Abstract: Objects of the present invention are to provide an electrically conductive adhesive which is capable of suppressing a rise in an electric resistance value of a joining part between an electronic component and a substrate under high temperature and high humidity while a specific resistance value is suppressed to be low; an electronic circuit using such electrically conductive adhesive; and a method for manufacturing such electronic circuit. According to the present invention, provided is the electrically conductive adhesive which includes an electrically conductive filler, a surface of the electrically conductive filler being a coating layer including silver, a compounded amount of the electrically conductive filler being 29.0 vol. % to 63.0 vol. % with respect to the electrically conductive adhesive, a compounded amount of the silver being 3.5 vol. % to 7.0 vol. % with respect to the electrically conductive adhesive.

Abstract: A coated pigment is used which includes a base of which at least the surface is composed of a light-transmitting material; and a magnetite layer coating the base, and having a crystal lattice constant of not less than 8.35 ?. At least one selected from the group consisting of silica, alumina, glass, mica and a resin is usable as the light-transmitting material.

Abstract: A composite conductive particle according to the present invention includes a first conductive particle having a particle diameter of greater than or equal to 0.1 ?m and less than or equal to 50 ?m; and a second conductive particle adhering to the surface of the first conductive particle and having a particle diameter of greater than or equal to 50 nm and less than or equal to 1000 nm, and the first conductive particle is composed of a first particle and a first metal coating covering the surface of the first particle, the second conductive particle is composed of a second particle and a second metal coating covering the surface of the second particle, a particle diameter of the first conductive particle is larger than a particle diameter of the second conductive particle, and an adhering rate of the second conductive particle.

Abstract: The present invention relates to conductive particles. The conductive particles contain core particles containing aluminum and a metal film covering the core particles, the metal film is higher in conductivity than the core particles, and a surface coverage of the core particles with the metal film is not lower than 80%.

Abstract: A composite conductive particle according to the present invention includes a first conductive particle having a particle diameter of greater than or equal to 0.1 ?m and less than or equal to 50 ?m; and a second conductive particle adhering to the surface of the first conductive particle and having a particle diameter of greater than or equal to 50 nm and less than or equal to 1000 nm, and the first conductive particle is composed of a first particle and a first metal coating covering the surface of the first particle, the second conductive particle is composed of a second particle and a second metal coating covering the surface of the second particle, a particle diameter of the first conductive particle is larger than a particle diameter of the second conductive particle, and an adhering rate of the second conductive particle.

Abstract: The present invention relates to conductive particles. The conductive particles contain core particles containing aluminum and a metal film covering the core particles, the metal film is higher in conductivity than the core particles, and a surface coverage of the core particles with the metal film is not lower than 80%.

Abstract: The present invention provides a flake-form conductive filler which is easy and low-cost to produce and has a high conductivity. The flake-form conductive filler of the present invention includes a flake-form base material and a silver coating covering the entire surface of the flake-form base material. The flake-form base material contains copper. The flake-form conductive filler has a ratio a/b between a peak intensity “a” derived from a silver (111) plane and a peak intensity “b” derived from a silver (220) plane at 2 or less in the powder X-ray diffraction measurement.

Abstract: This invention provides a colored metallic pigment, which can develop a variety of colors and varied interference colors while maintaining good lightfastness, weatherfastness and hiding power, a process for producing the same, a coating composition containing the colored metallic pigment and capable of providing a coating film having excellent finished appearance, and a cosmetic preparation containing the colored metallic pigment, having excellent hiding power, and capable of providing sharp hue. The colored metallic pigment comprises at least a metallic pigment, an amorphous silicon oxide film layer provided on the surface of the metallic pigment, a metal layer provided on the surface of the amorphous silicon oxide film layer, and metallic particles provided on the surface of the metal layer. The metallic particles are provided so as to directly cover a part of the surface of the metal layer.

Abstract: A method for producing a strain gauge comprises the steps of: preparing a transfer foil film that is obtained by coating an adhesive resin film with a foil made from a resistant material; applying the adhesive resin film surface of the transfer foil film to a desired section of an outer surface of an object whose strain is to be measured, such a roller bearing; and processing the transfer foil film to transfer a foil gauge pattern to the object via the adhesive resin.

Abstract: This invention provides a colored metallic pigment, which can develop a variety of colors and varied interference colors while maintaining good lightfastness, weatherfastness and hiding power, a process for producing the same, a coating composition containing the colored metallic pigment and capable of providing a coating film having excellent finished appearance, and a cosmetic preparation containing the colored metallic pigment, having excellent hiding power, and capable of providing sharp hue. The colored metallic pigment comprises at least a metallic pigment, an amorphous silicon oxide film layer provided on the surface of the metallic pigment, a metal layer provided on the surface of the amorphous silicon oxide film layer, and metallic particles provided on the surface of the metal layer. The metallic particles are provided so as to directly cover a part of the surface of the metal layer.