DIELECTRIC THERMOSETTING COMPOSITE FILM AND ITS MANUFACTURING METHOD

摘要

PROBLEM TO BE SOLVED: To obtain a dielectric film which can form a built-in capacitor in a substrate such as a printed board, and its manufacturing method. SOLUTION: The dielectric thermosetting composite film 1 having flexibility is obtained by incorporating dielectric ceramics having a high dielectric constant into a thermosetting resin such as an epoxy resin having an epoxy equivalent weight of 150-2,500, and has a dielectric constant of >=25.