Semiconductor memory device

Details Semiconductor memory device Semiconductor memory device

2005-01-18

2005-01-18

Hoang, Huan (Department: 2818)

Static information storage and retrieval

Systems using particular element

Capacitors

C365S222000, C365S190000

Reexamination Certificate

active

06845035

ABSTRACT:
A semiconductor memory device uses memory cells, which have structures not increasing areas, and are arranged in a distinctive manner providing high data holding stability.A semiconductor memory device includes memory cells formed on a main surface of a semiconductor substrate, and each having first and second transistors each having a gate electrode and impurity regions forming source/drain as well as one capacitor; and bit and word lines for controlling an operation of the memory cells, a cell plate forming an electrode of the capacitor being formed of the same layer as the gate electrode.

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