TWI377269B - - Google Patents

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Publication number
TWI377269B
TWI377269B TW094123991A TW94123991A TWI377269B TW I377269 B TWI377269 B TW I377269B TW 094123991 A TW094123991 A TW 094123991A TW 94123991 A TW94123991 A TW 94123991A TW I377269 B TWI377269 B TW I377269B
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TW
Taiwan
Prior art keywords
fine particles
conductive fine
gold
nickel film
film
Prior art date
Application number
TW094123991A
Other languages
English (en)
Other versions
TW200604377A (en
Inventor
Takashi Kubota
Original Assignee
Sekisui Chemical Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sekisui Chemical Co Ltd filed Critical Sekisui Chemical Co Ltd
Publication of TW200604377A publication Critical patent/TW200604377A/zh
Application granted granted Critical
Publication of TWI377269B publication Critical patent/TWI377269B/zh

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/31—Coating with metals
    • C23C18/42—Coating with noble metals
    • C23C18/44—Coating with noble metals using reducing agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/18—Non-metallic particles coated with metal
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/1601—Process or apparatus
    • C23C18/1633—Process of electroless plating
    • C23C18/1646—Characteristics of the product obtained
    • C23C18/165—Multilayered product
    • C23C18/1651—Two or more layers only obtained by electroless plating
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/31—Coating with metals
    • C23C18/42—Coating with noble metals
    • 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
    • H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/03—Contact members characterised by the material, e.g. plating, or coating materials
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Dispersion Chemistry (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemically Coating (AREA)
  • Conductive Materials (AREA)
  • Non-Insulated Conductors (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Powder Metallurgy (AREA)
  • Manufacturing Of Electrical Connectors (AREA)

Description

1377269 九、發明說明： 【發明所屬之技術領域】 本發明係關於導電性微粒子、導電性微粒子之製造方 法' 以及異向性導電材料’ W而言之，係關於金被膜之細 孔少而具有優異導電性之導電性微粒子、該導電性微粒子 之製造方法、以及使用該導電性微粒子之異向性導 料。 【先前技術】 以往，一直使用金、銀、鎳等之金屬粒子作為導電性 微粒子，由於比重大、形狀非固定，故有無法均勻地分 散於結合劑樹脂中之情形，而成為異向性導電材料之導電 性產生偏差之原因。 . r .相對於此，有報告提出，於作為芯材粒子之樹脂粒子、 破璃珠等非導電性粒子之表面，#由化學，鍍敷實施鎳或鎳 金4金屬被膜之導電性微粒子（例如，參照專利文獻1)。 於專利文獻1，揭示一種將實質為球狀之樹脂粉末粒 子，藉由化學鍍敷法形成金屬被膜之導電性化學鍍敷粉 另—方面，於具有鎳被膜之導電性微粒子實施鍍金時， 以往，係進行置換型化學鍍金。 因底層溶解所致之細孔（針孔） 然而’置換型化學鍍金’係利用底層鎳與金之離子化 傾向之差的方法，雖鍍敷液組成比較簡單而管理容易，但 相反地’由於當底層鎳完全被被覆之時間點反應即停止， 故析出膜厚薄，且有存在多數 5

Claims (1)

  1. l3?7269
    ’該導電性微粒 再於該鎳被膜表 十、申請專利範圍： 1. 一種導電性微粒子之製造方法， 具有於怎材粒子表面形成有鎳被膜、再 成有金被膜之構造，且使用硝酸將其進行溶 y 印成驗時，錄 之溶出量為30〜i〇〇pg/g ; ' 該導電性微粒子之製造方法具有以下步驟： 於底層鎳被膜之表面，使會引起底層鎳被膜表面產生 氧化反應、而不會引起析出金屬金的表面產生氧化反應之 還原劑存在，以使金鹽還原而析出金； 其中，還原劑係使用亞硫酸銨。 2.如申請專利範圍第1項之導電性微粒子之製造方 法’該鍍敷浴進而含有羥胺或氨基吡。定。 十一、圖式： (無） 18
TW094123991A 2004-07-15 2005-07-15 Conductive microparticle, process for producing the same and anisotropic conductive material TW200604377A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004208914 2004-07-15

Publications (2)

Publication Number Publication Date
TW200604377A TW200604377A (en) 2006-02-01
TWI377269B true TWI377269B (zh) 2012-11-21

Family

ID=35784023

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094123991A TW200604377A (en) 2004-07-15 2005-07-15 Conductive microparticle, process for producing the same and anisotropic conductive material

Country Status (7)

Country Link
US (1) US20070056403A1 (zh)
EP (1) EP1768132A1 (zh)
JP (1) JP4740137B2 (zh)
KR (1) KR101194201B1 (zh)
CN (1) CN1981347A (zh)
TW (1) TW200604377A (zh)
WO (1) WO2006006687A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI616897B (zh) * 2013-01-21 2018-03-01 Toray Industries 導電性微粒子

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JP2008218714A (ja) * 2007-03-05 2008-09-18 Bridgestone Corp 光透過性電磁波シールド材及びその製造方法、並びに貴金属の極薄膜を有する微粒子及びその製造方法
KR100892301B1 (ko) * 2007-04-23 2009-04-08 한화석유화학 주식회사 환원 및 치환금도금 방법을 이용한 도전볼 제조
JP5476210B2 (ja) * 2010-05-19 2014-04-23 積水化学工業株式会社 導電性粒子、異方性導電材料及び接続構造体
JP5940760B2 (ja) * 2010-05-19 2016-06-29 積水化学工業株式会社 導電性粒子、異方性導電材料及び接続構造体
TW201511296A (zh) * 2013-06-20 2015-03-16 Plant PV 用於矽太陽能電池之核-殼型鎳粒子金屬化層
JP6777380B2 (ja) * 2014-05-27 2020-10-28 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
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Publication number Priority date Publication date Assignee Title
TWI616897B (zh) * 2013-01-21 2018-03-01 Toray Industries 導電性微粒子

Also Published As

Publication number Publication date
TW200604377A (en) 2006-02-01
US20070056403A1 (en) 2007-03-15
WO2006006687A1 (ja) 2006-01-19
KR101194201B1 (ko) 2012-10-25
JPWO2006006687A1 (ja) 2008-05-01
EP1768132A1 (en) 2007-03-28
JP4740137B2 (ja) 2011-08-03
CN1981347A (zh) 2007-06-13
KR20070033373A (ko) 2007-03-26

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