WO1998038701A1 - Connecting structure, liquid crystal device, electronic equipment, anisotropic conductive adhesive, and method for manufacturing the adhesive - Google Patents
Connecting structure, liquid crystal device, electronic equipment, anisotropic conductive adhesive, and method for manufacturing the adhesive Download PDFInfo
- Publication number
- WO1998038701A1 WO1998038701A1 PCT/JP1998/000648 JP9800648W WO9838701A1 WO 1998038701 A1 WO1998038701 A1 WO 1998038701A1 JP 9800648 W JP9800648 W JP 9800648W WO 9838701 A1 WO9838701 A1 WO 9838701A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- adhesive
- conductive particles
- liquid crystal
- anisotropic conductive
- terminals
- Prior art date
Links
- 239000000853 adhesive Substances 0.000 title claims abstract description 235
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 235
- 239000004973 liquid crystal related substance Substances 0.000 title claims description 85
- 238000004519 manufacturing process Methods 0.000 title claims description 43
- 238000000034 method Methods 0.000 title claims description 27
- 239000002245 particle Substances 0.000 claims abstract description 168
- 239000000463 material Substances 0.000 claims abstract description 74
- 239000000758 substrate Substances 0.000 claims description 72
- 239000004065 semiconductor Substances 0.000 claims description 15
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 238000002788 crimping Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 description 11
- 230000002950 deficient Effects 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 238000007639 printing Methods 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- FACXGONDLDSNOE-UHFFFAOYSA-N buta-1,3-diene;styrene Chemical compound C=CC=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 FACXGONDLDSNOE-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000002923 metal particle Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 description 2
- YJTKZCDBKVTVBY-UHFFFAOYSA-N 1,3-Diphenylbenzene Chemical compound C1=CC=CC=C1C1=CC=CC(C=2C=CC=CC=2)=C1 YJTKZCDBKVTVBY-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- -1 acryl Chemical group 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 150000003673 urethanes Chemical class 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/01—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the form or arrangement of the conductive interconnection between the connecting locations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
- H01L24/83—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a layer connector
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L24/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L24/28—Structure, shape, material or disposition of the layer connectors prior to the connecting process
- H01L24/29—Structure, shape, material or disposition of the layer connectors prior to the connecting process of an individual layer connector
-
- 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
- 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
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/15—Structure, shape, material or disposition of the bump connectors after the connecting process
- H01L2224/16—Structure, shape, material or disposition of the bump connectors after the connecting process of an individual bump connector
- H01L2224/161—Disposition
- H01L2224/16151—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/16221—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/16225—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/28—Structure, shape, material or disposition of the layer connectors prior to the connecting process
- H01L2224/29—Structure, shape, material or disposition of the layer connectors prior to the connecting process of an individual layer connector
- H01L2224/29001—Core members of the layer connector
- H01L2224/29075—Plural core members
- H01L2224/2908—Plural core members being stacked
- H01L2224/29082—Two-layer arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/28—Structure, shape, material or disposition of the layer connectors prior to the connecting process
- H01L2224/29—Structure, shape, material or disposition of the layer connectors prior to the connecting process of an individual layer connector
- H01L2224/29001—Core members of the layer connector
- H01L2224/29099—Material
- H01L2224/2919—Material with a principal constituent of the material being a polymer, e.g. polyester, phenolic based polymer, epoxy
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/73—Means for bonding being of different types provided for in two or more of groups H01L2224/10, H01L2224/18, H01L2224/26, H01L2224/34, H01L2224/42, H01L2224/50, H01L2224/63, H01L2224/71
- H01L2224/732—Location after the connecting process
- H01L2224/73201—Location after the connecting process on the same surface
- H01L2224/73203—Bump and layer connectors
- H01L2224/73204—Bump and layer connectors the bump connector being embedded into the layer connector
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
- H01L2224/83—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a layer connector
- H01L2224/831—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a layer connector the layer connector being supplied to the parts to be connected in the bonding apparatus
- H01L2224/83101—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a layer connector the layer connector being supplied to the parts to be connected in the bonding apparatus as prepeg comprising a layer connector, e.g. provided in an insulating plate member
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
- H01L2224/83—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a layer connector
- H01L2224/8319—Arrangement of the layer connectors prior to mounting
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
- H01L2224/83—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a layer connector
- H01L2224/838—Bonding techniques
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/01—Chemical elements
- H01L2924/01005—Boron [B]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/01—Chemical elements
- H01L2924/01006—Carbon [C]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/01—Chemical elements
- H01L2924/01015—Phosphorus [P]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/01—Chemical elements
- H01L2924/01029—Copper [Cu]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/01—Chemical elements
- H01L2924/01033—Arsenic [As]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/01—Chemical elements
- H01L2924/01047—Silver [Ag]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/01—Chemical elements
- H01L2924/0105—Tin [Sn]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/01—Chemical elements
- H01L2924/01078—Platinum [Pt]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/01—Chemical elements
- H01L2924/01079—Gold [Au]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/01—Chemical elements
- H01L2924/01082—Lead [Pb]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/013—Alloys
- H01L2924/014—Solder alloys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/06—Polymers
- H01L2924/0665—Epoxy resin
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/06—Polymers
- H01L2924/078—Adhesive characteristics other than chemical
- H01L2924/07802—Adhesive characteristics other than chemical not being an ohmic electrical conductor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/06—Polymers
- H01L2924/078—Adhesive characteristics other than chemical
- H01L2924/0781—Adhesive characteristics other than chemical being an ohmic electrical conductor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/06—Polymers
- H01L2924/078—Adhesive characteristics other than chemical
- H01L2924/0781—Adhesive characteristics other than chemical being an ohmic electrical conductor
- H01L2924/07811—Extrinsic, i.e. with electrical conductive fillers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/7076—Coupling devices for connection between PCB and component, e.g. display
-
- 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
- H05K2203/03—Metal processing
- H05K2203/0338—Transferring metal or conductive material other than a circuit pattern, e.g. bump, solder, printed component
-
- 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
- H05K2203/11—Treatments characterised by their effect, e.g. heating, cooling, roughening
- H05K2203/1189—Pressing leads, bumps or a die through an insulating layer
-
- 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
- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
- H05K3/102—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern by bonding of conductive powder, i.e. metallic powder
-
- 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
- H05K3/36—Assembling printed circuits with other printed circuits
- H05K3/361—Assembling flexible printed circuits with other printed circuits
-
- 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
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
-
- 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
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/256—Heavy metal or aluminum or compound thereof
Definitions
- the present invention relates to a connection structure for conductively connecting two adherends with an anisotropic conductive adhesive.
