Abstract:
An epoxy resin composition for encapsulating a semiconductor device is provided. This composition contains the following components (A), (C), (D), (E), (F) and (G) as critical components: (A) an epoxy resin; (C) an inorganic filler; (D) a curing accelerator of the general formula (1): (E) a radical initiator; (F) a compound having at least two maleimide group per molecule; and (G) a phenol compound having at least one alkenyl group per molecule.