JP2005063904A - 絶縁被覆導電粒子 - Google Patents
絶縁被覆導電粒子 Download PDFInfo
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- JP2005063904A JP2005063904A JP2003295666A JP2003295666A JP2005063904A JP 2005063904 A JP2005063904 A JP 2005063904A JP 2003295666 A JP2003295666 A JP 2003295666A JP 2003295666 A JP2003295666 A JP 2003295666A JP 2005063904 A JP2005063904 A JP 2005063904A
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- 239000002245 particle Substances 0.000 title claims abstract description 82
- 238000009413 insulation Methods 0.000 title abstract description 7
- 239000011347 resin Substances 0.000 claims abstract description 65
- 229920005989 resin Polymers 0.000 claims abstract description 65
- 239000000853 adhesive Substances 0.000 claims abstract description 38
- 230000001070 adhesive effect Effects 0.000 claims abstract description 38
- -1 aziridine compound Chemical class 0.000 claims abstract description 24
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims abstract description 20
- 239000000178 monomer Substances 0.000 claims abstract description 7
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 6
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229920001577 copolymer Polymers 0.000 claims abstract description 4
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000003822 epoxy resin Substances 0.000 claims description 6
- 229920000647 polyepoxide Polymers 0.000 claims description 6
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Natural products C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 125000003917 carbamoyl group Chemical class [H]N([H])C(*)=O 0.000 claims 1
- 239000002904 solvent Substances 0.000 abstract description 16
- 239000010410 layer Substances 0.000 description 27
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 10
- 125000004069 aziridinyl group Chemical group 0.000 description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 7
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 6
- 238000003756 stirring Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 238000004132 cross linking Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000012790 adhesive layer Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002923 metal particle Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- KAPCRJOPWXUMSQ-UHFFFAOYSA-N [2,2-bis[3-(aziridin-1-yl)propanoyloxymethyl]-3-hydroxypropyl] 3-(aziridin-1-yl)propanoate Chemical compound C1CN1CCC(=O)OCC(COC(=O)CCN1CC1)(CO)COC(=O)CCN1CC1 KAPCRJOPWXUMSQ-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 150000001541 aziridines Chemical class 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000004581 coalescence Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000007772 electroless plating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- MSNOMDLPLDYDME-UHFFFAOYSA-N gold nickel Chemical compound [Ni].[Au] MSNOMDLPLDYDME-UHFFFAOYSA-N 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000004850 liquid epoxy resins (LERs) Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920006287 phenoxy resin Polymers 0.000 description 1
- 239000013034 phenoxy resin Substances 0.000 description 1
- 239000000088 plastic resin Substances 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000011342 resin composition Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J9/00—Adhesives characterised by their physical nature or the effects produced, e.g. glue sticks