- a connection structure for conductively connecting two adherends with an anisotropic conductive adhesive.
- the present invention relates to an anisotropic conductive adhesive used and a method for producing the same, a liquid crystal display device and an electronic device using the same.
- the present invention relates to an anisotropic conductive adhesive used for conductive connection between a liquid crystal panel and a circuit board typified by a TAB substrate, and a method for producing the same.
- Fig. 11 (A) the connection between the input terminal 12 provided on the glass substrate 11 constituting the liquid crystal panel 11 and the terminal (bump) 14 of the TAB 13 as in the case of the liquid crystal panel.
- An anisotropic conductive adhesive 50 is used for the connection between the fine pitch terminals.
- the conventional anisotropic conductive adhesive 50 includes a thermosetting or thermoplastic insulating adhesive material 51 such as an epoxy resin and a plurality of conductive particles 52 arranged in the adhesive 51.
- the conductive particles 52 were uniformly arranged in the adhesive 51.
- TAB 13 is thermocompression-bonded and terminal 14 is pushed into anisotropic conductive adhesive 50, and conductive particles 5 are placed between terminals 12 and 14.
- the connection between terminals 12 and 14 was conducted with 2 interposed.
- Anisotropic conductive adhesive is used to connect to (input terminals 12) and to connect the wiring on the glass substrate to the flexible substrate.
- An object of the present invention is to provide an anisotropic conductive adhesive that can reliably interpose a predetermined number of conductive particles between connected terminals and improve conduction reliability, and to easily provide the anisotropic conductive adhesive. It is another object of the present invention to provide a manufacturing method which can be manufactured, and a liquid crystal display device and an electronic apparatus using the anisotropic conductive adhesive.
- connection structure of the present invention includes at least a first member having a plurality of terminals formed thereon.
- the terminal is placed inside the adhesive through a second adhesive having a terminal thicker than the terminal formed on the first adhesive through an anisotropic conductive adhesive.
- the conductive particles are unevenly distributed on the first adherend side.
- the number of conductive particles contained in the anisotropic conductive adhesive can be suppressed very quickly, so that an inexpensive connection structure can be realized, and a sufficient number of conductive particles can be secured in the electrical connection portion.
- the number of defective products is drastically reduced.
- the conductive particles are pushed out by the terminal on the non-uniformly distributed side, that is, the thick terminal, and flow out.
- the conductive adhesive does not contain conductive particles.
- the number of conductive particles remaining between the connected terminals does not decrease and the connection can be ensured.
- since the number of conductive particles is uniform at each connection part, it is extremely difficult to control the production. Preferred.
- the liquid crystal device of the present invention comprises a liquid crystal sealed between a pair of substrates. At least one of the substrates includes a liquid crystal panel having a plurality of terminals formed thereon, and a circuit board having a plurality of terminals formed thereon.
- the conductive particles are thinner, that is, conductive.
- the protruding dimension toward the adhesive side is unevenly distributed on the substrate side having the small terminal.
- the number of conductive particles contained in the anisotropic conductive adhesive can be reduced, so that an inexpensive connection structure can be realized, and sufficient conductive particles can be obtained at the electrical connection portion. Since the number can be secured, the number of defective products is drastically reduced.
- the anisotropic conductive adhesive which is pushed out by the terminal on the side where the conductive particles are not unevenly distributed, that is, the thick terminal, and flows out is used. Does not contain conductive particles. Therefore, the number of conductive particles remaining between the terminals to be connected does not decrease, and the number of conductive particles in each connection portion becomes uniform, which is very preferable in manufacturing control.
- a transparent electrode represented by ITO is formed on a liquid crystal panel substrate, and metal terminals are formed on a circuit board such as a TAB substrate. Since a transparent electrode such as ITO is often thinner than a metal terminal, it is preferable to disperse conductive particles on the liquid crystal panel substrate side.
- liquid crystal is sealed between a pair of substrates, and at least one of the substrates has a liquid crystal panel on which a plurality of terminals are formed, and a plurality of bumps.
- the conductive particles are unevenly distributed on one substrate side, that is, on the substrate side having a terminal having a small protrusion dimension toward the anisotropic conductive adhesive. are doing.
- the number of conductive particles contained in the anisotropic conductive adhesive can be reduced to a minimum, resulting in an inexpensive connection structure.
- the body is realized, and the number of conductive particles can be ensured in the electrical connection part, so that the number of defective products is drastically reduced.
- the anisotropic conductive adhesive which is pushed out by the bumps and flows out does not contain conductive particles. Therefore, the number of conductive particles remaining between the terminals and the bumps of the liquid crystal panel substrate is not reduced, and the number of conductive particles at each connection portion becomes uniform, which is very preferable in terms of manufacturing control.
- a liquid crystal is sandwiched between a pair of substrates, and one of the substrates is electrically connected to a liquid crystal panel having terminals and a circuit board having the terminals formed thereon.
