Patent ID: 7285329
Filing Date: 2007-10-23
Classification: B22F,B82Y,C22C,G11B,H01F,Y10T

Abstract:
1. Fine composite metal particles each comprising a metal core comprising a magnetic metal as a main component and having an average particle size of 10 μm or less, and a multilayer coating of 2 or more different inorganic materials, wherein an innermost inorganic layer partially or entirely covering said metal core is mainly formed by carbon and/or boron nitride, or said innermost inorganic layer comprises at least one element selected from the group consisting of Si, V, Ti, Al, Nb, Zr and Cr, and wherein an inorganic layer is provided outside said innermost inorganic layer which inorganic layer provided outside said innermost inorganic layer is substantially composed of gold.