WO2004050779A1 - 接着剤組成物、回路接続用接着剤組成物、接続体及び半導体装置 - Google Patents
接着剤組成物、回路接続用接着剤組成物、接続体及び半導体装置 Download PDFInfo
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- WO2004050779A1 WO2004050779A1 PCT/JP2003/015351 JP0315351W WO2004050779A1 WO 2004050779 A1 WO2004050779 A1 WO 2004050779A1 JP 0315351 W JP0315351 W JP 0315351W WO 2004050779 A1 WO2004050779 A1 WO 2004050779A1
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Classifications
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- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
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- 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
- C09J4/00—Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F291/00—Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds according to more than one of the groups C08F251/00 - C08F289/00
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- 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
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/50—Assembly of semiconductor devices using processes or apparatus not provided for in a single one of the subgroups H01L21/06 - H01L21/326, e.g. sealing of a cap to a base of a container
- H01L21/56—Encapsulations, e.g. encapsulation layers, coatings
- H01L21/563—Encapsulation of active face of flip-chip device, e.g. underfilling or underencapsulation of flip-chip, encapsulation preform on chip or mounting substrate
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- Y10T428/2891—Adhesive compositions including addition polymer from unsaturated monomer including addition polymer from alpha-beta unsaturated carboxylic acid [e.g., acrylic acid, methacrylic acid, etc.] Or derivative thereof
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
- Y10T428/2852—Adhesive compositions
- Y10T428/2896—Adhesive compositions including nitrogen containing condensation polymer [e.g., polyurethane, polyisocyanate, etc.]
Definitions
- Adhesive composition Adhesive composition, adhesive composition for circuit connection, connector, and semiconductor device
- the present invention relates to an adhesive composition, an adhesive composition for circuit connection, a connector, and a semiconductor device.
- various adhesives are used for the purpose of bonding various members in the element.
- Such adhesives are required to have a wide variety of properties such as adhesiveness, heat resistance, and reliability under high temperature and high humidity conditions.
- the adherend to be used in the adhesive including printed wiring boards and polyimide organic base such as de, copper, metal or ITO (Indium tin oxide) such as aluminum, S i N, S i 0 2 , etc. Since substrates having various surface conditions are used, it is necessary to design a molecule for each adherend.
- thermosetting resin using an epoxy resin having high adhesiveness and high reliability has been used.
- a curing agent such as an epoxy resin or a phenol resin reactive with the epoxy resin
- a thermal latent catalyst for accelerating the reaction between the epoxy resin and the curing agent are generally used.
- the thermal latent catalyst is an important factor in determining the curing temperature and curing rate, and various compounds have been used from the viewpoints of storage stability at room temperature (25 ° C) and curing rate when heated. .
- the desired adhesion is obtained by curing at a temperature of 170 to 250 ° C for 1 to 3 hours.
- radical-curable adhesive using a (meth) acrylate ester peroxide and a peroxide as a radical initiator has attracted attention.
- radicals which are reactive species, are very reactive, so they can be cured for a short period of time, and because they are stable below the decomposition temperature of the radical initiator, they can be cured at low temperatures and quickly. It is a curing system that has both storage stability near room temperature (for example, JP-A-2002-203427).
- an object of the present invention is to exhibit high adhesive strength to a substrate composed of a metal and an inorganic material, while being a radical curing system, to have excellent storage stability at room temperature (25 ° C), and An object of the present invention is to provide an adhesive composition, an adhesive composition for circuit connection, a connector, and a semiconductor device having sufficient performance even after a reliability test.
- the present invention provides an adhesive composition containing the components (a) to (d).
- Curing agent that generates radicals by irradiation with light at 150 to 750 nm and heating at ⁇ or 80 to 200 ° C (150 to 750 nm light irradiation, or 80 to 200 ° C heating or light irradiation And a curing agent that generates radicals by using heating in combination.
- the main purpose of this adhesive composition is to provide a film-forming property to a radical-curable adhesive composition containing a radically polymerizable compound having a (meth) atalyloyl group.
- the addition of the thermoplastic resin and the combination of the liquid rubber having the specific viscosity described above achieves high adhesive strength to a substrate made of a metal or an inorganic material.
- (meth) acryloyl means atariloyl or metaatariloyl (the same applies hereinafter).
- the main skeleton of the liquid rubber is polyisoprene, polybutadiene, styrene-butadiene copolymer, acrylonitrile-butadiene copolymer, poly (oxypropylene), poly (oxytetramethylene). It is preferred to be selected from the group consisting of glycols, polyolefindaricol and poly ⁇ -force prolatatatone.
- the component (d) is composed of polyisoprene, polybutadiene, styrene-butadiene copolymer, atarilonitrile-butadiene copolymer, poly (oxypropylene), poly (oxytetramethylene) glycol, polyolefin glycol, and poly (polyethylene glycol).
