摘要:
A substrate for a printed wiring board, comprising an insulating base and a conductive layer covering a surface of the base, wherein the base has a through-hole penetrating the base, and the conductive layer is composed of a conductive ink layer that covers the entire inner surface of the through-hole and an upper surface and a lower surface of the base and that contains metal particles.
摘要:
A substrate for a printed wiring board, comprising an insulating base and a conductive layer covering a surface of the base, wherein the base has a through-hole penetrating the base, and the conductive layer is composed of a conductive ink layer that covers the entire inner surface of the through-hole and an upper surface and a lower surface of the base and that contains metal particles.
摘要:
A conductive silver paste according to the present invention comprises epoxy resin, flake-shaped silver powders having an average particle diameter of 0.5 to 50 µm, and spherical silver powders, each having its surface coated with organic matter, having an average particle diameter of not more than 1 µm, and a conductive film according to the present invention is formed by printing or applying the conductive silver paste on a surface of a base material, followed by drying, and then thermosetting the epoxy resin.