Patent ID: 7180164

Claim:
A semiconductor apparatus comprising: a housing in which device mounting portions are respectively formed on both one surface side and another surface side thereof; a first device mounted in the device mounting portion on the one surface side of the housing; a second device mounted in the device mounting portion on the other surface side of the housing; and a plurality of leads having wire bonding pad portions, supported by the housing while exposing those pad portions to the device mounting portions, and connected via wires to the first device or second device portions, wherein, first and second exposed areas of said pad portion of at least one lead among the plurality of leads are exposed to the device mounting portions such that a pad portion area exposed on the one surface side is not coincident with a pad portion area exposed on the other surface side and is supported by the housing covering the unexposed area of the opposite side of the pad portion, and at least one of the exposed areas serves as a wire bonding pad.