KR100601562B1 - 전극 조립체 및 이를 이용한 리튬 이차 전지 - Google Patents
전극 조립체 및 이를 이용한 리튬 이차 전지 Download PDFInfo
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- KR100601562B1 KR100601562B1 KR1020040059959A KR20040059959A KR100601562B1 KR 100601562 B1 KR100601562 B1 KR 100601562B1 KR 1020040059959 A KR1020040059959 A KR 1020040059959A KR 20040059959 A KR20040059959 A KR 20040059959A KR 100601562 B1 KR100601562 B1 KR 100601562B1
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- negative electrode
- electrode
- positive electrode
- electrode assembly
- tab
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 15
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 claims abstract description 19
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 16
- 239000011248 coating agent Substances 0.000 claims description 15
- 238000000576 coating method Methods 0.000 claims description 15
- 229910052782 aluminium Inorganic materials 0.000 claims description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 11
- 239000007773 negative electrode material Substances 0.000 claims description 8
- 229910052759 nickel Inorganic materials 0.000 claims description 8
- 229910000838 Al alloy Inorganic materials 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 claims description 6
- 239000007774 positive electrode material Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 238000004049 embossing Methods 0.000 claims description 4
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 3
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 4
- 239000000758 substrate Substances 0.000 abstract description 2
- 238000003466 welding Methods 0.000 description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 229910052719 titanium Inorganic materials 0.000 description 4
- 239000010936 titanium Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000006257 cathode slurry Substances 0.000 description 2
- 239000006258 conductive agent Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000011267 electrode slurry Substances 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
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- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 229920000647 polyepoxide Polymers 0.000 description 1
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Images
Classifications
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- H—ELECTRICITY
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- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/70—Carriers or collectors characterised by shape or form
- H01M4/72—Grids
- H01M4/74—Meshes or woven material; Expanded metal
- H01M4/742—Meshes or woven material; Expanded metal perforated material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
- H01M50/533—Electrode connections inside a battery casing characterised by the shape of the leads or tabs
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
- H01M50/534—Electrode connections inside a battery casing characterised by the material of the leads or tabs
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
- H01M50/536—Electrode connections inside a battery casing characterised by the method of fixing the leads to the electrodes, e.g. by welding
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/552—Terminals characterised by their shape
- H01M50/559—Terminals adapted for cells having curved cross-section, e.g. round, elliptic or button cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
- H01M50/586—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries inside the batteries, e.g. incorrect connections of electrodes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
- H01M50/59—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries characterised by the protection means
- H01M50/593—Spacers; Insulating plates
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/70—Carriers or collectors characterised by shape or form
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- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49108—Electric battery cell making
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Cell Electrode Carriers And Collectors (AREA)
Abstract
Description
Claims (14)
- 삭제
- 양극 및 음극 집전체 상에 각각 양극 활물질 및 음극 활물질이 도포되고, 상기 양극 활물질 및 음극 활물질이 도포되지 않은 양극 무지부 및 음극 무지부에 각각 양극 탭 및 음극 탭이 연결되어 있는 양극판과, 음극판 및 상기 두 극판 사이를 절연시키기 위해 개재된 세퍼레이터가 권취되어 있는 전극 조립체에 있어서,상기 양극 탭, 음극 탭, 양극 무지부, 및 음극 무지부 중 적어도 하나에 제조공정 이력을 확인할 수 있는 식별표시가 형성되며, 상기 식별표시는 숫자, 문자, 도형, 돌기, 또는 천공의 형태로 구성되는 것을 특징으로 하는 전극 조립체.
- 제 2항에 있어서, 상기 식별표시는 레이저에 의해 형성되는 것을 특징으로 하는 전극 조립체.
- 제 2항에 있어서, 상기 식별표시는 미세 타공에 의해 형성되는 것을 특징으로 하는 전극 조립체.
- 제 2항에 있어서, 상기 식별표시는 엠보싱에 의해 형성되는 것을 특징으로 하는 전극 조립체.
- 제 2항에 있어서, 상기 양극 탭은 알루미늄 또는 알루미늄 합금으로 이루어지는 것을 특징으로 하는 전극 조립체.
- 제 2항에 있어서, 상기 양극 탭은 상기 양극 무지부에 점용접, 레이저용접, 또는 초음파용접되어 있는 것을 특징으로 하는 전극 조립체.
- 제 2항에 있어서, 상기 양극 탭은 상기 양극 무지부에 도전성 접착제를 사용하여 접속되어 있는 것을 특징으로 하는 전극 조립체.
- 제 2항에 있어서, 상기 음극 탭은 니켈 또는 니켈 합금으로 이루어지는 것을 특징으로 하는 전극 조립체.