- the adhesive composition is based on 100 parts by weight of the component (a), 50 to 250 parts by weight of the component (b), 0.5 to 30 parts by weight of the component (c), and 1 to 50 parts by weight of the component (d). It is preferred to contain parts by weight. With such a compounding ratio, the adhesive strength, film forming property, heat resistance, curing speed, storage stability and the like become more excellent.
- the adhesive composition may contain conductive particles in an amount of 0.1 to 30% by volume based on the total volume of the adhesive composition. That is, an adhesive composition containing 0.1 to 30% by volume of conductive particles with respect to 100 parts by volume of the adhesive composition total is obtained.
- the adhesive composition By blending the conductive particles into the adhesive composition, the adhesive composition It can be used as an anisotropic conductive adhesive.
- An anisotropic conductive adhesive is used, for example, when used as a circuit connection adhesive composition for connecting circuit members having circuit electrodes on a main surface of a circuit board. The circuit electrodes on the opposing circuit board can be electrically connected via conductive particles while maintaining the property.
- the circuit members made of the above-described adhesive composition and provided with the circuit electrodes on the main surface of the circuit board are formed such that the circuit electrodes of one circuit member and the circuit electrodes of the other circuit member are formed.
- an adhesive composition for circuit connection which is opposed and adhered so as to be electrically connected.
- the adhesive composition for circuit connection is obtained by interposing the adhesive composition for circuit connection between substrates having opposing electrodes, and pressing the opposing substrates to form an electrode in the pressing direction. What is claimed is: 1. A method for connecting a circuit for electrically connecting between the two, wherein the above-mentioned adhesive composition is used as the adhesive composition for circuit connection.
- a connection body comprising: a member, wherein the circuit connection member is made of the above-described adhesive composition or a cured product thereof.
- a semiconductor device made of the cured product is a semiconductor device made of the cured product.
- the adhesive composition for circuit connection containing conductive particles by using the adhesive composition for circuit connection containing conductive particles, the following connector and semiconductor device are provided.
- a first circuit member having a first circuit electrode on a main surface of a first circuit board, and a second circuit member having a second circuit electrode on a main surface of a second circuit board.
- Circuit member provided between the first and second circuit members in a state where the first and second circuit electrodes face each other, and a circuit connection for electrically connecting the first and second circuit electrodes.
- a circuit member comprising: an adhesive composition containing conductive particles in an amount of 0.1 to 30% by volume based on the total volume of the adhesive composition; or a cured product thereof.
- a semiconductor element having a connection electrode, a circuit member having a circuit electrode on a main surface of a circuit board, and a semiconductor element and a circuit member provided between the semiconductor element and the circuit member with the connection electrode and the circuit electrode facing each other.
- a circuit connecting member for electrically connecting between the connection electrode and the circuit electrode, wherein the circuit connecting member is configured to move the conductive particles in a range of 0.1 to 30 with respect to the total volume of the adhesive composition. volume. / 0 adhesive made from the composition or the cured product containing a semiconductor device by the conductive particles of the adhesive composition or the cured product in the connection electrode and the circuit conducting inter-electrode are electrically connected.
- FIG. 1 is a cross-sectional view of a connection body according to an embodiment connected by an adhesive composition for circuit connection containing no conductive particles.
- FIG. 2 is a cross-sectional view showing a first circuit member, a second circuit member, and a film-like adhesive composition for circuit connection (containing no conductive particles).
- FIG. 3 is a cross-sectional view showing a connection body according to the embodiment, which is connected by a circuit connection adhesive composition containing conductive particles.
- FIG. 2003 is a cross-sectional view schematically showing a composition (containing conductive particles).
- FIG. 5 is a perspective view of the semiconductor device according to the embodiment.
- FIG. 6 is a sectional view taken along the line VI-VI of FIG.
- thermoplastic resin of the component (a) used in the present invention known resins can be used without any particular limitation.
- polymers include polyimides, polyamides, phenoxy resins, poly (meth) acrylates, polyimides, polyurethanes, polyesters, and polybutyrals. These can be used alone or in combination of two or more. Further, these resins may contain a siloxane bond or a fluorine substituent. These can be suitably used as long as the resins to be mixed are completely compatible with each other or are in a state where micro phase separation occurs and the mixture becomes cloudy.
- the molecular weight of the resin is not particularly limited, the general weight average molecular weight is preferably 5,000 to 1,500,000,
- 000-80, 000 is particularly preferred. If this value is less than 5,000, the film formability tends to be poor, and if it exceeds 150,000, the compatibility with other components tends to be poor.
- the radical polymerizable compound having two or more (meth) acryloyl groups a known polymerizable compound may be used without any particular limitation. it can.
