AROMATIC POLYESTER-CONTAINING CURABLE RESIN COMPOSITION CURED PRODUCT ELECTRIC AND ELECTRONIC COMPONENT AND CIRCUIT BOARD

摘要

Provided is a curable resin composition having high dielectric properties required for high-frequency electrical insulation material applications, providing a cured product excellent in low water absorption and low coefficient of linear expansion, and excellent in wiring embedding flatness and resin fluidity. This invention is aromatic polyester obtained by condensing (a) aromatic oxycarboxylic acid, (b) aromatic polyhydric carboxylic acid or aromatic polyhydric hydroxy compound, and (c) aromatic monohydroxy compound or aromatic monocarboxylic acid. Moreover, it is a curable resin composition containing the said aromatic polyester (A), the epoxy resin (D) which has two or more epoxy groups in 1 molecule, and a hardening accelerator (E).