US Patent 6995417 Semiconductor device having ferroelectric capacitors

Disclosed is a semiconductor device comprising a semiconductor substrate, an insulating region provided on the semiconductor substrate, a first capacitor provided above the insulating region, a second capacitor provided above the insulating region and adjacent to the first capacitor, a conductive hydrogen-barrier film which prevents diffusion of hydrogen into the first and second capacitors and connects a bottom electrode of the first capacitor with a bottom electrode of the second capacitor, the conductive hydrogen-barrier film having a first portion interposing between the insulating region and the first capacitor and between the insulating region and the second capacitor.