JP5074082B2 - 導電性粒子体及びこれを用いた異方性導電接続材料、並びに導電性粒子体の製造方法 - Google Patents
導電性粒子体及びこれを用いた異方性導電接続材料、並びに導電性粒子体の製造方法 Download PDFInfo
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- JP5074082B2 JP5074082B2 JP2007107475A JP2007107475A JP5074082B2 JP 5074082 B2 JP5074082 B2 JP 5074082B2 JP 2007107475 A JP2007107475 A JP 2007107475A JP 2007107475 A JP2007107475 A JP 2007107475A JP 5074082 B2 JP5074082 B2 JP 5074082B2
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- 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
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- 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
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
- H01B5/16—Non-insulated conductors or conductive bodies characterised by their form comprising conductive material in insulating or poorly conductive material, e.g. conductive rubber
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- 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
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- 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
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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
- 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.]
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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
- 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
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- Dispersion Chemistry (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Organic Chemistry (AREA)
- Non-Insulated Conductors (AREA)
- Wire Bonding (AREA)
- Conductive Materials (AREA)
Description
また、本発明に係る導電性粒子体は、少なくとも表面が導電性を有する基材粒子と、上記基材粒子の表面を被覆するように絶縁性樹脂の微粒子の融着に基づく連続した絶縁性樹脂膜とを有し、少なくとも上記微粒子間に空隙を有する導電性粒子体において、上記絶縁性樹脂膜の上記空隙を含めた全体の体積を100%としたときの、上記全体の体積に対する上記空隙の体積の割合を示す空隙率が、19.1%〜38.1%である。
バンプ大きさ(Bump Size):30×85μm、ピッチ(Pitch):50μm 金バンプ(Au-Plated Bump)高さh=15μm
評価用ガラス基板(Glass):ITOパターン(PatternITO)10Ω/cm2、t=0.7mm
接着条件(Bonding Condition):190℃、40MPa、5sec
バンプ間隔(Bump Space):15,12.5,10,7.5μm バンプ高さ(Bump Height):15μm
接着条件(Bonding Condition):190℃、40MPa、5sec
N=16セット(10箇所(point)/セット(set))
Claims (8)
- 少なくとも表面が導電性を有する基材粒子と、上記基材粒子の表面を被覆するように絶縁性樹脂の微粒子の融着に基づく連続した絶縁性樹脂膜とを有し、少なくとも上記微粒子間に空隙を有する導電性粒子体において、
上記絶縁性樹脂膜の表面は上記空隙が存在せず均一状態となっており、上記絶縁性樹脂膜の内側である上記基材粒子側は上記空隙が確保されている導電性粒子体。 - 少なくとも表面が導電性を有する基材粒子と、上記基材粒子の表面を被覆するように絶縁性樹脂の微粒子の融着に基づく連続した絶縁性樹脂膜とを有し、少なくとも上記微粒子間に空隙を有する導電性粒子体において、
上記絶縁性樹脂膜の上記空隙を含めた全体の体積を100%としたときの、上記全体の体積に対する上記空隙の体積の割合を示す空隙率が、19.1%〜38.1%である導電性粒子体。 - 上記絶縁性樹脂膜は、上記基材粒子の表面から厚み方向に従って上記空隙が少なくなるように形成される、請求項1又は請求項2に記載の導電性粒子体。
