Patent ID: 7485915
Filing Date: 2009-02-03
Classification: H01L,Y10S

Abstract:
1. A semiconductor device comprising: a first capacitor which includes: a first capacitor insulating film at least including a first insulating film and a first ferroelectric film formed in contact with the first insulating film, the first ferroelectric film containing a compound of a preset metal element and a constituent element of the first insulating film as a main component and having a dielectric constant larger than that of the first insulating film, and first and second capacitor electrodes formed to sandwich the first capacitor insulating film and formed of one of Cu and a material containing Cu as a main component, wherein the preset metal element contains at least one element selected from a group consisting of Mn, Nb, Zr, Cr, V, Y, Tc and Re, the constituent element contains O and at least one element selected from a group consisting of Si, C and F, and the first ferroelectric film contains a material selected from a group consisting of α