- a method for manufacturing a liquid crystal device comprising: a step of connecting an insulating adhesive material and a plurality of conductive particles between the one substrate and the circuit board; Arranging the anisotropic conductive adhesive unevenly distributed on the side such that the one adhesive surface and the one substrate are in contact with each other, and crimping the one substrate and the circuit substrate. It is characterized by having.
- a substrate having terminals on a thinner side that is, a liquid crystal panel substrate, and an adhesive surface on a side of the anisotropic conductive adhesive on which conductive particles are unevenly distributed are provided.
- the liquid crystal panel substrate, the anisotropic conductive adhesive and the circuit board so that the circuit board and the surface of the anisotropic conductive adhesive on which the conductive particles are not unevenly distributed are in contact. Deploy. Then, the liquid crystal panel substrate and the circuit board are pressure-bonded.
- the conductive particles are not provided on the terminal side with a large protrusion on the anisotropic conductive adhesive side, that is, on the thick terminal side, even if the adhesive is extruded to the side by this terminal, the There is almost no movement of the conductive particles due to the flow. A constant number of conductive particles can be left and interposed, and the conduction reliability can be improved.
- a liquid crystal is sandwiched between a pair of substrates, and one of the substrates is electrically connected to a liquid crystal panel having terminals and a semiconductor element having bumps formed thereon.
- a method for manufacturing a liquid crystal device comprising: an insulating adhesive material and a plurality of conductive particles between the one substrate and the semiconductor element, wherein the conductive particles are unevenly distributed on one adhesive surface side
- a substrate having terminals on a thinner side that is, a liquid crystal panel substrate, and an adhesive surface on a side of the anisotropic conductive adhesive on which conductive particles are unevenly distributed are provided.
- the liquid crystal panel substrate, the anisotropic conductive adhesive and the semiconductor element are arranged so that the semiconductor element and the surface of the anisotropic conductive adhesive on which the conductive particles are not unevenly distributed are in contact with each other. . Then, the liquid crystal panel substrate and the semiconductor element are pressed.
- the conductive particles are not provided on the side where the anisotropic conductive adhesive has a large protrusion, that is, on the bump side, even if the adhesive is extruded to the side by this bump, the conductive material will flow by the flow. The particles are hardly moved, a predetermined number of conductive particles can be left between the bumps and the terminals, and conduction reliability can be improved.
- An electronic device includes the liquid crystal display device and a housing in which the liquid crystal display device is housed, and includes, for example, a mobile phone, a wristwatch, and a notebook computer.
- the anisotropic conductive adhesive of the present invention is used for bonding the liquid crystal panel to a circuit board or a semiconductor element, the conduction reliability of the liquid crystal panel can be improved, and defective electronic devices can be eliminated.
- the incidence rate can be reduced, and the manufacturing cost can be reduced.
- the anisotropic conductive adhesive of the present invention is an anisotropic conductive adhesive comprising an insulating adhesive material and a plurality of conductive particles, and having a plurality of bonding surfaces bonded to a plurality of adherends, The conductive particles are unevenly distributed on one side of the adhesive surface. At this time, it is preferable that the conductive particles are disposed on the one adhesive surface and that the conductive particles are coated with an adhesive material for coating.
- the conductive particles By arranging the conductive particles on the bonding surface of the insulating adhesive material as described above, the conductive particles can be reliably and easily localized on one of the bonding surfaces. In addition, by coating the conductive particles with an adhesive, the conductive particles do not peel off or fall off, and the handling of the anisotropic conductive adhesive becomes easy.
- a base agent is disposed on the bonding surface of the first where the conductive particles are unevenly distributed.
- the base material specifically refers to a separator (release paper).
- the conductive particles can be surely and easily localized on one adhesive surface side.
- the conductive particles are covered with the base material, the conductive particles do not peel off or fall off, and handling of the anisotropic conductive adhesive becomes easy.
- a method for manufacturing an anisotropic conductive adhesive of the present invention a method for manufacturing an anisotropic conductive adhesive including an insulating adhesive material and a plurality of conductive particles, wherein the conductive particles are A step of spraying on a conductive adhesive material and a step of applying an adhesive for coating on the conductive particles.
- conductive particles are dispersed on an insulating bonding material.
- the dispersed conductive particles are temporarily fixed by the insulating adhesive material and do not move after the dispersion, so that the conductive particles can be uniformly arranged on the insulating adhesive material. . Furthermore, since the conductive particles are covered with the coating adhesive, the conductive particles can be protected and the peeling thereof can be prevented.
- a method for producing an anisotropic conductive adhesive including an insulating adhesive material and a plurality of conductive particles, the method comprising: dispersing the conductive particles on the base material;
- the method includes a step of applying an insulating adhesive material on the surface on which the conductive particles are dispersed.
- the application step of the insulating adhesive material is performed only once, so that the manufacturing efficiency can be improved.
- the conductive particles are covered with the base material, the conductive particles can be reliably protected.
- a separator is used as the base material, it is not necessary to separately provide a base material for manufacturing, and the tape-shaped anisotropic conductive adhesive can be easily manufactured. it can.
- FIG. 1 is a sectional view showing an anisotropic conductive adhesive according to a first embodiment of the present invention.
- FIG. 2 shows a terminal connecting portion using the anisotropic conductive adhesive of the first embodiment.
- FIG. 3 is a cross-sectional view for explaining a manufacturing process of the anisotropic conductive adhesive according to the first embodiment.
- FIG. 4 is a perspective view showing a liquid crystal display device using the anisotropic conductive adhesive of the present invention.
- FIG. 5 is a perspective view showing a mobile phone according to the present invention.
- FIG. 6 is a perspective view showing a note bass computer in the present invention.
- FIG. 7 is a cross-sectional view for explaining a manufacturing process of the anisotropic conductive adhesive according to the second embodiment of the present invention.
- FIG. 8 is a cross-sectional view showing an anisotropic conductive adhesive according to a modification of the present invention.
