Patent ID: 8470918

Claim:
An epoxy resin composition comprising; at least one type of epoxy resin (A) selected from a first epoxy resin represented by the following formula (1), a second epoxy resin represented by the following formula (2), a third epoxy resin represented by the following formula (12), a fourth epoxy resin represented by the following formula (13), and a fifth epoxy resin represented by the following formula (10); a compound (C) having at least two cyanate groups per molecule; and an inorganic filler (D), the epoxy resin composition being with pulverized for sealing a semiconductor element, and being used in an area-mounted semiconductor device, to be molded by at least one molding method selected from transfer mold, compression mold, and injection mold, wherein the epoxy resin composition is free from aluminum hydroxide, wherein a represents 0 to 10, wherein k represents 2 to 10.