EPOXY RESIN COMPOSITION, PREPREG, LAMINATE BOARD, MULTILAYER PRINTED WIRING BOARD, SEMICONDUCTOR DEVICE, INSULATING RESIN SHEET, AND PROCESS FOR MANUFACTURING MULTILAYER PRINTED WIRING BOARD

摘要

Disclosed is an epoxy resin composition essentially containing (A) an epoxy resin having a structure represented by the general formula (1), (B) a curing agent, (C) an inorganic filler and (D) a cyanate resin and/or a prepolymer thereof, wherein Ar represents a fused aromatic hydrocarbon group; r is an integer of 1 or more; X is a hydrogen or an epoxy group (glycidyl ether group); R1 represents one selected from the group consisting of a hydrogen, a methyl group, an ethyl group, a propyl group, a butyl group, a phenyl group and a benzyl group; n is an integer of 1 or more; p and q are an integer of 1 or more; and p's and q's in respective repeating units may be the same as or different from one another.