- FIG. 9 is a diagram showing a connection between a liquid crystal driver IC and a liquid crystal panel substrate using the anisotropic conductive adhesive of the present invention, wherein (A) is a state before connection, and (B) is a state after connection. .
- FIG. 10 is an overall configuration diagram of a liquid crystal device connected using the anisotropic conductive adhesive of the present invention.
- FIG. 11 is a sectional view showing an anisotropic conductive adhesive in a conventional example of the present invention.
- FIG. 1 shows an anisotropic conductive adhesive 1 according to a first embodiment of the present invention. I have.
- the anisotropic conductive adhesive 1 includes an insulating adhesive material 2 and a plurality of conductive particles 3. The conductive particles 3 are arranged on one adhesive surface of the insulating adhesive material 2 and are covered with the coating adhesive 4.
- the conductive particles 3 may be solder particles, single metal particles such as Ni, Au, Ag, Cu, Pb, and Sn, or composite metal particles such as a mixture of a plurality of metals, alloys, and plating. And plastic particles (polystyrene-based, polycarbonate-based, acryl-based, and diphenylbenzene-based resins) with Ni, Au, Cu, Fe, etc., or particles with a single or multiple platings O
- the insulating adhesive material 2 and the coating adhesive 4 may be the same adhesive or different adhesives. Specifically, styrene butadiene styrene (SBS) -based, epoxy-based, and acrylic , Polyesters, urethanes, etc., or a mixture or a plurality of compounds.
- SBS styrene butadiene styrene
- epoxy-based epoxy-based
- acrylic acrylic
- Polyesters urethanes, etc., or a mixture or a plurality of compounds.
- the particle size of the conductive particles 3 (dimension A in FIG. 1) is about 2 ⁇ 1 0 lambda order m
- the thickness of the adhesive 2 is from about 1 2 ⁇ 3 0 m Degree.
- the adhesive 4 applied on the conductive particles 3 coats the conductive particles 3 with a thin film thickness of about 1 to 3 ⁇ m.
- the anisotropic conductive adhesive 1 having such a configuration is manufactured by the procedure shown in FIG.
- the insulating adhesive material 2 is formed with a predetermined thickness and width. Then, as shown in FIG. 3 (A), the conductive particles 3 are sprayed on one adhesive surface of the adhesive 2 and fixed.
- the method of spraying the conductive particles 3 include a dry method in which the conductive particles 3 are sprayed by airflow, static electricity, natural fall, and the like, and a jet-type printing method in which the conductive particles 3 are mixed in a solvent and sprayed.
- the conductive particles 3 are arranged in a row in the thickness direction of the insulating adhesive material in a line (as shown in FIG. 3) or less, preferably less than 2 systems IJ (double overlapping state). It is preferable to spray the particles so that the conductive particles 3 do not overlap. For this reason, for example, it is preferable that the conductive particles 3 are charged and sprayed so that the conductive particles 3 do not repel and overlap with each other.
- an adhesive 4 is applied onto the conductive particles 3 by a spraying method, a printing method, or the like, and the conductive particles 3 are coated.
- the anisotropic conductive adhesive according to the first embodiment has the following effects.
- the protrusion size By arranging the adhesive surface side where the conductive particles 3 are unevenly distributed on the small terminal 12 side, the conductive particles 3 flow to the side of the terminal 12 when the terminal 14 is pushed into the adhesive 2 Can be prevented. Therefore, a predetermined number of conductive particles 3 can be reliably interposed between the terminals 12 and 1, and the reliability of conduction between the terminals 12 and 14 can be improved.
- the number of the conductive particles 3 interposed between the terminals 12 and 14 is as follows.
- the number of conductive particles 3 interposed between terminals 12, 14 can be easily controlled by the area of the connection surface of each terminal 12, 14 and the number of sprays per unit area of conductive particles 3. That is, the continuity performance can be adjusted and set with high accuracy.
- the adhesive 2 pushed out to the side of the terminal 14 by the terminal 14 is filled in the gap between the terminals 12 and 14 arranged at the predetermined pitch.
- Adhesive strength to glass substrate 11 and TAB 13 can be further increased.
- the amount of adhesive 2 that flows out can be controlled with high precision by the volume of terminals 14 etc.
- the amount of the adhesive 2 to be filled in the gap between the terminals 12 and 14 can be adjusted so that the amount of the adhesive 2 is not so large that the adhesive strength becomes large and residual stress remains. it can.
- the conductive particles 3 are sprayed on one of the adhesive surfaces of the insulating adhesive material 2, so that the conductive particles 3 are unevenly distributed on the negative adhesive surface side.
- the conductive adhesive 1 can be easily and reliably manufactured, and the manufacturing cost can be reduced.
- the conductive particles 3 are scattered on the insulating adhesive material 2, the scattered conductive particles 3 can be temporarily fixed with the adhesive 2, and the conductive particles 3 can be prevented from moving after being scattered.
- the conductive particles 3 can be arranged uniformly. Since the conductive particles 3 are coated with the adhesive 4, the conductive particles 3 spread on the surface of the insulating adhesive material 2 can be prevented from peeling off, and the occurrence of defective products can be reduced.
- the second embodiment is different from the first embodiment mainly in the method of manufacturing the anisotropic conductive adhesive 1.
- a base material 21 used as a release paper (separator) is placed on a base material 21. Then, the conductive particles 3 are dispersed and applied.
- This guide As for the method of dispersing the electric particles 3, as in the first embodiment, various methods can be used. In particular, it is preferable to use a printing method or a spray coating method so that the conductive particles 3 can be temporarily fixed on the base material 21.
- the insulating adhesive material 2 is applied on the base material 21 on which the conductive particles 3 are dispersed by a printing method, a spray method or the like.
