazol-1-yl)butan-2-one Chemical compound C1=NC=NN1C(C(=O)C(C)(C)C)OC1=CC=C(Cl)C=C1 WURBVZBTWMNKQT-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000723346 Cinnamomum camphora Species 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- PEQFPKIXNHTCSJ-UHFFFAOYSA-N alumane;niobium Chemical compound [AlH3].[Nb] PEQFPKIXNHTCSJ-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 229960000846 camphor Drugs 0.000 description 1
- 229930008380 camphor Natural products 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 150000002821 niobium Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/04—Electrodes or formation of dielectric layers thereon
- H01G9/042—Electrodes or formation of dielectric layers thereon characterised by the material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/04—Electrodes or formation of dielectric layers thereon
- H01G9/048—Electrodes or formation of dielectric layers thereon characterised by their structure
- H01G9/052—Sintered electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/15—Solid electrolytic capacitors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002-217482 | 2002-07-26 | ||
| JP2002217482 | 2002-07-26 | ||
| JP2002217482 | 2002-07-26 | ||
| JP2003-080792 | 2003-03-24 | ||
| JP2003080792 | 2003-03-24 | ||
| JP2003080792 | 2003-03-24 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031331890A Division CN100490035C (zh) | 2002-07-26 | 2003-07-25 | 电解电容及其制造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101388290A CN101388290A (zh) | 2009-03-18 |
| CN101388290B true CN101388290B (zh) | 2014-08-20 |
Family
ID=30772259
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810149277.5A Expired - Fee Related CN101388290B (zh) | 2002-07-26 | 2003-07-25 | 电解电容及其制造方法 |
| CNB031331890A Expired - Fee Related CN100490035C (zh) | 2002-07-26 | 2003-07-25 | 电解电容及其制造方法 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031331890A Expired - Fee Related CN100490035C (zh) | 2002-07-26 | 2003-07-25 | 电解电容及其制造方法 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6876083B2 (cg-RX-API-DMAC7.html) |
| JP (1) | JP4275187B2 (cg-RX-API-DMAC7.html) |
| CN (2) | CN101388290B (cg-RX-API-DMAC7.html) |
| TW (1) | TWI225656B (cg-RX-API-DMAC7.html) |
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7684171B2 (en) * | 2003-10-23 | 2010-03-23 | Medtronic, Inc. | Capacitors based on valve metal alloys for use in medical devices |
| JP4275044B2 (ja) * | 2004-02-04 | 2009-06-10 | 三洋電機株式会社 | 固体電解コンデンサおよびその製造方法 |
| JP4383228B2 (ja) * | 2004-03-31 | 2009-12-16 | 三洋電機株式会社 | 固体電解コンデンサ |
| WO2007013456A1 (ja) * | 2005-07-26 | 2007-02-01 | Showa Denko K. K. | 固体電解コンデンサ素子及びそれを用いた固体電解コンデンサ |
| JP4882567B2 (ja) * | 2006-07-19 | 2012-02-22 | パナソニック株式会社 | 固体電解コンデンサの製造方法及び固体電解コンデンサ |
| EP2109124B1 (en) | 2007-01-26 | 2017-03-29 | Showa Denko K.K. | Capacitor material, method for manufacturing the capacitor material, capacitor containing the capacitor material, wiring board and electronic device |
| EP2176872A2 (en) * | 2007-07-18 | 2010-04-21 | Cabot Corporation | Niobium suboxide- and niobium-tantalum-oxide-powders and capacitor anodes produced thereof |
| JP5289123B2 (ja) | 2009-03-23 | 2013-09-11 | 三洋電機株式会社 | 固体電解コンデンサ及びその製造方法 |
| US8298478B2 (en) * | 2009-04-24 | 2012-10-30 | Medtronic, Inc. | Method of preparing an electrode |
| US20100318140A1 (en) * | 2009-06-16 | 2010-12-16 | Medtronic, Inc. | Volumetric energy density electrodes |
| CN102021458B (zh) * | 2010-10-15 | 2012-05-30 | 北京航空航天大学 | 一种Nb-Ti-Si-Zn合金材料及其制备方法 |
| US9053860B2 (en) | 2010-12-24 | 2015-06-09 | Showa Denko K.K. | Tungsten powder, anode body for capacitors, and electrolytic capacitor |
| US20140233154A1 (en) | 2011-10-18 | 2014-08-21 | Showa Denko K.K. | Method of manufacturing anode body of capacitor |