- C09J9/02—Electrically-conducting adhesives
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/20—Conductive material dispersed in non-conductive organic material
- H01B1/22—Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/321—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by conductive adhesives
- H05K3/323—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by conductive adhesives by applying an anisotropic conductive adhesive layer over an array of pads
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/04—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation using electrically conductive adhesives
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/02—Fillers; Particles; Fibers; Reinforcement materials
- H05K2201/0203—Fillers and particles
- H05K2201/0206—Materials
- H05K2201/0224—Conductive particles having an insulating coating
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2991—Coated
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2991—Coated
- Y10T428/2998—Coated including synthetic resin or polymer
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Dispersion Chemistry (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Conductive Materials (AREA)
- Non-Insulated Conductors (AREA)
Abstract
【解決手段】 導電粒子の表面がカルボキシル基を有する絶縁性樹脂からなる絶縁性樹脂層で被覆されてなる絶縁被覆導電粒子の当該絶縁性樹脂層を、多官能アジリジン化合物で表面処理する。アジリジン化合物としては、例えば、トリメチロールプロパン−トリ−β−アジリジニルプロピオネート、テトラメチロールメタン−トリ−β−アジリジニルプロピオネート又はN,N−ヘキサメチレン−1,6−ビス−1−アジリジンカルボキシアミドが挙げられる。絶縁性樹脂層は、アクリル酸モノマー単位又はメタクリル酸モノマー単位を有する絶縁性樹脂から好ましくは構成される。具体的には、アクリル酸・スチレン共重合体が好ましい。
【選択図】 なし
Description
4μm径のスチレン系樹脂粒子の表面にNi/Au無電解メッキ層が形成された導電粒子(AU204、積水化学工業社)の表面を、常法により0.2μm厚で、アクリル酸・スチレン共重合体(PP−2000S、大日本インキ化学工業株式会社)で被覆することにより比較例1の絶縁被覆導電粒子を得た。
トリメチロールプロパン−トリ−β−アジリジニルプロピオネート(TAZM)5重量部をエタノール95重量部に溶解させた溶液を、比較例1で得られた絶縁被覆導電粒子に、まんべんなくスプレーし、100℃で加熱乾燥することにより架橋反応を行い、実施例1の絶縁被覆導電粒子を得た。
比較例1で得られた絶縁被覆導電粒子100重量部を、エタノール100重量部に分散させ、その分散液中に、トリメチロールプロパン−トリ−β−アジリジニルプロピオネート(TAZM)2重量部を添加し、撹拌分散させ、65℃で4時間加熱撹拌することにより架橋反応を行った後に濾別し、80℃で30分間乾燥することにより、実施例2の絶縁被覆導電粒子を得た。
トリメチロールプロパン−トリ−β−アジリジニルプロピオネート(TAZM)に代えて、テトラメチロールメタン−トリ−β−アジリジニルプロピオネート(TAZO)を使用すること以外、実施例2と同様の操作により、実施例3の絶縁被覆導電粒子を得た。
トリメチロールプロパン−トリ−β−アジリジニルプロピオネート(TAZM)に代えて、N,N−ヘキサメチレン−1,6−ビス−1−アジリジンカルボキシアミド(HDU)を使用すること以外、実施例2と同様の操作により、実施例4の絶縁被覆導電粒子を得た。
比較例1及び実施例1〜4のそれぞれの絶縁被覆導電粒子10重量部を、トルエン、MEK、又は酢酸エチルの3種類の溶剤90重量部に投入し、100時間、室温下に放置して絶縁被覆導電粒子を沈降させ、その上澄み液を採取した。採取した上澄み液を加熱して揮発性成分を除去し、不揮発成分の重量を測定した。この不揮発性成分が、溶剤に溶解した絶縁性樹脂の重量に相当する。絶縁性樹脂中の溶剤に溶解した割合(重量%)を表1に示す。
Claims (7)
- 導電粒子の表面が、カルボキシル基を有する絶縁性樹脂からなる絶縁性樹脂層で被覆されてなる絶縁被覆導電粒子であって、該絶縁性樹脂層が多官能アジリジン化合物で表面処理されていることを特徴とする絶縁被覆導電粒子。
- アジリジン化合物が、トリメチロールプロパン−トリ−β−アジリジニルプロピオネート、テトラメチロールメタン−トリ−β−アジリジニルプロピオネート又はN,N−ヘキサメチレン−1,6−ビス−1−アジリジンカルボキシアミドである請求項1記載の絶縁被覆導電粒子。
- 該絶縁性樹脂層が、アクリル酸モノマー単位又はメタクリル酸モノマー単位を有する絶縁性樹脂から構成されている請求項1又は2記載の絶縁被覆導電粒子。
- 該絶縁性樹脂が、アクリル酸・スチレン共重合体である請求項3記載の絶縁被覆導電粒子。
- カルボキシル基を有する絶縁性樹脂からなる絶縁性樹脂層で被覆された導電粒子の当該絶縁性樹脂層の表面を、多官能アジリジン化合物で表面処理することを特徴とする絶縁被覆導電粒子の製造方法。
- 請求項1〜4のいずれかに記載の絶縁被覆導電粒子が、絶縁性接着剤に分散してなることを特徴とする異方性導電接着剤。
- 絶縁性接着剤が、エポキシ樹脂を含有する請求項6記載の異方性導電接着剤。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003295666A JP4539813B2 (ja) | 2003-08-19 | 2003-08-19 | 絶縁被覆導電粒子 |
KR1020067001107A KR100845875B1 (ko) | 2003-08-19 | 2004-06-09 | 절연피복 도전입자 |
CN2004800236540A CN1836295B (zh) | 2003-08-19 | 2004-06-09 | 绝缘被覆导电粒子、其制备方法及各向异性导电粘合剂 |