- 上記微粒子は、架橋アクリル樹脂、スチレン−アクリル共重合体、ジビニルベンゼン−アクリル共重合体、スチレン−ジビニルベンゼン共重合体、メラミン−ホルムアルデヒド共重合体、シリコーン−アクリル共重合体、ポリアミド、ポリイミド、ポリブタジエン、NBRのうちから選択されるいずれかである請求項1〜3のいずれかに記載の導電性粒子体。
- 請求項1乃至請求項4のいずれか1項に記載の導電性粒子体が絶縁性接着剤中に分散してなる異方性導電接続材料。
- 架橋アクリル樹脂、スチレン−アクリル共重合体、ジビニルベンゼン−アクリル共重合体、スチレン−ジビニルベンゼン共重合体、メラミン−ホルムアルデヒド共重合体、シリコーン−アクリル共重合体、ポリアミド、ポリイミド、ポリブタジエン、NBRのうちから選択されるいずれかの絶縁性樹脂の微粒子を、少なくとも表面が導電性を有する基材粒子の表面に衝突させて上記表面に付着させることにより、上記基材粒子の表面に絶縁性樹脂膜を被覆させる導電性粒子体の製造方法。
- 上記絶縁性樹脂膜を被覆させる際に、上記絶縁性樹脂膜の空隙を含めた全体の体積を100%としたときの、上記全体の体積に対する上記空隙の体積の割合を示す空隙率が19.1%〜38.1%となるように、上記微粒子間に上記空隙を有するように上記微粒子を上記基材粒子の表面に付着させる請求項6記載の導電性粒子体の製造方法。
- 少なくとも表面が導電性を有する基材粒子の表面に、絶縁性樹脂の微粒子を衝突させて、空隙を有する初期状態の絶縁性樹脂膜を形成する第1の工程と、
上記絶縁性樹脂膜の表面の空隙を減少させるとともに、上記絶縁性樹脂膜の上記基材粒子側の空隙は維持する程度まで上記微粒子の衝突を継続する第2の工程とを有する導電性粒子体の製造方法。
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007107475A JP5074082B2 (ja) | 2007-04-16 | 2007-04-16 | 導電性粒子体及びこれを用いた異方性導電接続材料、並びに導電性粒子体の製造方法 |
TW097112613A TWI486976B (zh) | 2007-04-16 | 2008-04-08 | Conductive particles and an anisotropic conductive connecting material using the same, and a method for producing a conductive particle body |
KR1020097017355A KR101402508B1 (ko) | 2007-04-16 | 2008-04-11 | 도전성 입자체 및 이것을 이용한 이방성 도전 접속 재료, 및 도전성 입자체의 제조 방법 |
US12/515,118 US8309224B2 (en) | 2007-04-16 | 2008-04-11 | Conductive particle, anisotropic conductive interconnection material that uses the conductive particle, and method for producing the conductive particle |
CN2008800124134A CN101681692B (zh) | 2007-04-16 | 2008-04-11 | 导电性粒子体及使用该粒子体的各向异性导电连接材料、以及导电性粒子体的制造方法 |
PCT/JP2008/057150 WO2008133037A1 (ja) | 2007-04-16 | 2008-04-11 | 導電性粒子体及びこれを用いた異方性導電接続材料、並びに導電性粒子体の製造方法 |
HK10106550.7A HK1140575A1 (en) | 2007-04-16 | 2010-07-06 | Electrically conductive particle, anisotropic conductive connection material, and method for production of electrically conductive particle |
US12/982,184 US8846142B2 (en) | 2007-04-16 | 2010-12-30 | Conductive particle, anisotropic conductive interconnection material that uses the conductive particle, and method for producing the conductive particle |
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JP2007107475A JP5074082B2 (ja) | 2007-04-16 | 2007-04-16 | 導電性粒子体及びこれを用いた異方性導電接続材料、並びに導電性粒子体の製造方法 |
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JP5074082B2 true JP5074082B2 (ja) | 2012-11-14 |
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US (2) | US8309224B2 (ja) |
JP (1) | JP5074082B2 (ja) |
KR (1) | KR101402508B1 (ja) |
CN (1) | CN101681692B (ja) |
HK (1) | HK1140575A1 (ja) |
TW (1) | TWI486976B (ja) |
WO (1) | WO2008133037A1 (ja) |
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JP4957838B2 (ja) | 2009-08-06 | 2012-06-20 | 日立化成工業株式会社 | 導電性微粒子及び異方性導電材料 |
