Patent ID: 7169327

Claim:
A dielectric-forming composition comprising: (A) composite particles for dielectrics in which part or all of the surfaces of inorganic particles with permittivity of 30 or greater are coated with at least one conductor selected from the group consisting of gold, silver, copper, tin, platinum, palladium, ruthenium, Fe, Ni, Co, Ge, Si, Zn, Ti, Mg Al, an alloy of gold, an alloy of silver, an alloy of copper, an alloy of tin, an alloy of platinum, an alloy of palladium, an alloy of ruthenium, an alloy of Fe, an alloy of Ni, an alloy of Co, an alloy of Ge, an alloy of Si, an alloy of Zn, an alloy of Ti, an alloy of Mg, an alloy of Al, titanium nitride, TCNQ (7,7,8,8-tetracyanoquinodimethane), polypyrrole, polyaniline, and polythiophene; wherein the average particle size of the composite particles for dielectrics is 0.1 to 5 μm, wherein the amount of the at least one conductor is 1 to 40% by weight, and wherein the specific surface area of the composite particles for dielectrics is 1 to 20 m2/g, and (B) a resin component comprising at least one of a polymerizable compound and a polymer, wherein the volume ratio of the composite particles for dielectrics (A) to the resin component comprising at least one of a polymerizable compound and a polymer (B), (A/B), is from 40/60 to 80/20.