LOW TEMPERATURE SINTERED SILVER NANOPARTICLE COMPOSITION AND ELECTRONIC ARTICLE FORMED USING THE COMPOSITION

摘要

PROBLEM TO BE SOLVED: To provide a silver nanoparticle composition which is superior to adhesion to a substrate and can form a metal membrane or an electrical conduction circuit at a low temperature and in a short time.SOLUTION: A silver nanoparticle composition that a secondary aggregation diameter (median diameter) measured with a disk centrifuging-type particle size distribution measurement is not more than 2.0μm, a primary particle size metered with a transmission electron microscope is not more than 30 nm, main constituent of solvent is water, nitric acid component is 0.2-8.0 mass%, is a metal nanoparticle composition, and an electric conductivity is not less than 1 S/m.