PASTY METAL PARTICULATE COMPOSITION, METHOD FOR MANUFACTURING SOLID METAL OR SOLID METAL ALLOY, METHOD FOR JOINING METALLIC MEMBERS, METHOD FOR MANUFACTURING PRINT WIRE BOARD, AND METHOD FOR MANUFACTURING BUMP FOR CONNECTING ELECTRIC CIRCUITS

摘要

PROBLEM TO BE SOLVED: To provide a pasty metal particulate composition yielding, when heated, a solid metal excellent in terms of adhesive strength, hardness, electroconductivity, and heat conductivity as a result of the sintering of metal particulates at a relatively low temperature, a method for manufacturing a solid metal, and a method for joining metallic members, etc.;SOLUTION: The provided pasty metal particulate composition is either a pasty metal particulate composition obtained by mixing: heat-sinterable metal particulates whose surfaces are coated with an organic substance; a polymer dispersant possessing acidic functional groups and basic functional groups; and a volatile dispersion medium having a boiling point of 70°C to 300°C and then aging the resulting mixture at -50°C to +25°C at least over a specified time or a corresponding pasty metal particulate composition additionally including heat-sinterable metal particles each yielding, when heated, a solid metal, etc., following the evaporation of the volatile dispersion medium as a result of the mutual sintering of the heat-sinterable metal particulates or of the sintering of the heat-sinterable metal particulates and the heat-sinterable metal particles. A method for manufacturing a solid metal, etc., by heating the pasty metal particulate composition, a method for firmly joining metallic members by using the pasty metal particulate composition, a method for manufacturing a print wire board possessing metal wires, and a method for manufacturing a bump for connecting electric circuits are additionally provided.;COPYRIGHT: (C)2014,JPO&INPIT