Non-volatile semiconductor memory device and method for manufact

Details Non-volatile semiconductor memory device and method for manufact Non-volatile semiconductor memory device and method for manufact

1998-03-19

2000-05-09

Clark, Sheila V.

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

Field effect device

Having insulated electrode

257316, 257332, 257559, H01L 2976

Patent

active

060607408

ABSTRACT:
The non-volatile semiconductor memory device is formed on a silicon substrate and comprises a plurality of semiconductor active regions defined by a plurality of element isolation regions, a source region and a drain region formed in each of the semiconductor active regions, a charge storage layer which capacitively couples to the semiconductor active region between the source region and the drain region, and a control gate which capacitively couples to the charge storage layer through a second gate insulation film, wherein the second gate insulation film is left extending from the upper surface portion of the element isolation region which lies under the control gate to the upper surface portion of the element isolation region other than the upper surface portion of the element isolation region lying under the control gate.

REFERENCES:
patent: 5619051 (1997-04-01), Endo
patent: 5666311 (1997-09-01), Mori
patent: 5693971 (1997-12-01), Gonzalez
patent: 5858839 (1999-01-01), Kaya et al.

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