- oligomers such as epoxy (meth) acrylate copolymer, urethane (meth) acrylate copolymer, polyether (meth) acrylate copolymer, polyester (meth) acrylate copolymer, and trimethyl Roll propane tri (meth) acrylate, polyethylene glycol di (meth) acrylate, polyalkylene glycol (meth) acrylate, dicyclo II Mentur (meth) acrylate, dicyclopentenyloxyshethyl (meth) atalylate, neopentynoleglycorone (meta) atalylate, dipentaerythritol hexyl (meth) acrylate, isocyanuric acid-modified bifunctional (meth) atalylate
- Polyfunctional (meth) acrylate compounds such as trifunctional (meth) acrylate, 2,2, -di (meth) a cryloyl mouth xicetyl phosphate, and 2-
- the addition amount of the component (b) is preferably 50 to 250 parts by weight, more preferably 60 to 150 parts by weight, based on 100 parts by weight of the component (a). It is. If the amount is less than 50 parts by weight, the heat resistance after curing may be reduced.If the amount exceeds 250 parts by weight, film formability may be reduced when used as a film. .
- the component (c) as a curing agent that generates radicals by irradiation with light of 150 to 700 nm and Z or heating at 80 to 200 ° C. includes: Known compounds such as ⁇ -acetoaminophenone derivatives, peroxides and azo compounds can be used without any particular limitation. As these compounds, peroxides are more preferable, particularly from the viewpoint of easy design of the curing temperature. As a peroxide that can be used, it is convenient to refer to a one-minute half-life temperature indicating a measure of peroxide decomposition, and a one-minute half-life temperature of 40 ° C or more and 200 ° C or less is used. Among them, the half-life temperature for one minute is more preferably 60 ° C or more and 170 ° C or less. 1-minute half-life temperature of 4
- the storage stability may be impaired. If the temperature is higher than 200 ° C, it may take a long time to cure.
- Examples of such a curing agent include diasiloxide derivatives, nonoxydicarbonate derivatives, peroxyester derivatives, peroxyketal derivatives, dialkylperoxide derivatives, and hydroperoxides. Oxide derivatives.
- Examples of the dicyl peroxide derivatives include 2,4-zig mouth benzoinoleperoxide, 3,5,5-trimethynolehexaenoleperoxide, and otatanoy. Luper oxide, lauroyl peroxide, stearoyl baroxide, succinic peroxide, benzoy / reha. And benzoyl peroxide, benzoyl peroxide and the like.
- peroxydicarbonate derivatives di-n-propyl peroxydicarbonate, diisopropyl peroxydicarbonate, bis (4-t-butynolec hexinole) peroxydicarbonate, G Examples thereof include 2-ethoxymethoxyperoxydicarbonate, di (2-ethynolehexoxyperoxy) dicarbonate, dimethoxybutylperoxydicarbonate, and di (3-methyl-3-methoxybutyroxy) dicarbonate.
- the peroxyester derivatives include 1,1,3,3-tetramethinolebutylperoxyneodecanoate, 1-cyclohexyl-1-methylethynole peroxynodecanoate, and t-type Xy ⁇ / peroxy neodecanoate, t-butyl peroxybivalate, 1,1,3,3-tetramethylbutyl peroxy
- the peroxyketal derivatives include 1,1-bis (t-hexylperoxy) -1,3,3,5-trimethylcyclohexane, and 1,1-bis (t-hexynoleoxy). ) 1,3,3,5-Trimethinolecyclohexane, 1,11- (t-butylperoxy) cyclododecane, 2,2-bis (4,4-zy-t-Ptinoleperoxycyclohexyl) .Propane, 2,2 —Bis (t-butylperoxy) decane and the like.
- dialkyl peroxide derivative examples include ⁇ , hi, bis (t-butylperoxy) diisopropylbenzene, dicumyl peroxide, 2,5-dimethyl-2,5-di (t-butyloxy). Hexane, t-butyl cumyl peroxide and the like.
- hydroperoxides diisopropylbenzene hydroperoxide, cumene hydroperoxide and the like can be mentioned.
- the amount of the component (c) added is preferably 0.5 to 30 parts by weight, more preferably 1 to 20 parts by weight, based on 100 parts by weight of the component (a). If the amount is less than 0.5 part by weight, insufficient curing may be feared. If the amount exceeds 30 parts by weight, the storage stability may be reduced.
- the viscosity of the liquid rubber alone containing no solvent or the like at 25 ° C. is 10 to 1,000 Pa's (preferably Can be used, a compound of 50 to 800 Pa as, more preferably 100 to 500 Pa ⁇ s, and even more preferably 150 to 250 Pa ⁇ s.
- the viscosity was measured by a cone and plate type geometer using a rotational speed control type viscometer (such as E-type viscometer). The rotational speed was 0.5 to 50 rp; m, 25 °. It is the value measured in C.
- the viscosity is less than 10 Pa ⁇ s
- the elastic modulus after curing may be significantly reduced, and the viscosity exceeds 1 000 Pa's.
