The present invention relates to a thermally and electrically conductive adhesive composition, which includes (A) an electrically conductive filler, (B) an epoxy resin, (C) a reactive diluent, and (D) a curing agent, wherein the component (A) is a silver powder having an average particle diameter of 1 to 10 m, the component (B) has two or more epoxy functional groups and aromatic rings in each molecule, the component (C) is a compound having two or more glycidyl ether functional groups in an aliphatic hydrocarbon chain and also having a molecular weight of 150 to 600, and the component (D) is a compound having two or more phenol functional groups in each molecule, a compound having two or more aniline functional groups in each molecule, or a mixture of these compounds, and the content of each of the components (A), (B), (C), and (D) is within a specific range.

The present invention relates to a thermally and electrically conductive adhesive composition, which includes (A) an electrically conductive filler, (B) an epoxy resin, (C) a reactive diluent, and (D) a curing agent, wherein the component (A) is a silver powder having an average particle diameter of 1 to 10 m, the component (B) has two or more epoxy functional groups and aromatic rings in each molecule, the component (C) is a compound having two or more glycidyl ether functional groups in an aliphatic hydrocarbon chain and also having a molecular weight of 150 to 600, and the component (D) is a compound having two or more phenol functional groups in each molecule, a compound having two or more aniline functional groups in each molecule, or a mixture of these compounds, and the content of each of the components (A), (B), (C), and (D) is within a specific range.

An object of the present invention is to provide an anisotropic conductive bonding member capable of achieving excellent conduction reliability and insulation reliability, a semiconductor device using the same, a semiconductor package, and a semiconductor device production method. An anisotropic conductive bonding member of the present invention includes an insulating base which is made of an inorganic material, a plurality of conductive paths which are made of a conductive member, penetrate the insulating base in a thickness direction thereof, and are provided in a mutually insulated state, and a pressure sensitive adhesive layer which is provided on a surface of the insulating base, in which each of the conductive paths has a protrusion protruding from the surface of the insulating base, the protrusion of each of the conductive paths is buried in the pressure sensitive adhesive layer, and the pressure sensitive adhesive layer contains a polymer material and an antioxidant material.

The present invention is to provide an electroconductive adhesive composition which contains a thermoplastic resin and has high heat dissipation properties and which is inhibited from suffering the bleeding-out phenomenon in which a nonpolar solvent undesirably bleeds out after die bonding. The present invention relates to an electroconductive adhesive composition including (A) electroconductive particles, (B) a thermoplastic resin, (C) a nonpolar solvent, and (D) a water-insoluble fluorochemical surfactant.

The present invention is to provide an electroconductive adhesive composition which contains a thermoplastic resin and has high heat dissipation properties and which is inhibited from suffering the bleeding-out phenomenon in which a nonpolar solvent undesirably bleeds out after die bonding. The present invention relates to an electroconductive adhesive composition including (A) electroconductive particles, (B) a thermoplastic resin, (C) a nonpolar solvent, and (D) a water-insoluble fluorochemical surfactant.

The present invention is an anisotropic conductive film including: a peelable substrate, a base layer containing an insulating resin on the peelable substrate, bumps of electroconductive nanoparticle assemblies disposed on the base layer at intervals of 1 m to 100 m, and a coating layer containing an insulating resin formed on the base layer so as to coat the bumps, wherein the peelable substrate is peelable to the base layer. This provides an anisotropic conductive film for connecting circuit electrodes having fine patterns.

The present invention is an anisotropic conductive film including: a peelable substrate, a base layer containing an insulating resin on the peelable substrate, bumps of electroconductive nanoparticle assemblies disposed on the base layer at intervals of 1 m to 100 m, and a coating layer containing an insulating resin formed on the base layer so as to coat the bumps, wherein the peelable substrate is peelable to the base layer. This provides an anisotropic conductive film for connecting circuit electrodes having fine patterns.

A semiconductor die attach composition with greater than 60% metal volume after thermal reaction having: (a) 80-99 wt % of a mixture of metal particles comprising 30-70 wt % of a lead-free low melting point (LMP) particle composition comprising at least one LMP metal Y that melts below a temperature T1, and 25-70 wt % of a high melting point (HMP) particle composition comprising at least one metallic element M that is reactive with the at least one LMP metal Y at a process temperature T1, wherein the ratio of wt % of M to wt % of Y is at least 1.0; (b) 0-30 wt % of a metal powder additive A; and (c) a fluxing vehicle having a volatile portion, and not more than 50 wt % of a non-volatile portion.

An object of the present invention is to provide an anisotropic conductive bonding member capable of achieving excellent conduction reliability and insulation reliability, a semiconductor device using the same, a semiconductor package, and a semiconductor device production method. An anisotropic conductive bonding member of the present invention includes an insulating base which is made of an inorganic material, a plurality of conductive paths which are made of a conductive member, penetrate the insulating base in a thickness direction thereof, and are provided in a mutually insulated state, and a pressure sensitive adhesive layer which is provided on a surface of the insulating base, in which each of the conductive paths has a protrusion protruding from the surface of the insulating base, the protrusion of each of the conductive paths is buried in the pressure sensitive adhesive layer, and the pressure sensitive adhesive layer contains a polymer material and an antioxidant material.

A conductive joining material and conductive joined structure for joining two joining members by a joining layer using metal nanoparticles at the time of which even if there is a difference in the amounts of heat expansion due to a difference in linear thermal expansion coefficients between these two joining members and further use at a high temperature is sought, it is possible to adjust the amount of heat expansion of the joining layer to a suitable value between the two joining members to ease the thermal stress occurring at the joining layer and possible to sufficiently hold the joint strength between the two joining members are provided.

A conductive joining material containing metal nanoparticles, microparticles of a conductive material, and a solvent, wherein the conductive material forming the microparticles has a linear thermal expansion coefficient smaller than the linear thermal expansion coefficient of the metal forming the nanoparticles and the microparticles of conductive material have an average particle size of 0.5 to 10 m.