- the anisotropic conductive adhesive 1 manufactured in this manner peels off the base material 21 which is a separator, and is different from the first embodiment shown in FIG. Similarly, the conductive particles 3 are arranged between the terminals 12 and 14 such that the adhesive surface (lower side in FIG. 7) in which the conductive particles 3 are unevenly distributed faces the terminal 12 side. Then, the conductive particles 3 are interposed between the terminals 12 and 14 to conduct electricity by performing thermocompression bonding or the like.
- the anisotropic conductive adhesive 1 in manufacturing the anisotropic conductive adhesive 1, the conductive particles 3 are sprayed on the base material (separator) 2 1 and then the insulating adhesive material 2 is applied thereon.
- the anisotropic conductive adhesive 1 in which the conductive particles 3 are unevenly distributed on the adhesive surface side can be easily and reliably manufactured, and the manufacturing cost can be reduced.
- the anisotropic conductive adhesive 1 in manufacturing the anisotropic conductive adhesive 1, only one application step of the adhesive 2 is required, so that the manufacturing efficiency can be improved as compared with the first embodiment in which the adhesives 2 and 4 are applied. .
- the conductive particles 3 are covered with the base material 2 1, if the base material 2 1 is attached until the anisotropic conductive adhesive 1 is used, the conductive particles 3 are covered with the base material 2 1. It is protected and prevents the conductive particles 3 from peeling and falling off. And the occurrence of defective products can be reduced.
- FIG. 2 shows an example in which TAB 12 and liquid crystal panel substrate 11 are bonded using the anisotropic conductive adhesive described in the first or second embodiment.
- FIG. 3 is an overall configuration diagram of the liquid crystal device according to the present embodiment.
- the anisotropic conductive adhesive 1 is placed between the terminals 12 provided on the glass substrate 11 of the liquid crystal panel and the terminals (bumps) 14 of the TAB 13. Is done.
- the terminals 12 are formed of IT 0 or metal wiring, and the protrusion dimension to the anisotropic conductive adhesive 1 side is as thin as about 0.1 to 3 m. (Bump)
- the protrusion size of 14 is as thick as about 20 to 30 m.
- the anisotropic conductive adhesive 1 is arranged such that the bonding surface (the lower surface in FIG. 2) where the conductive particles 3 are unevenly distributed faces the input terminal 12 side.
- the terminals 1 2 and 1 4 are pressed into the anisotropic conductive adhesive 1 side by thermocompression bonding or the like, and the conductive particles 3 are interposed between the terminals 1 2 and 1 4 to conduct the current.
- the adhesive is pressed into the insulating adhesive material 2
- the adhesive 2 flows to the side, but the conductive particles 3 are not arranged in the adhesive 2 part, and the conductive particles 3 and the adhesive 2 , 4 hardly move, so that the conductive particles 3 do not flow out from between the terminals 12, 14, and a predetermined number of conductive particles 3 are between the terminals 12, 14.
- the space between the terminals 12 and 14 arranged at a predetermined pitch is filled with the adhesive 2 including the material flowing out from the terminals 14 and the glass substrate 11 and the TAB 13 Are securely bonded. According to such a procedure, as shown in FIG. 4, the liquid crystal panel 10 and the TAB 13 on which the liquid crystal driver IC 15 is mounted are bonded by the anisotropic conductive adhesive 1.
- the display device 100 is configured.
- FIG. 9 (A) shows a so-called C0G method in which the liquid crystal driver IC 15 and the liquid crystal panel substrate 11 are directly mounted using the anisotropic conductive adhesive described in the first or second embodiment.
- FIG. 9B is a cross-sectional view of the liquid crystal device (before connection), and FIG. 9B is a view showing the state after connection.
- the anisotropic conductive adhesive 1 includes a terminal 12 provided on a glass substrate 11 of a liquid crystal panel and a liquid crystal driver as a semiconductor element. It is placed between the terminal (bump) 16 of IC 15.
- the input terminal 12 is formed of IT ⁇ or metal wiring, and the protrusion dimension toward the anisotropic conductive adhesive 1 side is as thin as about 0.1 to 3 m.
- the protrusion dimension of the LCD driver IC terminal (bump) 16 is as thick as about 10 to 28 m.
- the anisotropic conductive adhesive 1 is arranged such that the bonding surface (the lower surface in FIG. 9) where the conductive particles 3 are unevenly distributed faces the terminal 12 side of the liquid crystal panel substrate 11.
- the terminals 12 and 16 are pushed into the anisotropic conductive adhesive 1 side by thermocompression bonding or the like, and the conductive particles 3 are interposed between the terminals 12 and 16 to conduct electricity.
- the adhesive 2 flows to the side, but the conductive particles 3 are not disposed on the adhesive 2 portion, and the conductive particles 3 and The conductive particles 3 do not flow out from between the terminals 12 and 16 because the adhesives 2 and 4 are disposed on the terminal 12 side where the adhesives 2 and 4 hardly move.
- Conductive particles 3 You. Also, between the terminals 12 and 16 is filled with an anisotropic conductive adhesive 2 to which the material flowing out of the terminal 16 is added, and the glass substrate 11 and the glass substrate 13 are securely bonded. You.
- the liquid crystal display device 110 in which the liquid crystal panel 10 and the liquid crystal driver IC 15 are bonded with the anisotropic conductive adhesive 1 is constituted. Is done. The wiring is omitted in FIG.
- the liquid crystal devices 100 and 110 exemplified in the third and fourth embodiments are used by being incorporated in housings of various electronic devices. For example, as shown in Fig. 5, it is incorporated into the housing 201 of the mobile phone 200, and as shown in Fig. 6, it is installed in the housing 301 of the notebook computer 300. Is done.
- the present invention has been described using the first to fifth embodiments, the present invention is not limited to each of the above-described embodiments, and can be modified within a range that can achieve the object of the present invention. Improvements and the like are included in the present invention.