- the adhesiveness may decrease.
- Such liquid rubbers include polyisoprene, polybutadiene, styrene-butadiene copolymer, acrylonitrile-butadiene copolymer,
- the modified product refers to a product having a structure different from the main structure introduced into a side chain, a terminal, or the like, for example, by copolymerizing a monomer having a crosslinkable functional group.
- liquid acrylonitrile-tagene rubber having a relatively high polarity liquid acrylonitrile-butadiene rubber containing a carboxyl group, a hydroxyl group, a (meth) acryloyl group or a morpholine group at the polymer end, a liquid carboxyl group Nitrile rubber is more preferable, and the content of acrylonitrile as a polar group is more preferably 10 to 60%.
- the adhesive strength can be further increased.
- the amount of the component (d) is from 1 to 5 parts per 100 parts by weight of the component (a). 0 parts by weight, preferably 10 to 30 parts by weight. If the amount is less than 1 part by weight, it is difficult to obtain a high adhesive strength. If the amount exceeds 50 parts by weight, the physical properties of the cured adhesive are significantly reduced, and the reliability may be reduced.
- the conductive particles used in the present invention include metal particles such as Au, Ag, Ni, Cu, and solder, and carbon.
- metal particles such as Au, Ag, Ni, Cu, and solder, and carbon.
- non-conductive glass, ceramic, plastic, or the like may be used as a core, and the core may be coated with the metal, metal particles, or carbon.
- plastic cores it is preferable to use plastic cores as conductive particles, and the cores coated with the above-mentioned metals, metal particles or carbon, or hot-melted metal particles. It is preferable because the contact area with the electrode is increased at the time of connection and connection reliability is improved.
- the average particle size of the conductive particles is preferably from 1 to 18 m from the viewpoint of dispersibility and conductivity. If the average particle size is less than 1 m, electrical connection between circuit electrodes may not be sufficient.If it exceeds 18 ⁇ um, it is difficult to apply to high-density circuit members where the distance between electrodes is narrow. become.
- the use amount of the conductive particles is not particularly limited, but it is preferable that the conductive particles be contained in an amount of 0.1 to 30% by volume based on the total volume of the adhesive composition. and more preferably in a volume 0/0. If this value is less than 0.1% by volume, the conductivity tends to be poor. If it exceeds 30% by volume, a short circuit may occur. In addition, volume. Although / 0 is determined based on the volume of each component before curing at 23 ° C., the volume of each component can be converted from weight to volume using specific gravity. In addition, put the component in a suitable solvent (water, alcohol, etc.) that does not dissolve or swell the component in a graduated cylinder, etc., but wet the component well. It can also be calculated as volume.
- the adhesive composition of the present invention may optionally contain additives such as a coupling agent represented by an alkoxysilane derivative and a silazane derivative, an adhesion improver, and a leveling agent.
- the adhesive composition of the present invention has a functional group polymerized by an active radical such as an aryl group, a maleimide group, or a bur group in addition to the component (b) for the purpose of improving the crosslinking ratio. May be appropriately added.
- an active radical such as an aryl group, a maleimide group, or a bur group
- the adhesive composition of the present invention may use a monofunctional (meth) acrylate for the purpose of improving fluidity.
- a monofunctional (meth) acrylate for the purpose of improving fluidity.
- the adhesive composition of the present invention When the adhesive composition of the present invention is in a paste state at normal temperature, it can be used as it is in a paste form. When it is solid at room temperature, it may be used by heating, or may be made into a paste using a solvent.
- the solvent that can be used is not particularly limited as long as it is not reactive with the adhesive composition and additives and shows sufficient solubility, but the boiling point at normal pressure is 50 to 15 A temperature of 0 ° C. is preferred. If the boiling point is less than 50 ° C, it may volatilize if left at room temperature, which limits its use in open systems. If the boiling point is more than 150 ° C, it is difficult to evaporate the solvent, which may adversely affect the reliability after bonding.
- the adhesive composition of the present invention is preferably used in the form of a film.
- a solution obtained by adding a solvent or the like as necessary to the adhesive composition is applied to a releasable substrate such as a fluororesin film, polyethylene terephthalate film, release paper, or the solution is applied to a substrate such as a nonwoven fabric. , And placed on a peelable substrate to remove a solvent or the like and use the film as a film.
- a releasable substrate such as a fluororesin film, polyethylene terephthalate film, release paper, or the solution is applied to a substrate such as a nonwoven fabric.
- a peelable substrate to remove a solvent or the like and use the film as a film.
- the adhesive composition of the present invention can be adhered while applying pressure by simultaneous irradiation with light and Z or heating. By using these together, bonding at lower temperature and shorter time becomes possible.
- the light irradiation is preferably irradiation light in the wavelength range of 150 to 75 nm, using a low-pressure mercury lamp, medium-pressure mercury lamp, high-pressure mercury lamp, ultra-high-pressure mercury lamp, xenon lamp, or metal halide lamp. it is preferred to cure at dose of j Z cm 2.
