WO2007058108A1 - 異方導電接着剤 - Google Patents
異方導電接着剤 Download PDFInfo
- Publication number
- WO2007058108A1 WO2007058108A1 PCT/JP2006/322346 JP2006322346W WO2007058108A1 WO 2007058108 A1 WO2007058108 A1 WO 2007058108A1 JP 2006322346 W JP2006322346 W JP 2006322346W WO 2007058108 A1 WO2007058108 A1 WO 2007058108A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- anisotropic conductive
- conductive adhesive
- film
- space
- adhesive
- Prior art date
Links
Classifications
-
- 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
-
- 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
-
- 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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/35—Heat-activated
-
- 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
-
- 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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/20—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive itself
- C09J2301/204—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive itself the adhesive coating being discontinuous
-
- 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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/314—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive layer and/or the carrier being conductive
-
- 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
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/05—Patterning and lithography; Masks; Details of resist
- H05K2203/0502—Patterning and lithography
- H05K2203/0522—Using an adhesive pattern
Definitions
- the present invention relates to an anisotropic conductive adhesive, particularly an anisotropic conductive adhesive suitable for connection of outer peripheral electrodes.
- an anisotropic conductive film in which an anisotropic conductive adhesive in which conductive particles are dispersed in a thermosetting adhesive is formed into a film, or an anisotropic conductive adhesive in a liquid state.
- ACF anisotropic conductive film
- ACP prepared anisotropic conductive paste
- the product form of film-like anisotropic conductive adhesive is usually formed by laminating a solid anisotropic conductive film 4 on a base film 2 like the anisotropic conductive adhesive 1 shown in FIG. It has been wound on a reel.
- the conventional anisotropic conductive adhesive 1 only the electrode surrounding the space, such as the electrode surrounding the CMOS sensor (hereinafter referred to as the outer electrode! /) May be selected. Therefore, the force required to apply the anisotropic conductive film 4 to each electrode on each side of the outer peripheral electrode in this case increases the tact time of mounting.
- An object of the present invention is to provide an anisotropic conductive adhesive that can be easily mounted on an outer peripheral electrode.
- the following anisotropic conductive adhesive is provided.
- It consists of an anisotropic conductive film formed by dispersing conductive particles in an insulating adhesive on the base film,
- An anisotropic conductive adhesive comprising a space in which the pattern of the anisotropic conductive film is spaced apart from each other at a plurality of locations. 2.
- the anisotropic conductive adhesive according to any one of 1 to 4, which is used for an image sensor.
- an anisotropic conductive adhesive that can be easily mounted on the outer peripheral electrode can be provided.
- FIG. 1 (a) is a plan view of an anisotropic conductive adhesive of Embodiment 1, and (b) is a cross-sectional view taken along line AA.
- FIG. 2 is a perspective view of an anisotropic conductive adhesive according to Embodiment 1.
- FIG. 3 is a plan view showing a modification of the first embodiment.
- FIG. 4 (a) is a plan view of the anisotropic conductive adhesive of Embodiment 2, and (b) is a cross-sectional view taken along line BB.
- FIG. 5 is a perspective view of an anisotropic conductive adhesive according to Embodiment 2.
- FIG. 6 (a) is a sectional view showing an example of mounting in an image sensor (camera) for a mobile phone using the anisotropic conductive adhesive of the present invention, and (b) is a schematic plan view thereof. .
- FIG. 7 is a cross-sectional view of a conventional anisotropic conductive adhesive.
- FIG. 1 (a) is a plan view of Embodiment 1 of the anisotropic conductive adhesive of the present invention
- FIG. 1 (b) is a sectional view taken along line AA in FIG. 1 (a).
- FIG. 2 is a perspective view of the anisotropic conductive adhesive.
- an anisotropic conductive film 14 is laminated on a base film 12.
- the pattern of the anisotropic conductive film 14 is the center length of the anisotropic conductive adhesive 10. It contains many rectangular spaces 16 in the hand direction. In the present embodiment, the space 16 is formed only in the anisotropic conductive film 14 and is formed in the base film 12.
