Patent ID: 7776707

Claim:
A method for manufacturing a dielectric memory, comprising the steps of: forming a first insulation film on a substrate; forming a hole in the first insulation film; forming a first conductive layer on a bottom surface and a sidewall surface of the hole; forming a dielectric layer on the first conductive layer; forming a second conductive layer on the dielectric layer; forming a second insulation film on the second conductive layer so that the second insulation film fills a recess corresponding to the hole; forming a resist mask on the second insulation film so that the resist mask covers the recess; patterning the second insulation film by using the resist mask; and patterning the second conductive layer and the dielectric layer by using the patterned second insulation film as a hard mask, wherein in the step of forming the second insulation film, an opening of the recess is closed with the second insulation film at a level above an upper surface of the second conductive layer, thereby forming a void within the recess.