Patent ID: 7342063

Claim:
A high dielectric constant film prepared by a process, comprising: electrodepositing a film from an aqueous dispersion comprising inorganic particles comprised of a compound selected from the group consisting of barium titanate, lead titanate, bismuth titanate, magnesium titanate and neodymium titanate, having a mean particle size of no greater than 1 μm and a dielectric constant of at least 30, and organic particles comprised of either or both of a polymerizable compound and a polymer, wherein said organic particles have a charge on the particle surfaces and fulfill at least one of the following conditions (i) and (ii) (i) said organic particles are composite particles of (A) organic solvent-soluble polyimide and (B) hydrophilic polymer, (ii) said organic particles comprise composite particles of (C) polyamic acid and (D) hydrophobic compound.