- Spaces 16 are provided separately according to the shape and size of the space of the outer peripheral electrode to be connected, and the width and size of the anisotropic conductive film 14 surrounding the space 16 according to the width of the outer peripheral electrode. If the location is adjusted, the necessary anisotropic conductive film 14 can be applied to the outer peripheral electrode in a short time at a time. As in the prior art, it is not necessary to cut and attach the anisotropic conductive film to each side of the outer peripheral electrode.
- the base film 12 functions as a carrier tape for the anisotropic conductive film 14, and is not particularly limited in its forming material, thickness, etc., as long as it does not hinder the transfer of the anisotropic conductive film 14 to the substrate.
- a carrier tape for the anisotropic conductive film 14 There is no.
- polytetrafluoroethylene, a polyethylene terephthalate (PET) film that has been subjected to a release treatment, or the like can be used.
- the anisotropic conductive film 14 is obtained by dispersing conductive particles in an insulating adhesive, and the insulating adhesive and the conductive particles themselves are the same as known anisotropic conductive films. be able to.
- the insulating adhesive various thermosetting adhesives and thermoplastic adhesives can be used. From the viewpoint of reliability after mounting the IC chip, it is preferable to use a thermosetting adhesive such as an epoxy resin, a urethane resin, an acrylate resin, or a BT resin resin.
- a single type of resin component or a mixture of multiple types may be used.
- the conductive particles for example, particles having an electric good conductor force such as Ni, Ag, Cu or an alloy thereof, a metal powder having an equal strength, or a metal particle on the surface of a spherical resin particle is used. It can be used in various ways. It is also possible to use particles in which an insulating film is formed on such particles having good electrical conductor strength.
- the particle size of the conductive particles is preferably 0.2 to 20 / ⁇ ⁇ .
- An anisotropic conductive film composition can be prepared by mixing the above insulating adhesive and conductive particles according to a conventional method, and the obtained composition is applied to the base film 12 by screen printing or the like. By printing in a predetermined pattern, it is possible to obtain the anisotropic conductive adhesive 10 of the present embodiment in which the central space 16 is formed at a distance as shown in FIG. In addition, the anisotropic conductive adhesive layer part of the film coated on one side can be cut with a knife. The anisotropic conductive adhesive 10 can be manufactured by extracting.
- the space 16 may be provided with a plurality of force columns provided in a central row in the longitudinal direction.
- the space 16 is a quadrangle, but it may be a rectangle.
- FIG. 4 (a) is a plan view of Embodiment 2 of the anisotropic conductive adhesive of the present invention
- FIG. 4 (b) is a sectional view taken along line BB in FIG. 4 (a).
- FIG. 5 is a perspective view of this anisotropic conductive adhesive.
- the space 26 is formed not only on the anisotropic conductive film 14 but also on the base film 22. This is different from the anisotropic conductive adhesive 10 of the first embodiment. That is, the same space 26 as that of the anisotropic conductive film 14 is empty in the base film 22 of the anisotropic conductive adhesive 20.
- the space 26 is formed by penetrating the anisotropic conductive film 14 and the base film 22.
- This anisotropic conductive adhesive 20 is also attached to the outer peripheral electrode with efficiency by providing the space 26 at a distance according to the shape and size of the outer peripheral electrode space to be connected. it can.
- the anisotropic conductive adhesive 20 can be manufactured by removing the space portion with a punching machine after removing the raw material coated with the adhesive layer or the reeled adhesive.
- Figs. 6 (a) and 6 (b) show an example of mounting the anisotropic conductive adhesive of the present invention in an image sensor (camera) for a mobile phone.
- Fig. 6 (a) is a cross-sectional view
- Fig. 6 (b ) Is a schematic plan view thereof.
- a CCD (Charge Coupled Devices) sensor or a CMOS (Complementary Metal Oxide Semiconductor) sensor 30 is provided on a substrate 32, and a lid glass 42 and a lens 44 are provided above the sensor 30.
- the anisotropic conductive adhesive of the present invention is matched with the mounting surface of the electrode 36 on the substrate side.
- Anisotropic guidance of the present invention Since the electromembrane 50 has a space corresponding to the sensor 30, it can be attached to the outer periphery of the sensor 30 as it is. A base film (not shown) is peeled off. Thereby, the anisotropic conductive film 50 can be transferred to the electrode 36 on the substrate side very easily.