- the heating temperature is not particularly limited, but a temperature of 50 to 170 ° C is preferable.
- the pressure is not particularly limited as long as the pressure does not damage the adherend, but generally 0.1 to 1 OMPa is preferable.
- the heating and pressurizing are preferably performed in a range of 0.5 seconds to 3 hours.
- the adhesive composition of the present invention can be used, for example, as an adhesive for adherends of different types having different coefficients of thermal expansion.
- anisotropic conductive adhesive silver It can be used as a circuit connecting material typified by silver film, silver film, etc., an elastomer for CSP, an underfill material for CSP, and a semiconductor element adhesive material typified by LOC tape.
- the adhesive composition for circuit connection of the present invention comprises the above-mentioned adhesive composition, and is used, for example, to obtain a connected body or a semiconductor device in which circuit members are connected as described below. be able to.
- FIG. 1 is a cross-sectional view illustrating a connection body according to an embodiment using a circuit connection adhesive composition containing no conductive particles.
- the connection body 100 shown in FIG. 1 includes a first circuit member 30 having a first circuit electrode 32 on a main surface 31a of a first circuit board 31; A second circuit member 40 having a second circuit electrode 42 on the main surface 41a of the second circuit board 41, a first circuit electrode 32 and a second circuit electrode 42 are connected. A circuit that is provided between the first circuit member 30 and the second circuit member 40 in an opposed state, and electrically connects the first circuit electrode 32 and the second circuit electrode 42.
- Connection member 10C The circuit connecting member 10 C is made of a cured product of the circuit connecting adhesive composition 10 (the above-described adhesive composition can be applied as the circuit connecting adhesive composition).
- the first circuit electrode 32 and the second circuit electrode 42 are electrically connected to each other by being in contact with each other.
- the connector 100 shown in FIG. 1 can be manufactured, for example, as follows.
- a first circuit member 30, a second circuit member 40 and a circuit-connecting adhesive composition 10 formed into a film are prepared.
- the adhesive composition 10 for circuit connection is applied to the second circuit electrode 4 in the second circuit member 40. 2 on the surface on which the second circuit electrode 42 is formed, and further on the adhesive composition 10 for circuit connection so that the first circuit electrode 32 faces the second circuit electrode 42. Place the member 30.
- the adhesive composition for circuit connection 10 is cured while being heated via the first circuit member 30 and the second circuit member 40, and at the same time, the main surfaces 31 a and 41 are heated. Pressure is applied in a direction perpendicular to a to form a circuit connecting member 100 C between the first and second circuit members 30 and 40, thereby obtaining the connecting body 100 in FIG.
- FIG. 3 is a cross-sectional view showing a connection body according to an embodiment using a circuit connection adhesive composition containing conductive particles.
- connection body 200 shown in FIG. 3 includes a first circuit member 30 having a first circuit electrode 32 on a main surface 31a of a first circuit board 31; A second circuit member 40 having a second circuit electrode 42 on the main surface 41a of the second circuit board 41, a first circuit electrode 32 and a second circuit electrode 42 are connected. A circuit that is provided between the first circuit member 30 and the second circuit member 40 in an opposed state, and electrically connects the first circuit electrode 32 and the second circuit electrode 42.
- Connection member 20C is a circuit connecting adhesive in which the conductive particles 22 are dispersed in the resin composition 21, and a cured product of the composition 20 (that is, a cured product of the resin composition 21 C). The conductive particles 22 are dispersed between the first circuit electrode 32 and the second circuit electrode 42 facing each other. Both circuit electrodes are electrically connected via the particles 22.
- connection body 200 shown in FIG. 3 is a first circuit member 30, a second circuit member 40, and a circuit connection formed in a film shape.
- the adhesive composition 20 is prepared, and can be manufactured by the same method as the method for obtaining the connection body 100 in FIG. 1 described above.
- the adhesive composition 20 for circuit connection is a resin composition 21 in which conductive particles 22 are dispersed.
- the resin composition 21 includes the above adhesive composition (provided that the conductive particles are Not included) can be applied.
- the materials constituting the circuit board include semiconductor, glass, and ceramic.
- Inorganic materials such as polyimide, polycarbonate and the like, composite materials made of glass fiber Zepoxy resin, and the like can be used alone or in combination.
- circuit members having circuit electrodes include a liquid crystal display element, a tape carrier package (TCP), a two-layer flexible circuit board (FPC), and the like.
- the circuit electrodes can be electrically connected to each other.
- FIG. 5 is a perspective view of the semiconductor device according to the embodiment.
- an electrode of a semiconductor element and an electrode of a mounting substrate (circuit member) facing the semiconductor element are interposed with an adhesive composition for circuit connection, and a mounting substrate (circuit member) opposing the electrode of the semiconductor element.