- the conductive particles 3 are arranged on the outermost surface of one of the adhesive surfaces of the anisotropic conductive adhesive 1, but as shown in FIG.
- the anisotropic conductive adhesive 1 may be disposed at a position closer to one adhesive surface side than the center position of the anisotropic conductive adhesive 1 in the thickness direction.
- the insulating adhesive material 2 is applied thicker than the coating adhesive 4 of the first embodiment to form an anisotropic conductive adhesive.
- Agent 1 may be formed.
- such an anisotropic conductive adhesive 1 can arrange the conductive particles 3 in accordance with the connection positions of the terminals 12 and 14 as shown in FIG. 8 ( ⁇ ). 1 4 alone Even if the terminal 12 has a relatively large thickness, the terminals 12 and 14 minimize the movement of the conductive particles 3 together with the insulating adhesive material 2.
- a predetermined number of conductive particles 3 can be interposed between the terminals 12 and 14.
- the conductive particles 3 are usually bonded to one of the anisotropic conductive adhesives 1 as in the first and second embodiments.
- the amount of movement of the conductive particles 3 can be reduced, and more particles 3 can be more reliably positioned between the terminals 12 and 14 This is advantageous in that it can contribute to conduction.
- high conduction reliability can be obtained even if the number of the conductive particles 3 in the anisotropic conductive adhesive 1 is reduced, so that the cost of the anisotropic conductive adhesive 1 can be reduced and a finer pitch can be obtained. Can be connected.
- the base material 21 is not limited to the separator, but may be a metal plate or the like used as a manufacturing tool in a manufacturing apparatus of the anisotropic conductive adhesive 1.
- the anisotropic conductive adhesive 1 produced on the base material 21 for such production can be used by peeling it off from the base material 21.
- the anisotropic conductive adhesive 1 of the present invention is used for conducting between the terminal 12 of the glass for liquid crystal panel 11 and the terminal 14 of the TAB 13, the terminal 12 and the terminal of the IC 15. It can be widely used not only for conduction with 16 but also for conduction between various electrical components. For this reason, the material and size (film thickness and particle diameter) of the insulating adhesive material 2 and the conductive particles 3 of the anisotropic conductive adhesive 1 can be appropriately set according to the type of the adherend to be applied. Good.
- the mobile phone 20 can be applied not only to a device having a liquid crystal display device 100 such as 0 or a notebook computer 300 but also to various electronic devices not having a liquid crystal display device.
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Wire Bonding (AREA)
- Liquid Crystal (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980708481A KR100643640B1 (ko) | 1997-02-27 | 1998-02-16 | 접속구조체,액정장치,전자기기와이방도전성접착제및그제조방법 |
US09/171,924 US6671024B1 (en) | 1997-02-27 | 1998-02-16 | Connecting structure, liquid crystal device, electronic equipment, and anisotropic conductive adhesive agent and a manufacturing method thereof |
JP53135898A JP3800631B2 (ja) | 1997-02-27 | 1998-02-16 | 異方導電性接着剤の製造方法、接続構造体の製造方法及び液晶装置の製造方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4438597 | 1997-02-27 | ||
JP9/44385 | 1997-02-27 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/171,924 A-371-Of-International US6671024B1 (en) | 1997-02-27 | 1998-02-16 | Connecting structure, liquid crystal device, electronic equipment, and anisotropic conductive adhesive agent and a manufacturing method thereof |
US10/701,208 Division US20040091697A1 (en) | 1997-02-27 | 2003-11-04 | Connecting structure, liquid crystal device, electronic equipment, and anisotropic conductive adhesive agent and a manufacturing method thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
WO1998038701A1 true WO1998038701A1 (en) | 1998-09-03 |
WO1998038701A9 WO1998038701A9 (en) | 1999-05-06 |
Family
ID=12690051
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1998/000648 WO1998038701A1 (en) | 1997-02-27 | 1998-02-16 | Connecting structure, liquid crystal device, electronic equipment, anisotropic conductive adhesive, and method for manufacturing the adhesive |
