There is provided an epoxy resin composition for semiconductor
encapsulating use comprising: an epoxy resin (A); a phenol resin (B); a
curing accelerator (C); and an inorganic filler (D), wherein the
inorganic filler (D) contains a spherical fused silica (d1) which
contains: metal or semimetal other than silicon; and/or an inorganic
compound comprising the metal or semimetal other than silicon.