EP04745699.1A EP1657725B1 (en) | 2003-08-19 | 2004-06-09 | Insulation-coated electroconductive particles |
PCT/JP2004/008024 WO2005017923A1 (ja) | 2003-08-19 | 2004-06-09 | 絶縁被覆導電粒子 |
US10/565,477 US7846547B2 (en) | 2003-08-19 | 2004-06-09 | Insulation-coated conductive particle |
TW093116806A TWI248090B (en) | 2003-08-19 | 2004-06-11 | Insulation-coated electroconductive particles |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003295666A JP4539813B2 (ja) | 2003-08-19 | 2003-08-19 | 絶縁被覆導電粒子 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009149217A Division JP5177439B2 (ja) | 2009-06-23 | 2009-06-23 | 絶縁被覆導電粒子 |
Publications (2)
Publication Number | Publication Date |
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JP2005063904A true JP2005063904A (ja) | 2005-03-10 |
JP4539813B2 JP4539813B2 (ja) | 2010-09-08 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2003295666A Expired - Lifetime JP4539813B2 (ja) | 2003-08-19 | 2003-08-19 | 絶縁被覆導電粒子 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7846547B2 (ja) |
EP (1) | EP1657725B1 (ja) |
JP (1) | JP4539813B2 (ja) |
KR (1) | KR100845875B1 (ja) |
CN (1) | CN1836295B (ja) |
TW (1) | TWI248090B (ja) |
WO (1) | WO2005017923A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007026981A1 (en) * | 2005-09-02 | 2007-03-08 | Cheil Industries Inc. | Insulated conductive particles and anisotropic conductive adhesive film using the same |
JP2010086665A (ja) * | 2008-09-29 | 2010-04-15 | Sekisui Chem Co Ltd | 絶縁被覆導電性粒子、異方性導電材料及び接続構造体 |
JP7430610B2 (ja) | 2020-08-31 | 2024-02-13 | 日本化学工業株式会社 | 被覆粒子及びその製造方法 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JP5099284B2 (ja) * | 2005-02-24 | 2012-12-19 | ソニーケミカル&インフォメーションデバイス株式会社 | 異方性接続シート材料 |
JP2008235556A (ja) * | 2007-03-20 | 2008-10-02 | Sumitomo Electric Ind Ltd | 配線板モジュール及び該配線板モジュールの製造方法 |
JP5402804B2 (ja) * | 2010-04-12 | 2014-01-29 | デクセリアルズ株式会社 | 発光装置の製造方法 |
US20130146816A1 (en) * | 2010-04-19 | 2013-06-13 | Trillion Science Inc. | One part epoxy resin including acrylic block copolymer |
JP5365816B2 (ja) * | 2011-07-27 | 2013-12-11 | デクセリアルズ株式会社 | 絶縁被覆導電粒子 |
US9475963B2 (en) | 2011-09-15 | 2016-10-25 | Trillion Science, Inc. | Fixed array ACFs with multi-tier partially embedded particle morphology and their manufacturing processes |
CN105295760A (zh) * | 2015-10-23 | 2016-02-03 | 浙江欧仁新材料有限公司 | 一种各向异性导电双面胶 |
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- 2004-06-09 EP EP04745699.1A patent/EP1657725B1/en not_active Expired - Lifetime
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WO2007026981A1 (en) * | 2005-09-02 | 2007-03-08 | Cheil Industries Inc. | Insulated conductive particles and anisotropic conductive adhesive film using the same |
JP2010086665A (ja) * | 2008-09-29 | 2010-04-15 | Sekisui Chem Co Ltd | 絶縁被覆導電性粒子、異方性導電材料及び接続構造体 |
JP7430610B2 (ja) | 2020-08-31 | 2024-02-13 | 日本化学工業株式会社 | 被覆粒子及びその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
TW200509144A (en) | 2005-03-01 |
CN1836295A (zh) | 2006-09-20 |
WO2005017923A1 (ja) | 2005-02-24 |
TWI248090B (en) | 2006-01-21 |
EP1657725B1 (en) | 2013-04-17 |
JP4539813B2 (ja) | 2010-09-08 |
CN1836295B (zh) | 2011-08-31 |
KR100845875B1 (ko) | 2008-07-14 |
KR20060059255A (ko) | 2006-06-01 |
EP1657725A1 (en) | 2006-05-17 |
EP1657725A4 (en) | 2012-07-18 |
US20060261315A1 (en) | 2006-11-23 |
US7846547B2 (en) | 2010-12-07 |
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