- a semiconductor device 300 shown in FIG. 5 includes a semiconductor element 50, a circuit member 60 having a circuit electrode 62 on a main surface 61 a of a circuit board 61, and a semiconductor element 500. And a circuit connection member 20C provided between the semiconductor element 50 and the circuit member 60 in a state where the connection electrode of 0 and the circuit electrode 62 are opposed to each other.
- the circuit electrode 62 and the connection electrode of the semiconductor element 50 (shown as the connection electrode 52 in FIG. 6) are electrically connected.
- FIG. 6 is a cross-sectional view taken along the line VI-VI of FIG.
- a semiconductor device 300 shown in FIG. 6 includes a semiconductor element 50 having a connection electrode 52 on a main surface 51 a of a semiconductor element body 51 and a main surface 6 of a circuit board 61. 1a, a circuit member 60 having a circuit electrode 62 on a, and a connection electrode 52 provided between the semiconductor element 50 and the circuit member 60 with the connection electrode 52 and the circuit electrode 62 facing each other. 2 and a circuit connecting member 20 C for electrically connecting the circuit electrode 62 to the circuit electrode 62.
- the circuit connection member 20 C is a cured product of the circuit connection adhesive composition 20 in which the conductive particles 22 are dispersed in the resin composition 21 (that is, a cured product of the resin composition 21 C).
- Conductive particles 22 The conductive particles 22 are in contact with both electrodes between the opposing connection electrode 52 and the circuit electrode 62, so that both electrodes are electrically connected via the conductive particles 22. .
- the semiconductor device 300 is manufactured by preparing the semiconductor element 50, the circuit member 60, and the adhesive composition 20 for circuit connection by the same method as the method for obtaining the connection body 100 in FIG. 1 described above. Can be.
- Specific examples of the semiconductor device include a device in which an IC chip as a semiconductor element and a chip connection substrate are connected.
- thermoplastic resin 40 g of a phenoxy resin (PKHC, trade name of Union Carbide, average molecular weight: 45,000) was dissolved in 60 g of methylethyl ketone, and a solution having a solid content of 40% by weight was dissolved. did.
- PKHC phenoxy resin
- isocyanuric acid EO-modified diatalylate M-215, trade name of Toagosei Co., Ltd.
- 2- (meth) acryloyloxetyl phosphate light ester P-2M, Kyoeisha Co., Ltd.
- a film adhesive obtained by the above method Using a film adhesive obtained by the above method, a two-layer structure having 500 copper circuits with a line width of 50; / m, a pitch of 100 ⁇ , and a thickness of 8 / im on a 38 ⁇ thick polyimide film.
- a flexible circuit board (FPC) and a glass (thickness: 1.1 mm, surface resistance: 20 ⁇ ) with a thin layer of 0.2 ⁇ of ITO are bonded to a thermocompression bonding device (heating method: constant heat type, Toray) (Manufactured by Engineering Co., Ltd.) and heated and pressurized at 160 ° C. and 3 MPa for 10 times to connect over a width of 2 mm to produce a connected body.
- thermocompression bonding device heating method: constant heat type, Toray
- the resistance value between adjacent circuits of the connection body was measured by a multimeter immediately after bonding and after holding in a high-temperature and high-humidity bath at 85 ° C. and 85% RH for 120 hours.
- the resistance was shown as an average (x + 3 ⁇ ; ⁇ : standard deviation) of 150 points of resistance between adjacent circuits.
- connection strength of this connection body was measured and evaluated by a 90-degree peeling method according to JIS-Z0237.
- the adhesive strength was measured using Tensilon UTM-4 manufactured by Toyo Baldwin Co., Ltd. (peeling speed: 5 OmmZin in, 25 ° C). Used.
- peeling speed 5 OmmZin in, 25 ° C.
- Example 1 As in Example 1, except that 5 parts by weight of nitrile rubber (Nipo 1 HF01, trade name of Nippon Zeon Co., Ltd.) which is solid at 25 ° C was used in place of the liquid rubber of Example 1. Then, a film adhesive was prepared and evaluated. In addition, Nipo1 HF01 is 25. Since it was a solid in C, it was impossible to measure the viscosity of the rubber alone.
- Nipo 1 HF01 trade name of Nippon Zeon Co., Ltd.
- the adhesive compositions obtained in Examples 1 and 2 exhibited good connection resistance and adhesive strength immediately after bonding and after being kept in a high-temperature and high-humidity bath at 85 ° C and 85% RH for 120 hours. It has high durability.
- Comparative Example 1 when the liquid rubber of the present invention was not used (Comparative Example 1), a good value was shown immediately after bonding, but the sample was kept in a high-temperature, high-humidity bath at 85 ° C and 85% RH for 120 hours. Later, the connection resistance increased, and the bonding strength showed a low value immediately after bonding and also after being kept in a high-temperature, high-humidity bath at 85 ° C and 85% RH for 120 hours. In Comparative Example 2 in which solid rubber was added at 25 ° C., satisfactory connection was not obtained with high connection resistance and low adhesive strength.
