Patent ID: 7432603

Claim:
A semiconductor device encapsulated by a method comprising the steps of: encapsulating said semiconductor device having a copper or copper alloy frame having fine pitch wiring, with an epoxy resin composition comprising (A) an epoxy resin. (B) a curing agent, (C) an inorganic compound, and (D) an inorganic filler, said inorganic compound (C) having the formula (1): M1 x M2 y O z (1) wherein each of M1 and M2 is a metal element, at least one of M1 and M2 is a metal element of Group II in the Periodic Table having a second ionization potential of up to 20 eV, x, y and z each are an integer of 1 to 20; and curing said composition on said semiconductor device to encapsulate said semiconductor device.