WO2006085481A1 - 導電性微粒子、異方性導電材料、及び導電接続方法 - Google Patents
導電性微粒子、異方性導電材料、及び導電接続方法 Download PDFInfo
- Publication number
- WO2006085481A1 WO2006085481A1 PCT/JP2006/301836 JP2006301836W WO2006085481A1 WO 2006085481 A1 WO2006085481 A1 WO 2006085481A1 JP 2006301836 W JP2006301836 W JP 2006301836W WO 2006085481 A1 WO2006085481 A1 WO 2006085481A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fine particles
- electrically conductive
- particles
- conductive fine
- plating
- 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.)
- Ceased
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Classifications
-
- 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
- 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
Definitions
- the present invention relates to conductive fine particles, anisotropic conductive material, and conductive connection method.
- connection object in which the anisotropic conductive material is used examples include parts such as a substrate and a semiconductor. Electrode portions are respectively formed on these surfaces.
- the anisotropic conductive material of the present invention for example, when electrodes are connected using an anisotropic conductive film, thermocompression bonding is performed at 120 ° C. or higher as described above.
- the conductive connection method of the present invention the conductive fine particles of the present invention are heated on the surface of the electrode to cause metal thermal diffusion to form an alloy film of silver bismuth tin and to form a softened alloy film. A part is made to flow on the electrode surface to enlarge the contact area.
- the copper purity of the copper metal particles in the present invention is not particularly limited, but is preferably 95% by weight or more, more preferably 99% by weight or more. If the purity of the copper is less than 95% by weight, for example, when used in a plasma display panel, it may be difficult to ensure connection reliability when a large current flows.
- the substrate particles are copper metal particles
- the method for purifying the surface of the copper metal particles is not particularly limited, and examples thereof include a wet method using persulfate and the like, a dry method using plasma, etc. Among them, the treatment method is simple. Therefore, the wet method is preferably used.
- the above-described method based on the base catalyst type reduction plating causes a reduction agent that causes an oxidation reaction on the surface of the base metal and does not cause an oxidation reaction on the surface of the deposited metal.
- a metal film is formed by reducing and precipitating a metal salt.
- the concentration of the nickel salt in the plating bath is preferably 0.01 to 0.1 ImolZl.
- the above-described method using a self-catalyzed reduced tin plating is a method of forming a tin plating coating by a disproportionation reaction as a self-catalytic reducing tin plating after a substituted tin plating coating is formed. .
- the concentration of titanium salt as a reducing agent in the above bath is preferably 0.12-0.8 mol / l.
- the concentration of darioxylic acid as a crystal adjusting agent in the above-mentioned bath is preferably 0.001 to 0.005 molZl.
- the pH adjusting agent for adjusting pH in the above-mentioned bath is, for example, ammonia when adjusting to the alkalinity side, sulfuric acid when adjusting to the acidic side, Examples include hydrochloric acid, and sulfuric acid is preferable.
- the concentration of the imidazole compound as the reducing agent in the plating bath is preferably 0.04-0.lmol / 1.
- the bath temperature of the above-mentioned bath is preferably 10-30 ° C.
- the resin of the insulating resin binder is not particularly limited, and examples thereof include a butyl resin such as a butyl acetate resin, a vinyl chloride resin, an acrylic resin, and a styrene resin; Resins, ethylene acetate butyl copolymer, polyamide resins, and other thermoplastic resins; epoxy resins, urethane resins, polyimide resins, unsaturated polyester resins, and curable resins composed of these curing agents; styrene Butadiene / styrene block copolymer, styrene / isoprene / styrene block copolymer, thermoplastic block copolymers such as hydrogenated products thereof; styrene-butadiene copolymer rubber, chloroprene rubber, acrylonitrile / styrene block Examples include elastomers such as copolymer rubber (rubbers). These resins may be
- the anisotropic conductive material and conductive connection method using the conductive fine particles of the present invention have a low connection resistance and a large current capacity at the time of connection even when used in a plasma display panel.
- the connection was prevented by migration and the connection reliability was high.
- FIG. 1 is a front sectional view schematically showing one structural example of the conductive fine particles of the present invention.
- Conductive fine particles were obtained in the same manner as in Example 1 except that dibulebenzene resin fine particles having an average particle diameter of 4 ⁇ m were used in place of the copper metal particles.
- epoxy resin manufactured by Japan Epoxy Resin, “Epicote 828”
- 2 parts by weight of trisdimethylaminoethylphenol 2 parts by weight of trisdimethylaminoethylphenol
- 100 parts by weight of toluene were obtained.