- Example 1 The film adhesive obtained in Example 1 was subjected to vacuum packaging, After leaving at 0 ° C for 5 days, the FPC and ITO were heated and pressed in the same manner.Connection resistance immediately after bonding: 2.1 ⁇ , bonding strength: 760 N / m, high temperature of 85 ° C, 85% RH It has a connection resistance of 2.9 ⁇ and an adhesive strength of 70 ON / m after being kept in a high humidity tank for 120 hours.It shows the same good value immediately after bonding and after a reliability test as before, and has excellent storage stability I understood that.
- an adhesive composition a circuit-connecting adhesive composition, a connector, and a semiconductor device which exhibit high adhesive strength when cured at a low temperature for a short time and have excellent storage stability. it can.
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Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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JP2004556874A JP4304508B2 (ja) | 2002-11-29 | 2003-12-01 | 接着剤組成物、回路接続用接着剤組成物、接続体及び半導体装置 |
AU2003284508A AU2003284508A1 (en) | 2002-11-29 | 2003-12-01 | Adhesive composition, adhesive composition for circuit connection, connected circuit structure, and semiconductor devices |
US11/138,645 US7576141B2 (en) | 2002-11-29 | 2005-05-27 | Adhesive composition, adhesive composition for circuit connection, connected body semiconductor device |
US12/492,492 US7795325B2 (en) | 2002-11-29 | 2009-06-26 | Adhesive composition, adhesive composition for circuit connection, connected body semiconductor device |
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JP2002-348026 | 2002-11-29 | ||
JP2002348026 | 2002-11-29 |
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US11/138,645 Continuation-In-Part US7576141B2 (en) | 2002-11-29 | 2005-05-27 | Adhesive composition, adhesive composition for circuit connection, connected body semiconductor device |
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WO2004050779A1 true WO2004050779A1 (ja) | 2004-06-17 |
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PCT/JP2003/015351 WO2004050779A1 (ja) | 2002-11-29 | 2003-12-01 | 接着剤組成物、回路接続用接着剤組成物、接続体及び半導体装置 |
Country Status (7)
Country | Link |
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US (2) | US7576141B2 (ja) |
JP (1) | JP4304508B2 (ja) |
KR (3) | KR100780136B1 (ja) |
CN (2) | CN1288219C (ja) |
AU (1) | AU2003284508A1 (ja) |
TW (5) | TW200718769A (ja) |
WO (1) | WO2004050779A1 (ja) |
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WO2006136603A1 (de) * | 2005-06-24 | 2006-12-28 | Mühlbauer Ag | Verfahren und vorrichtung zum dauerhaften verbinden integrierter schaltungen mit einem substrat |
WO2007046189A1 (ja) * | 2005-10-18 | 2007-04-26 | Hitachi Chemical Company, Ltd. | 接着剤組成物、回路接続材料、回路接続部材の接続構造及び半導体装置 |
WO2007046190A1 (ja) * | 2005-10-18 | 2007-04-26 | Hitachi Chemical Company, Ltd. | 接着剤組成物、回路接続材料、回路部材の接続構造及び半導体装置 |
JP2008111091A (ja) * | 2006-10-06 | 2008-05-15 | Hitachi Chem Co Ltd | 接着剤フィルム及び回路接続材料 |
WO2010038753A1 (ja) * | 2008-09-30 | 2010-04-08 | ソニーケミカル&インフォメーションデバイス株式会社 | 異方性導電接着剤及びそれを用いた接続構造体の製造方法 |
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JP2011061241A (ja) * | 2006-04-26 | 2011-03-24 | Hitachi Chem Co Ltd | 接着剤 |
KR101508761B1 (ko) | 2011-12-12 | 2015-04-06 | 제일모직주식회사 | 광학 필름용 조성물 및 이로부터 제조된 광학 필름 |
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- 2003-12-01 KR KR1020067024723A patent/KR100780136B1/ko active IP Right Grant
- 2003-12-01 TW TW095147925A patent/TW200718766A/zh not_active IP Right Cessation
