Active solid-state devices (e.g. – transistors – solid-state diode – Field effect device – Having insulated electrode
Reexamination Certificate
2006-01-03
2006-01-03
Flynn, Nathan J. (Department: 2826)
Active solid-state devices (e.g., transistors, solid-state diode
Field effect device
Having insulated electrode
C257S306000, C257S296000, C438S003000, C438S244000
Reexamination Certificate
active
06982455
ABSTRACT:
A semiconductor device has a ferroelectric capacitor. The semiconductor device includes an interlayer insulating layer, a ferroelectric capacitor and an insulating side wall film. The interlayer insulating layer is formed on a substrate including an integrated circuit and has a contact hole exposing a part of the integrated circuit. The ferroelectric capacitor is formed by depositing a first electrode layer, a ferroelectric layer and a second electrode layer on the interlayer insulating layer in this order. The insulating side wall film covers a peripheral edge section of the ferroelectric capacitor and is spaced from a peripheral edge section of the contact hole. A wiring layer electrically connects the second electrode layer to the integrated circuit through the contact hole.
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Flynn Nathan J.
Mandala Jr. Victor A.
Oki Electric Industry Co. Ltd.
Wenderoth , Lind & Ponack, L.L.P.
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