Memory device having a transistor and one resistant element...

Details Memory device having a transistor and one resistant element... Memory device having a transistor and one resistant element...

2006-03-07

2006-03-07

Tran, Thien F. (Department: 2811)

Static information storage and retrieval

Systems using particular element

Resistive

C365S163000, C365S174000, C365S182000

Reexamination Certificate

active

07009868

ABSTRACT:
A memory device having one transistor and one resistant element as a storing means and a method for driving the memory device, includes an NPN-type transistor formed on a semiconductor substrate, an interlayer insulating film formed on the semiconductor substrate to cover the transistor in which a contact hole exposing a source region of the transistor is formed, a resistant material in which a bit data “0” or “1” is written connected to the source region of the transistor by a conductive plug or an insulating film, and a conductive plate contacting the resistant material. The memory device exhibits improved degree of integration, reduced current consumption by lengthening a refresh period thereof, and enjoys simplified manufacturing process due to a simple memory cell structure.

REFERENCES:
patent: 6773929 (2004-08-01), Oh et al.

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