- the FPC 34 is mounted on the transfer site of the anisotropic conductive film, and further, the FPC 34 is mounted on the substrate 32 by heating and pressing.
- the thermocompression bonding conditions in this case can be the same as those in the case of mounting an IC chip using a conventional anisotropic conductive film.
- FIG. 6B schematically shows that the anisotropic conductive film 50 is attached so as to coat the outer peripheral electrode surrounding the sensor 30. As shown in FIG. 6 (b), the space in the anisotropic conductive film 50 and the sensor 30 correspond to each other.
- the circuit connection material of the present invention can be widely used as an anisotropic conductive adhesive for electric and electronic use.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Adhesive Tapes (AREA)
- Non-Insulated Conductors (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007545210A JPWO2007058108A1 (ja) | 2005-11-21 | 2006-11-09 | 異方導電接着剤 |
KR1020087010263A KR101053767B1 (ko) | 2005-11-21 | 2006-11-09 | 이방 도전 접착제 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005335371 | 2005-11-21 | ||
JP2005-335371 | 2005-11-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007058108A1 true WO2007058108A1 (ja) | 2007-05-24 |
Family
ID=38048495
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2006/322346 WO2007058108A1 (ja) | 2005-11-21 | 2006-11-09 | 異方導電接着剤 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPWO2007058108A1 (ja) |
KR (1) | KR101053767B1 (ja) |
CN (1) | CN101309988A (ja) |
TW (1) | TW200730602A (ja) |
WO (1) | WO2007058108A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010070393A1 (en) * | 2008-12-17 | 2010-06-24 | Fci | Method of manufacture of ic contact-less communication devices |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IN2014MN02449A (ja) * | 2012-05-29 | 2015-07-10 | Conpart As |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003045235A (ja) * | 2001-07-27 | 2003-02-14 | Mitsui Chemicals Inc | 異方性導電ペースト |
JP2003168323A (ja) * | 2001-11-30 | 2003-06-13 | Mitsui Chemicals Inc | 異方性導電ペーストおよびその使用方法 |
JP2004006793A (ja) * | 2003-04-07 | 2004-01-08 | Sony Chem Corp | 異方性導電接着材 |
JP2005136144A (ja) * | 2003-10-30 | 2005-05-26 | Kyocera Corp | 固体撮像装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3995942B2 (ja) * | 2002-01-29 | 2007-10-24 | 旭化成株式会社 | 異方性を有する導電性接着シートの製造方法 |
-
2006
- 2006-11-09 CN CNA2006800426031A patent/CN101309988A/zh active Pending
- 2006-11-09 WO PCT/JP2006/322346 patent/WO2007058108A1/ja active Application Filing
- 2006-11-09 KR KR1020087010263A patent/KR101053767B1/ko not_active IP Right Cessation
- 2006-11-09 JP JP2007545210A patent/JPWO2007058108A1/ja active Pending
- 2006-11-14 TW TW095142078A patent/TW200730602A/zh unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003045235A (ja) * | 2001-07-27 | 2003-02-14 | Mitsui Chemicals Inc | 異方性導電ペースト |
JP2003168323A (ja) * | 2001-11-30 | 2003-06-13 | Mitsui Chemicals Inc | 異方性導電ペーストおよびその使用方法 |
JP2004006793A (ja) * | 2003-04-07 | 2004-01-08 | Sony Chem Corp | 異方性導電接着材 |
JP2005136144A (ja) * | 2003-10-30 | 2005-05-26 | Kyocera Corp | 固体撮像装置 |
Non-Patent Citations (1)
Title |
---|
JAPAN PATENT OFFICE: "Shuchi.Kan'yo Gijutsushu", JAPAN, 1984, pages 149, XP003009045 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010070393A1 (en) * | 2008-12-17 | 2010-06-24 | Fci | Method of manufacture of ic contact-less communication devices |
US8739402B2 (en) | 2008-12-17 | 2014-06-03 | Microconnections Sas | Method of manufacture of IC contactless communication devices |
Also Published As
Publication number | Publication date |
---|---|
CN101309988A (zh) | 2008-11-19 |
TW200730602A (en) | 2007-08-16 |
KR101053767B1 (ko) | 2011-08-02 |
KR20080066735A (ko) | 2008-07-16 |
JPWO2007058108A1 (ja) | 2009-04-30 |
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