| WO2013073253A1 (ja) | 2011-11-15 | 2013-05-23 | 昭和電工株式会社 | タングステン細粉の製造方法 |
| EP2786819A4 (en) | 2011-11-29 | 2015-09-16 | Showa Denko Kk | METHOD FOR PRODUCING A FINE TREATMENT OF TUNGSTEN |
| EP2797094A4 (en) * | 2011-12-19 | 2015-09-16 | Showa Denko Kk | TUNGSTEN CAPACITOR ANODE AND MANUFACTURING METHOD THEREFOR |
| JP5350564B1 (ja) | 2012-02-08 | 2013-11-27 | 昭和電工株式会社 | 固体電解コンデンサ |
| JP5412606B1 (ja) * | 2012-05-18 | 2014-02-12 | 昭和電工株式会社 | コンデンサ素子の製造方法 |
| US10032563B2 (en) | 2012-06-22 | 2018-07-24 | Showa Denko K.K. | Capacitor element |
| CN104246933B (zh) | 2012-06-22 | 2017-11-10 | 昭和电工株式会社 | 电容器的阳极体 |
| WO2013190885A1 (ja) | 2012-06-22 | 2013-12-27 | 昭和電工株式会社 | 固体電解コンデンサの陽極体 |
| US9721732B2 (en) * | 2013-06-06 | 2017-08-01 | Showa Denko K.K. | Solid electrolytic capacitor, and production method thereof |
| JP5671664B1 (ja) * | 2013-06-17 | 2015-02-18 | 昭和電工株式会社 | 固体電解コンデンサおよびその陽極リード接続方法並びに固体電解コンデンサの製造方法 |
| US20160372268A1 (en) * | 2013-06-18 | 2016-12-22 | Showa Denko K.K. | Capacitor anode and production method for same |
| WO2015029631A1 (ja) * | 2013-08-30 | 2015-03-05 | 昭和電工株式会社 | タングステン粉及びコンデンサの陽極体 |
| CN106663543A (zh) * | 2014-09-11 | 2017-05-10 | 昭和电工株式会社 | 钨电容器元件及其制造方法 |
| CN109952626B (zh) * | 2016-11-14 | 2021-10-26 | 株式会社村田制作所 | 固体电解电容器元件、固体电解电容器以及固体电解电容器元件的制造方法 |
| CN108831763B (zh) * | 2018-05-23 | 2020-01-21 | 湖南辰砾新材料有限公司 | 一种超级电容器电极材料及其制备方法 |
| WO2022064734A1 (ja) | 2020-09-25 | 2022-03-31 | パナソニックＩｐマネジメント株式会社 | 電解コンデンサおよびその製造方法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4633373A (en) * | 1984-12-14 | 1986-12-30 | United Chemi-Con, Inc. | Lithium/valve metal oxide/valve metal capacitor |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3597664A (en) * | 1969-12-05 | 1971-08-03 | Norton Co | Niobium-zirconium-titanium capacitor electrode |
| US3849124A (en) * | 1969-12-05 | 1974-11-19 | Norton Co | Capacitor powder |
| US5034857A (en) * | 1989-10-06 | 1991-07-23 | Composite Materials Technology, Inc. | Porous electrolytic anode |
| JPH05121275A (ja) | 1991-10-28 | 1993-05-18 | Sumitomo Chem Co Ltd | チタン電解コンデンサの製造方法 |
| US5733661A (en) * | 1994-11-11 | 1998-03-31 | Mitsubishi Chemical Corporation | High-permittivity composite oxide film and uses thereof |
| JPH11312628A (ja) | 1998-04-30 | 1999-11-09 | Nec Corp | 固体電解コンデンサ及び製造方法 |
| US6525921B1 (en) * | 1999-11-12 | 2003-02-25 | Matsushita Electric Industrial Co., Ltd | Capacitor-mounted metal foil and a method for producing the same, and a circuit board and a method for producing the same |
| US6545858B1 (en) * | 1999-11-30 | 2003-04-08 | Showa Denko K.K. | Capacitor |
-
2003
- 2003-07-02 TW TW092118048A patent/TWI225656B/zh not_active IP Right Cessation
- 2003-07-03 US US10/611,969 patent/US6876083B2/en not_active Expired - Lifetime
- 2003-07-25 CN CN200810149277.5A patent/CN101388290B/zh not_active Expired - Fee Related
- 2003-07-25 CN CNB031331890A patent/CN100490035C/zh not_active Expired - Fee Related
-
2008
- 2008-07-04 JP JP2008176344A patent/JP4275187B2/ja not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4633373A (en) * | 1984-12-14 | 1986-12-30 | United Chemi-Con, Inc. | Lithium/valve metal oxide/valve metal capacitor |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平11-312628A 1999.11.09 |
Also Published As
| Publication number | Publication date |
|---|---|
| TW200402745A (en) | 2004-02-16 |
| US6876083B2 (en) | 2005-04-05 |
| CN1474422A (zh) | 2004-02-11 |
| JP4275187B2 (ja) | 2009-06-10 |
| CN100490035C (zh) | 2009-05-20 |
| HK1061304A1 (zh) | 2004-09-10 |
| TWI225656B (en) | 2004-12-21 |
| JP2008235949A (ja) | 2008-10-02 |
| US20040016978A1 (en) | 2004-01-29 |
| CN101388290A (zh) | 2009-03-18 |
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