Semiconductor memory device including a field effect transistor

Details Semiconductor memory device including a field effect transistor Semiconductor memory device including a field effect transistor

1997-05-16

2000-11-07

Crane, Sara

Active solid-state devices (e.g., transistors, solid-state diode

Field effect device

Having insulated electrode

257295, 257310, H01L 31119

Patent

active

061440574

ABSTRACT:
A semiconductor memory device including a field effect transistor associated with a semiconductor substrate and a capacitor. The capacitor is connected to a drain region of the transistor. Specifically, the capacitor includes a dielectric layer including a ferroelectric material. The capacitor is located above a gate electrode of the transistor and completely overlaps the gate electrode. The device may also include a pair of field effect transistors wherein each source of the transistors shares a common impurity doped region of the semiconductor substrate.

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