Non-volatile and memory semiconductor integrated circuit

Active solid-state devices (e.g. – transistors – solid-state diode – Field effect device – Having insulated electrode

Reexamination Certificate

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Details

C257S315000, C257SE29300, C438S257000

Reexamination Certificate

active

11087592

ABSTRACT:
A semiconductor integrated circuit device includes first, second gate electrodes, first, second diffusion layers, contact electrodes electrically connected to the first diffusion layers, a first insulating film which has concave portions between the first and second gate electrodes and does not contain nitrogen as a main component, a second insulating film which is formed on the first insulating film and does not contain nitrogen as a main component, and a third insulating film formed on the first diffusion layers, first gate electrodes, second diffusion layers and second gate electrodes with the second insulating film disposed therebetween in a partial region. The second insulating film is formed to fill the concave portions and a portion between the first and second gate electrodes has a multi-layered structure containing at least the first and second insulating films.

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