Semiconductor device having improved electrical characteristics and method of producing the same

摘要

A semiconductor device is provided, which device includes a semiconductor substrate including a plurality of signal pads and ground pads, an insulating film formed on the semiconductor substrate, a conductive metal film formed on the insulating film and electrically connected to the ground pads and a plurality of first interconnection lines electrically connected to the signal pads and insulated from the conductive metal film. The conductive metal film is formed over a region including the first interconnection lines in a plan view of the semiconductor device.