- An adhesive film was obtained.
- the content of conductive fine particles was 50,000 Zcm 2 in the film.
- Example 1 and Example 2 showed less resistance increase after the PCT test than Comparative Example 1, and no leakage current between the electrodes. This is thought to be because silver migration occurred in Comparative Example 1 whereas migration was prevented in Example 1.
- Each conductive fine particle obtained in 0.5 weight. / 0 after applying a composition in which 1.5% by weight of silica spacer is dispersed on one glass substrate, the other glass substrate is aligned and bonded so that the electrode patterns overlap, By thermocompression bonding, a test piece in the form of IT ⁇ Z conductive fine particle paste / soot was prepared. By applying a current of 10 mA and a voltage of 100 V to this test piece, it was judged whether or not high voltage could be handled by checking whether or not the conductive fine particles were destroyed.
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Conductive Materials (AREA)
- Non-Insulated Conductors (AREA)
- Powder Metallurgy (AREA)
- Chemically Coating (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007502581A JP4922916B2 (ja) | 2005-02-09 | 2006-02-03 | 導電性微粒子、異方性導電材料、及び導電接続方法 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005033497 | 2005-02-09 | ||
| JP2005-033497 | 2005-02-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2006085481A1 true WO2006085481A1 (ja) | 2006-08-17 |
Family
ID=36793055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2006/301836 Ceased WO2006085481A1 (ja) | 2005-02-09 | 2006-02-03 | 導電性微粒子、異方性導電材料、及び導電接続方法 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP4922916B2 (ja) |
| KR (1) | KR20070100967A (ja) |
| CN (1) | CN101111903A (ja) |
| TW (1) | TW200632134A (ja) |
| WO (1) | WO2006085481A1 (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009110095A1 (ja) * | 2008-03-07 | 2009-09-11 | 富士通株式会社 | 導電材料、導電ペースト、回路基板、及び半導体装置 |
| JP2012122122A (ja) * | 2010-12-10 | 2012-06-28 | Noritake Co Ltd | 硫黄含有ニッケル粒子とその製造方法 |
| JP5585750B1 (ja) * | 2014-01-30 | 2014-09-10 | 千住金属工業株式会社 | Cu核ボール、はんだ継手、フォームはんだ、およびはんだペースト |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4821396B2 (ja) * | 2006-03-27 | 2011-11-24 | 住友金属鉱山株式会社 | 導電性組成物及び導電膜形成方法 |
| KR101219139B1 (ko) * | 2009-12-24 | 2013-01-07 | 제일모직주식회사 | 이방 도전성 페이스트, 필름 및 이를 포함하는 회로접속구조체 |
| JP5636118B2 (ja) * | 2012-10-02 | 2014-12-03 | 積水化学工業株式会社 | 導電性粒子、導電材料及び接続構造体 |
| JP5985414B2 (ja) * | 2013-02-19 | 2016-09-06 | デクセリアルズ株式会社 | 異方性導電接着剤、発光装置及び異方性導電接着剤の製造方法 |
| CN103215575A (zh) * | 2013-04-26 | 2013-07-24 | 中国矿业大学(北京) | 金属纳米线焊接新方法 |
| WO2017135058A1 (ja) | 2016-02-01 | 2017-08-10 | 株式会社村田製作所 | 電子部品およびその製造方法 |
| CN109727701A (zh) * | 2017-10-27 | 2019-05-07 | 玮锋科技股份有限公司 | 共晶式异方性导电膜及制作方法 |
| US11072711B2 (en) * | 2017-12-22 | 2021-07-27 | Eckart Gmbh | Electrically conductive particles, composition, article and method of manufacturing electrically conductive particles |
| JP7452418B2 (ja) | 2018-06-26 | 2024-03-19 | 株式会社レゾナック | 異方性導電フィルム及びその製造方法並びに接続構造体の製造方法 |
| CN112543693A (zh) | 2018-06-26 | 2021-03-23 | 昭和电工材料株式会社 | 焊料粒子 |
