Patent ID: 7632884

Claim:
A liquid composition for a composite dielectric, which comprises an inorganic dielectric and a fluorinated aromatic polymer, wherein the inorganic dielectric is dispersed in the fluorinated aromatic polymer, and wherein said inorganic dielectric is within a range of 700 to 2,000 parts by mass relative to 100 parts by mass of said fluorinated aromatic polymer, and wherein said fluorinated aromatic polymer includes the repeating units represented by the following formula (1); in the formula (1), R is same or different and is any one represented by the following structural formula groups (3) or an organic chain formed by combining these, Z is represented by the following structural formula (4-6), in the formula (4-6), X is a diphenyl ether chain, bisphenol A chain, bisphenol F chain or fluorene chain, m and m′ respectively are same or different and each represents numbers of fluorine atoms bonded to the aromatic rings and are an integer of not less than 0 and m+m′=1 to 8, n represents the polymerization degree and is within a range of 2 to 5000, and wherein said structural formula groups (3) are selected from the group consisting of: