Patent ID: 7592660

Claim:
A semiconductor device comprising: a semiconductor substrate; a base insulating film formed over the semiconductor substrate; a capacitor formed over the base insulating film by sequentially forming a lower electrode, a capacitor dielectric film formed of a ferroelectric material, and an upper electrode; an interlayer insulating film covering the capacitor; a first wiring formed over the interlayer insulating film; a single-layer first insulating film which covers the interlayer insulating film and the first wiring and has a first film thickness over the first wiring; a first capacitor protective insulating film formed over the first insulating film; a first cover insulating film which is formed over the first capacitor protective insulating film and has a second film thickness over the first wiring, the second film thickness being thicker than the first film thickness; a first hole formed in the first cover insulating film, the first capacitor protective insulating film, and the first insulating film, over the first wiring; a first conductive plug which is formed in the first hole and is electrically connected to the first wiring; and a second wiring which is formed over the first cover insulating film and is electrically connected to the first conductive plug.