| JP7480789B2 (ja) * | 2019-12-27 | 2024-05-10 | 株式会社レゾナック | 接続構造体及び接続構造体の製造方法 |
| CN111261316B (zh) * | 2020-02-25 | 2021-08-10 | 轻工业部南京电光源材料科学研究所 | 一种导电粒子和包含此导电粒子的紫外光固化导电银浆 |
| WO2022004541A1 (ja) * | 2020-07-03 | 2022-01-06 | 三菱マテリアル電子化成株式会社 | 金属被覆樹脂粒子及びその製造方法、金属被覆樹脂粒子を含む導電性ペースト並びに導電性フィルム |
| CN113573498A (zh) * | 2021-06-21 | 2021-10-29 | 深圳市信维通信股份有限公司 | 一种低熔点导电膏及其制备方法 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002013205A1 (en) * | 2000-08-04 | 2002-02-14 | Sekisui Chemical Co., Ltd. | Conductive fine particles, method for plating fine particles, and substrate structural body |
| JP2002075057A (ja) * | 2000-08-30 | 2002-03-15 | Mitsui Mining & Smelting Co Ltd | 被覆銅粉 |
| JP2003068145A (ja) * | 2001-08-23 | 2003-03-07 | Sekisui Chem Co Ltd | 導電性微粒子及び導電接続構造体 |
| JP2004047343A (ja) * | 2002-07-15 | 2004-02-12 | Ube Nitto Kasei Co Ltd | 導電性粒子およびその製造方法 |
| JP2004152660A (ja) * | 2002-10-31 | 2004-05-27 | Shin Etsu Chem Co Ltd | 導電性粉体及びその製造方法並びに導電性シリコーンゴム組成物 |
-
2006
- 2006-02-03 CN CNA2006800034849A patent/CN101111903A/zh active Pending
- 2006-02-03 WO PCT/JP2006/301836 patent/WO2006085481A1/ja not_active Ceased
- 2006-02-03 KR KR1020077018198A patent/KR20070100967A/ko not_active Withdrawn
- 2006-02-03 JP JP2007502581A patent/JP4922916B2/ja not_active Expired - Lifetime
- 2006-02-08 TW TW095104141A patent/TW200632134A/zh unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002013205A1 (en) * | 2000-08-04 | 2002-02-14 | Sekisui Chemical Co., Ltd. | Conductive fine particles, method for plating fine particles, and substrate structural body |
| JP2002075057A (ja) * | 2000-08-30 | 2002-03-15 | Mitsui Mining & Smelting Co Ltd | 被覆銅粉 |
| JP2003068145A (ja) * | 2001-08-23 | 2003-03-07 | Sekisui Chem Co Ltd | 導電性微粒子及び導電接続構造体 |
| JP2004047343A (ja) * | 2002-07-15 | 2004-02-12 | Ube Nitto Kasei Co Ltd | 導電性粒子およびその製造方法 |
| JP2004152660A (ja) * | 2002-10-31 | 2004-05-27 | Shin Etsu Chem Co Ltd | 導電性粉体及びその製造方法並びに導電性シリコーンゴム組成物 |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009110095A1 (ja) * | 2008-03-07 | 2009-09-11 | 富士通株式会社 | 導電材料、導電ペースト、回路基板、及び半導体装置 |
| CN101965617B (zh) * | 2008-03-07 | 2013-03-06 | 富士通株式会社 | 导电材料、导电膏、电路板以及半导体器件 |
| JP5212462B2 (ja) * | 2008-03-07 | 2013-06-19 | 富士通株式会社 | 導電材料、導電ペースト、回路基板、及び半導体装置 |
| US8673050B2 (en) | 2008-03-07 | 2014-03-18 | Fujitsu Limited | Conductive material, conductive paste, circuit board, and semiconductor device |
| US9402313B2 (en) | 2008-03-07 | 2016-07-26 | Fujitsu Limited | Conductive material, conductive paste, circuit board, and semiconductor device |
| JP2012122122A (ja) * | 2010-12-10 | 2012-06-28 | Noritake Co Ltd | 硫黄含有ニッケル粒子とその製造方法 |
| JP5585750B1 (ja) * | 2014-01-30 | 2014-09-10 | 千住金属工業株式会社 | Cu核ボール、はんだ継手、フォームはんだ、およびはんだペースト |
| WO2015114771A1 (ja) * | 2014-01-30 | 2015-08-06 | 千住金属工業株式会社 | Cu核ボール、はんだ継手、フォームはんだ、およびはんだペースト |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101111903A (zh) | 2008-01-23 |
| JPWO2006085481A1 (ja) | 2008-06-26 |
| JP4922916B2 (ja) | 2012-04-25 |
| TW200632134A (en) | 2006-09-16 |
| KR20070100967A (ko) | 2007-10-15 |
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