- 2003-12-01 TW TW096120749A patent/TW200801156A/zh unknown
- 2003-12-01 JP JP2004556874A patent/JP4304508B2/ja not_active Expired - Fee Related
- 2003-12-01 TW TW096120755A patent/TW200745301A/zh unknown
- 2003-12-01 KR KR1020067024722A patent/KR100780135B1/ko active IP Right Grant
- 2003-12-01 CN CNB2003801005869A patent/CN1288219C/zh not_active Expired - Fee Related
- 2003-12-01 TW TW092133727A patent/TWI288170B/zh not_active IP Right Cessation
- 2003-12-01 CN CN2006101371470A patent/CN1931947B/zh not_active Expired - Fee Related
- 2003-12-01 KR KR1020047019504A patent/KR100730629B1/ko active IP Right Grant
- 2003-12-01 AU AU2003284508A patent/AU2003284508A1/en not_active Abandoned
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Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006136603A1 (de) * | 2005-06-24 | 2006-12-28 | Mühlbauer Ag | Verfahren und vorrichtung zum dauerhaften verbinden integrierter schaltungen mit einem substrat |
WO2007046189A1 (ja) * | 2005-10-18 | 2007-04-26 | Hitachi Chemical Company, Ltd. | 接着剤組成物、回路接続材料、回路接続部材の接続構造及び半導体装置 |
WO2007046190A1 (ja) * | 2005-10-18 | 2007-04-26 | Hitachi Chemical Company, Ltd. | 接着剤組成物、回路接続材料、回路部材の接続構造及び半導体装置 |
CN102277091A (zh) * | 2005-10-18 | 2011-12-14 | 日立化成工业株式会社 | 粘接剂组合物、电路连接材料、电路构件的连接构造及半导体装置 |
JPWO2007046190A1 (ja) * | 2005-10-18 | 2009-04-23 | 日立化成工業株式会社 | 接着剤組成物、回路接続材料、回路部材の接続構造及び半導体装置 |
JPWO2007046189A1 (ja) * | 2005-10-18 | 2009-04-23 | 日立化成工業株式会社 | 接着剤組成物、回路接続材料、回路接続部材の接続構造及び半導体装置 |
JP2011061241A (ja) * | 2006-04-26 | 2011-03-24 | Hitachi Chem Co Ltd | 接着剤 |
JP2011066448A (ja) * | 2006-04-26 | 2011-03-31 | Hitachi Chem Co Ltd | 接着テープ及びそれを用いた太陽電池モジュール |
JP2012216843A (ja) * | 2006-04-26 | 2012-11-08 | Hitachi Chem Co Ltd | 接着テープ及びそれを用いた太陽電池モジュール |
US8969707B2 (en) | 2006-04-26 | 2015-03-03 | Hitachi Chemical Company, Ltd. | Adhesive tape and solar cell module using the same |
US8969706B2 (en) | 2006-04-26 | 2015-03-03 | Hitachi Chemical Company, Ltd. | Adhesive tape and solar cell module using the same |
JP2008111091A (ja) * | 2006-10-06 | 2008-05-15 | Hitachi Chem Co Ltd | 接着剤フィルム及び回路接続材料 |
WO2010038753A1 (ja) * | 2008-09-30 | 2010-04-08 | ソニーケミカル&インフォメーションデバイス株式会社 | 異方性導電接着剤及びそれを用いた接続構造体の製造方法 |
WO2010095715A1 (ja) * | 2009-02-20 | 2010-08-26 | ヘンケル コーポレイション | 電極の接続方法およびそれに使用される接続組成物 |
JP5490089B2 (ja) * | 2009-02-20 | 2014-05-14 | ヘンケル コーポレイション | 電極の接続方法およびそれに使用される接続組成物 |
KR101508761B1 (ko) | 2011-12-12 | 2015-04-06 | 제일모직주식회사 | 광학 필름용 조성물 및 이로부터 제조된 광학 필름 |
JP2016189380A (ja) * | 2015-03-30 | 2016-11-04 | デクセリアルズ株式会社 | 熱硬化性接着シート、及び半導体装置の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
US7576141B2 (en) | 2009-08-18 |
CN1692149A (zh) | 2005-11-02 |
TWI288170B (en) | 2007-10-11 |
CN1931947B (zh) | 2013-05-22 |
US20050282924A1 (en) | 2005-12-22 |
US20090261483A1 (en) | 2009-10-22 |
TW200718766A (en) | 2007-05-16 |
KR20060130268A (ko) | 2006-12-18 |
AU2003284508A1 (en) | 2004-06-23 |
TW200745301A (en) | 2007-12-16 |
JPWO2004050779A1 (ja) | 2006-03-30 |
KR100730629B1 (ko) | 2007-06-20 |
TWI328602B (ja) | 2010-08-11 |
CN1288219C (zh) | 2006-12-06 |
JP4304508B2 (ja) | 2009-07-29 |
KR20060133112A (ko) | 2006-12-22 |
KR100780136B1 (ko) | 2007-11-28 |
KR20050044767A (ko) | 2005-05-12 |
TW200422372A (en) | 2004-11-01 |
TW200718769A (en) | 2007-05-16 |
TWI342327B (ja) | 2011-05-21 |
TW200801156A (en) | 2008-01-01 |
US7795325B2 (en) | 2010-09-14 |
CN1931947A (zh) | 2007-03-21 |
KR100780135B1 (ko) | 2007-11-28 |
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