Patent ID: 7223614

Claim:
A method for manufacturing a semiconductor device, comprising: forming a first hydrogen barrier film on a dielectric film; forming an intermediate layer composed of a film having a lower internal stress compared to the first hydrogen barrier film on the first hydrogen barrier film; forming a connection hole in the first hydrogen barrier film and the intermediate layer; embedding a conductor in the connection hole; a step of forming a ferroelectric capacitor having a lower electrode, a ferroelectric film and an upper electrode laminated on the intermediate layer and the conductor; forming a second hydrogen barrier film on an entire surface including on an upper surface and side surfaces of the ferroelectric capacitor and on the intermediate layer; removing the second hydrogen barrier film and the intermediate layer, while leaving at least a portion located in the upper surface and the side surface of the ferroelectric capacitor; and forming a third hydrogen barrier film on the second hydrogen barrier film, on side surfaces of the second hydrogen barrier film and the intermediate layer, and on the first hydrogen barrier film.