Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Katsuaki Natori0
Koji Yamakawa0
Hiroyuki Kanaya0
Date of Patent
August 15, 2006
0Patent Application Number
109541830
Date Filed
October 1, 2004
0Patent Primary Examiner
Patent abstract
A semiconductor device comprises a semiconductor substrate including a diffusion area, a capacitor provided above the semiconductor substrate and including a lower electrode, a dielectric film, and an upper electrode, a plug provided between the semiconductor substrate and the capacitor and having a lower end connected to the diffusion area and an upper end connected to the lower electrode, and a dummy plug provided between the semiconductor substrate and the capacitor and having a lower end not connected to the diffusion area and an upper end connected to the lower electrode.
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