- 제 2항에 있어서, 상기 음극 탭은 상기 음극 무지부에 점용접, 레이저용접, 또는 초음파용접되어 있는 것을 특징으로 하는 전극 조립체.
- 제 2항에 있어서, 상기 음극 탭은 상기 음극 무지부에 도전성 접착제를 사용하여 접속되어 있는 것을 특징으로 하는 전극 조립체.
- 제 2항에 있어서, 상기 양극 집전체는 알루미늄 또는 알루미늄 합금으로 이루어지는 것을 특징으로 하는 전극 조립체.
- 제 2항에 있어서, 상기 음극 집전체는 구리 또는 구리 합금으로 이루어지는 것을 특징으로 하는 전극 조립체.
- 제 2항 내지 제 13항 중 어느 한 항에 따른 전극 조립체와,상기 전극 조립체를 수납하는 캔과,상기 캔의 상부에 결합되는 캡 조립체를 포함하는 리튬 이차 전지.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040059959A KR100601562B1 (ko) | 2004-07-29 | 2004-07-29 | 전극 조립체 및 이를 이용한 리튬 이차 전지 |
JP2005094955A JP4749015B2 (ja) | 2004-07-29 | 2005-03-29 | 電極組立体及びこれを用いたリチウム二次電池 |
US11/191,018 US8318345B2 (en) | 2004-07-29 | 2005-07-28 | Electrode assembly and lithium rechargeable battery using the same |
CNB2005100888860A CN100413121C (zh) | 2004-07-29 | 2005-07-29 | 电极组件以及使用其的锂可再充电电池 |
US13/565,578 US20120295145A1 (en) | 2004-07-29 | 2012-08-02 | Electrode assembly and lithium rechargeable battery using the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040059959A KR100601562B1 (ko) | 2004-07-29 | 2004-07-29 | 전극 조립체 및 이를 이용한 리튬 이차 전지 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060011247A KR20060011247A (ko) | 2006-02-03 |
KR100601562B1 true KR100601562B1 (ko) | 2006-07-19 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020040059959A Expired - Fee Related KR100601562B1 (ko) | 2004-07-29 | 2004-07-29 | 전극 조립체 및 이를 이용한 리튬 이차 전지 |
Country Status (4)
Country | Link |
---|---|
US (2) | US8318345B2 (ko) |
JP (1) | JP4749015B2 (ko) |
KR (1) | KR100601562B1 (ko) |
CN (1) | CN100413121C (ko) |
Families Citing this family (53)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007220576A (ja) * | 2006-02-20 | 2007-08-30 | Hitachi Maxell Ltd | 電池パック |
TW200742150A (en) * | 2006-04-19 | 2007-11-01 | Exa Energy Technology Co Ltd | Method for producing secondary battery |
KR100903502B1 (ko) | 2006-07-19 | 2009-06-17 | 주식회사 엘지화학 | 유/무기 복합체가 도입된 전극 및 상기 전극을 포함하는 전기화학소자 |
US7479881B2 (en) * | 2006-08-07 | 2009-01-20 | International Business Machines Corporation | System and method for RFID tag hole puncher |
WO2008038971A1 (en) * | 2006-09-25 | 2008-04-03 | Lg Chem, Ltd. | Novel separator and electrochemical device comprising the same |
DE102007057703A1 (de) * | 2007-11-30 | 2009-06-04 | Robert Bosch Gmbh | Akkumulator, Verwendung von Identifikationsmitteln sowie Verfahren zur Identifikation |
CN102473956A (zh) * | 2009-06-30 | 2012-05-23 | 松下电器产业株式会社 | 非水电解质二次电池 |
DE102009052480A1 (de) * | 2009-11-09 | 2011-05-12 | Li-Tec Battery Gmbh | Elektroenergiezelle und Elektroenergieeinheit |
US8876917B2 (en) | 2010-03-08 | 2014-11-04 | Hitachi Maxell, Ltd. | Lithium-ion secondary battery |
JP5670757B2 (ja) * | 2011-01-04 | 2015-02-18 | 日立マクセル株式会社 | リチウムイオン二次電池 |
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US20060040181A1 (en) | 2006-02-23 |
KR20060011247A (ko) | 2006-02-03 |
US20120295145A1 (en) | 2012-11-22 |
US8318345B2 (en) | 2012-11-27 |
JP2006040875A (ja) | 2006-02-09 |
JP4749015B2 (ja) | 2011-08-17 |
CN1728419A (zh) | 2006-02-01 |
CN100413121C (zh) | 2008-08-20 |
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