Patent ID: 7402337
Filing Date: 2008-07-22
Classification: C01P,C04B,C09C,G11B,H01F,Y10T

Abstract:
1. A composite material comprising oxide spherical shape powder composed of dielectric material and a binder resin that has the oxide spherical powder dispersed and retained within, wherein the oxide spherical powder consists essentially of particles with a mean particle size of about 1 to 50 μm and a sphericity of 0.8 or higher, wherein the dielectric material comprises at least one material selected from the group consisting of barium titanate-neodymium ceramics, barium titanate-tin ceramics, lead-calcium ceramics, titanium dioxide ceramics, barium titanate ceramics, lead titanate ceramics, strontium titanate ceramics, calcium titanate ceramics, bismuth titanate ceramics, magnesium titanate ceramics, CaWO 4 ceramics, Ba (Mg, Nb) O 3 ceramics, Ba (Mg, Ta) O 3 ceramics, Ba (Co, Mg, Nb) O 3 ceramics and Ba (Co, Mg, Ta) O 3 ceramics.