JP5554077B2 (ja) * | 2009-09-15 | 2014-07-23 | 株式会社日本触媒 | 絶縁性微粒子被覆導電性微粒子、異方性導電接着剤組成物、および異方性導電成形体 |
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 |
JP5650611B2 (ja) | 2011-08-23 | 2015-01-07 | デクセリアルズ株式会社 | 異方性導電フィルム、異方性導電フィルムの製造方法、接続方法、及び接合体 |
KR101403865B1 (ko) * | 2011-12-16 | 2014-06-10 | 제일모직주식회사 | 이방성 도전 필름용 조성물, 이방성 도전 필름 및 반도체 장치 |
JP6289831B2 (ja) * | 2013-07-29 | 2018-03-07 | デクセリアルズ株式会社 | 導電性接着フィルムの製造方法、導電性接着フィルム、接続体の製造方法 |
CN104576966B (zh) * | 2014-12-31 | 2017-02-01 | 北京维信诺科技有限公司 | 一种柔性显示装置及其制备方法 |
KR101763556B1 (ko) * | 2015-03-06 | 2017-08-16 | (주)뉴옵틱스 | 전도성 플레이트 |
US20190100663A1 (en) * | 2017-10-03 | 2019-04-04 | Shin-Etsu Chemical Co., Ltd. | Anisotropic conductive film and method for manufacturing anisotropic conductive film |
KR20210041661A (ko) * | 2019-10-07 | 2021-04-16 | 삼성디스플레이 주식회사 | 표시모듈 제조장치 및 표시모듈 제조방법 |
KR20220090647A (ko) | 2020-12-22 | 2022-06-30 | 삼성디스플레이 주식회사 | 이방성 도전 필름을 포함하는 표시 장치 및 표시 장치의 제조 방법 |
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KR19980081191A (ko) * | 1997-04-08 | 1998-11-25 | 모리시다요이치 | 도전성 페이스트 및 그 제조방법과 그것을 이용한 프린트 배선기판 |
TW557237B (en) | 2001-09-14 | 2003-10-11 | Sekisui Chemical Co Ltd | Coated conductive particle, coated conductive particle manufacturing method, anisotropic conductive material, and conductive connection structure |
KR100589799B1 (ko) * | 2003-05-06 | 2006-06-14 | 한화석유화학 주식회사 | 이방성 도전접속용 절연 도전성 입자, 이의 제조방법 및이를 이용한 제품 |
JP4387175B2 (ja) | 2003-07-07 | 2009-12-16 | 積水化学工業株式会社 | 被覆導電性粒子、異方性導電材料及び導電接続構造体 |
CN100437838C (zh) * | 2003-07-07 | 2008-11-26 | 积水化学工业株式会社 | 包覆导电性粒子、各向异性导电材料以及导电连接结构体 |
JP4724369B2 (ja) * | 2003-09-29 | 2011-07-13 | ソニーケミカル&インフォメーションデバイス株式会社 | 導電粒子の製造方法 |
KR100597391B1 (ko) * | 2004-05-12 | 2006-07-06 | 제일모직주식회사 | 절연 전도성 미립자 및 이를 함유하는 이방 전도성 접착필름 |
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- 2008-04-11 WO PCT/JP2008/057150 patent/WO2008133037A1/ja active Application Filing
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Also Published As
Publication number | Publication date |
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TW200849286A (en) | 2008-12-16 |
KR101402508B1 (ko) | 2014-06-03 |
WO2008133037A1 (ja) | 2008-11-06 |
CN101681692A (zh) | 2010-03-24 |
CN101681692B (zh) | 2012-11-14 |
US8309224B2 (en) | 2012-11-13 |
KR20090129991A (ko) | 2009-12-17 |
JP2008269816A (ja) | 2008-11-06 |
US8846142B2 (en) | 2014-09-30 |
TWI486976B (zh) | 2015-06-01 |
US20110095235A1 (en) | 2011-04-28 |
HK1140575A1 (en) | 2010-10-15 |
US20100051878A1 (en) | 2010-03-04 |
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