Country Status (6)
Country | Link |
---|---|
US (2) | US6671024B1 (ja) |
JP (1) | JP3800631B2 (ja) |
KR (1) | KR100643640B1 (ja) |
CN (2) | CN100414649C (ja) |
TW (1) | TW457287B (ja) |
WO (1) | WO1998038701A1 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002358825A (ja) * | 2001-05-31 | 2002-12-13 | Hitachi Chem Co Ltd | 異方導電性接着フィルム |
JP2010007076A (ja) * | 2009-08-07 | 2010-01-14 | Hitachi Chem Co Ltd | 異方導電性接着フィルム |
JP2016024964A (ja) * | 2014-07-22 | 2016-02-08 | 日立化成株式会社 | 接続構造体の製造方法及び接続構造体 |
JP2016031888A (ja) * | 2014-07-30 | 2016-03-07 | 日立化成株式会社 | 異方導電性フィルムの製造方法及び接続構造体 |
WO2016143789A1 (ja) * | 2015-03-09 | 2016-09-15 | 日立化成株式会社 | 接続構造体の製造方法 |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3781967B2 (ja) * | 2000-12-25 | 2006-06-07 | 株式会社日立製作所 | 表示装置 |
WO2003003798A1 (en) * | 2001-06-29 | 2003-01-09 | Toray Engineering Co., Ltd. | Joining method using anisotropic conductive adhesive |
JP3910527B2 (ja) * | 2002-03-13 | 2007-04-25 | シャープ株式会社 | 液晶表示装置およびその製造方法 |
JP3886401B2 (ja) * | 2002-03-25 | 2007-02-28 | ソニーケミカル&インフォメーションデバイス株式会社 | 接続構造体の製造方法 |
AU2003235230A1 (en) * | 2002-05-22 | 2003-12-02 | Sharp Kabushiki Kaisha | Common transfer material, liquid crystal panel, method for manufacturing liquid crystal panel |
EP1777066B1 (en) | 2004-04-06 | 2016-07-27 | AU Optronics Corporation | A laminated electrically conductive polymer structure |
US8802214B2 (en) | 2005-06-13 | 2014-08-12 | Trillion Science, Inc. | Non-random array anisotropic conductive film (ACF) and manufacturing processes |
KR100772454B1 (ko) | 2006-04-24 | 2007-11-01 | 엘지전자 주식회사 | 이방성 도전 필름 및 그 제조방법 |
JP4650456B2 (ja) * | 2006-08-25 | 2011-03-16 | 日立化成工業株式会社 | 回路接続材料、これを用いた回路部材の接続構造及びその製造方法 |
KR101481682B1 (ko) * | 2007-04-09 | 2015-01-12 | 삼성디스플레이 주식회사 | 터치스크린 표시장치 |
JP5181220B2 (ja) * | 2007-04-19 | 2013-04-10 | 日立化成株式会社 | 回路接続用接着フィルム、接続構造体及びその製造方法 |
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 |
US9102851B2 (en) | 2011-09-15 | 2015-08-11 | Trillion Science, Inc. | Microcavity carrier belt and method of manufacture |
US9019714B2 (en) * | 2011-10-26 | 2015-04-28 | Hitachi Chemical Company, Ltd. | Circuit component and method of making the same |
TWI547538B (zh) | 2012-08-24 | 2016-09-01 | Dexerials Corp | 異向性導電膜之製造方法及異向性導電膜 |
KR101716945B1 (ko) | 2012-08-24 | 2017-03-15 | 데쿠세리아루즈 가부시키가이샤 | 이방성 도전 필름 및 그의 제조 방법 |
JP6659247B2 (ja) * | 2015-06-16 | 2020-03-04 | デクセリアルズ株式会社 | 接続体、接続体の製造方法、検査方法 |
WO2017191772A1 (ja) * | 2016-05-05 | 2017-11-09 | デクセリアルズ株式会社 | フィラー配置フィルム |
US11901096B2 (en) * | 2018-06-06 | 2024-02-13 | Dexerials Corporation | Method for manufacturing connection body and method for connecting component |
CN112968116A (zh) * | 2020-10-15 | 2021-06-15 | 重庆康佳光电技术研究院有限公司 | 芯片的键合方法和系统、存储介质、电子装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08279371A (ja) * | 1995-02-07 | 1996-10-22 | Hitachi Chem Co Ltd | 接続部材および該接続部材を用いた電極の接続構造並びに接続方法 |
JPH08316625A (ja) * | 1995-05-22 | 1996-11-29 | Hitachi Chem Co Ltd | 電極の接続方法およびこれに用いる接続部材 |
JPH09161543A (ja) * | 1995-12-13 | 1997-06-20 | Toshiba Chem Corp | 異方性導電膜及びその使用方法 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5872968A (ja) * | 1981-10-28 | 1983-05-02 | Ricoh Co Ltd | 現像装置に用いられる現像剤担持体の製造方法 |
DE3443789A1 (de) * | 1983-12-02 | 1985-06-27 | Osaka Soda Co. Ltd., Osaka | Elektrische leitende klebstoffmasse |
US5001542A (en) * | 1988-12-05 | 1991-03-19 | Hitachi Chemical Company | Composition for circuit connection, method for connection using the same, and connected structure of semiconductor chips |
JPH0738502B2 (ja) * | 1989-10-17 | 1995-04-26 | シャープ株式会社 | 回路基板の接続方法 |
JPH0462714A (ja) | 1990-06-29 | 1992-02-27 | Three Bond Co Ltd | 異方導電性接着剤 |
JP3280685B2 (ja) * | 1991-01-23 | 2002-05-13 | 株式会社東芝 | 異方導電性接着樹脂層及びその製造方法 |
JPH04366630A (ja) | 1991-06-13 | 1992-12-18 | Sharp Corp | 異方性導電接着テープ |
JPH05273532A (ja) * | 1992-01-31 | 1993-10-22 | Canon Inc | 液晶素子 |
JPH0625627A (ja) | 1992-03-30 | 1994-02-01 | Aica Kogyo Co Ltd | 水分散型接着剤組成物 |
JPH06130409A (ja) * | 1992-10-22 | 1994-05-13 | Sharp Corp | 接続部材およびそれを用いる液晶表示装置の製造方法 |
JP2830681B2 (ja) * | 1993-03-08 | 1998-12-02 | ソニーケミカル株式会社 | Icチップ実装方法 |
EP0662256B1 (en) * | 1993-07-27 | 1998-11-18 | Citizen Watch Co. Ltd. | An electrical connecting structure and a method for electrically connecting terminals to each other |
JP3364695B2 (ja) | 1993-12-28 | 2003-01-08 | ソニーケミカル株式会社 | 回路接続部の再生方法 |
JP2737647B2 (ja) * | 1994-03-10 | 1998-04-08 | カシオ計算機株式会社 | 異方導電性接着剤およびそれを用いた導電接続構造 |
JP3812682B2 (ja) * | 1994-05-10 | 2006-08-23 | 日立化成工業株式会社 | 異方導電性樹脂フィルム状成形物の製造法 |
TW277152B (ja) * | 1994-05-10 | 1996-06-01 | Hitachi Chemical Co Ltd | |
JP3783785B2 (ja) * | 1994-05-10 | 2006-06-07 | 日立化成工業株式会社 | 異方導電性樹脂フィルム状接着材の製造法及び微細回路間の接続方法 |
JPH08111124A (ja) * | 1994-10-11 | 1996-04-30 | Sony Chem Corp | 異方導電性接着剤フィルム |
JP3561542B2 (ja) * | 1994-10-27 | 2004-09-02 | 三洋電機株式会社 | 異方性導電接着剤および表示装置 |
JPH08188760A (ja) | 1995-01-10 | 1996-07-23 | Sony Chem Corp | 異方性導電接着剤及びそれを用いた異方性導電接着剤シート |
-
1998
- 1998-02-16 US US09/171,924 patent/US6671024B1/en not_active Expired - Lifetime
- 1998-02-16 KR KR1019980708481A patent/KR100643640B1/ko not_active IP Right Cessation
- 1998-02-16 CN CNB2005100529035A patent/CN100414649C/zh not_active Expired - Lifetime
- 1998-02-16 CN CN988001845A patent/CN1218439C/zh not_active Expired - Lifetime
- 1998-02-16 JP JP53135898A patent/JP3800631B2/ja not_active Expired - Lifetime
- 1998-02-16 TW TW087102109A patent/TW457287B/zh not_active IP Right Cessation
- 1998-02-16 WO PCT/JP1998/000648 patent/WO1998038701A1/ja not_active Application Discontinuation
-
2003
- 2003-11-04 US US10/701,208 patent/US20040091697A1/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08279371A (ja) * | 1995-02-07 | 1996-10-22 | Hitachi Chem Co Ltd | 接続部材および該接続部材を用いた電極の接続構造並びに接続方法 |
JPH08316625A (ja) * | 1995-05-22 | 1996-11-29 | Hitachi Chem Co Ltd | 電極の接続方法およびこれに用いる接続部材 |
JPH09161543A (ja) * | 1995-12-13 | 1997-06-20 | Toshiba Chem Corp | 異方性導電膜及びその使用方法 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002358825A (ja) * | 2001-05-31 | 2002-12-13 | Hitachi Chem Co Ltd | 異方導電性接着フィルム |
JP2010007076A (ja) * | 2009-08-07 | 2010-01-14 | Hitachi Chem Co Ltd | 異方導電性接着フィルム |
JP2016024964A (ja) * | 2014-07-22 | 2016-02-08 | 日立化成株式会社 | 接続構造体の製造方法及び接続構造体 |
JP2016031888A (ja) * | 2014-07-30 | 2016-03-07 | 日立化成株式会社 | 異方導電性フィルムの製造方法及び接続構造体 |
WO2016143789A1 (ja) * | 2015-03-09 | 2016-09-15 | 日立化成株式会社 | 接続構造体の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
JP3800631B2 (ja) | 2006-07-26 |
CN100414649C (zh) | 2008-08-27 |
US20040091697A1 (en) | 2004-05-13 |
KR100643640B1 (ko) | 2007-06-07 |
CN1218439C (zh) | 2005-09-07 |
US6671024B1 (en) | 2003-12-30 |
TW457287B (en) | 2001-10-01 |
CN1652405A (zh) | 2005-08-10 |
WO1998038701A9 (en) | 1999-05-06 |
CN1217828A (zh) | 1999-05-26 |
KR20000064983A (ko) | 2000-11-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP3800631B2 (ja) | 異方導電性接着剤の製造方法、接続構造体の製造方法及び液晶装置の製造方法 | |
JP3530980B2 (ja) | 接着構造、液晶装置、及び電子機器 | |
KR940008554B1 (ko) | 전극단자 상호 접속방법 | |
JPH07157720A (ja) | 異方導電フィルム | |
JP4214416B2 (ja) | 接着方法及び液晶装置の製造方法 | |
JPH06187834A (ja) | 異方導電フィルム | |
JP3622792B2 (ja) | 接続部材及び該接続部材を用いた電極の接続構造・接続方法 | |
JP3876993B2 (ja) | 接着構造、液晶装置、及び電子機器 | |
JPH11148058A (ja) | 異方導電性接着剤、それを用いた液晶表示装置および電子機器 | |
JPH10199930A (ja) | 電子部品の接続構造および接続方法 | |
JPH09147928A (ja) | 接続部材 | |
JPS63110506A (ja) | 異方性導電シ−ト | |
JPH1013002A (ja) | 半導体素子の実装方法 | |
KR101117768B1 (ko) | 이방성 도전필름 | |
KR100833937B1 (ko) | 이방성 도전 접착제 | |
JPH05290911A (ja) | ヒートシールコネクター、その製造方法およびそれによる接続方法 | |
JP2511909B2 (ja) | 電気的接続材料のマイクロ形成方法 | |
JP2995244B2 (ja) | 異方導電性接着剤 | |
JP2002217239A (ja) | 異方性導電膜 | |
KR20060041090A (ko) | 이방성 도전 접속용 도전입자 및 이방성 도전필름 | |
JP3665467B2 (ja) | 表示装置、及び、表示装置の製造方法 | |
JPH09330947A (ja) | 半導体素子の実装方法 | |
JPH03185894A (ja) | 電極端子の相互接続方法 | |
JPH07244291A (ja) | 異方性導電膜、それを用いた液晶表示装置および電子印字装置 | |
JPH08148212A (ja) | 接続部材及び該接続部材を用いた電極の接続構造・接続法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 98800184.5 Country of ref document: CN |
|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): CN JP KR US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1019980708481 Country of ref document: KR |
|
WWE | Wipo information: entry into national phase |
Ref document number: 09171924 Country of ref document: US |
|
AK | Designated states |
Kind code of ref document: C2 Designated state(s): CN JP KR US |
|
COP | Corrected version of pamphlet |
Free format text: PAGE 9/11, DRAWINGS, REPLACED BY NEW PAGE 9/11; AFTER RECTIFICATION OF OBVIOUS ERRORS AS AUTHORIZED BY THE INTERNATIONAL SEARCHING AUTHORITY |
|
WWP | Wipo information: published in national office |
Ref document number: 1019980708481 Country of ref document: KR |
|
WWR | Wipo information: refused in national office |
Ref document number: 1019980708481 Country of ref document: KR |