PMOS depletable drain extension made from NMOS dual...

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

Reexamination Certificate

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Details

C257S335000, C257S344000, C257S371000, C257S401000, C257S408000

Reexamination Certificate

active

07829954

ABSTRACT:
In accordance with an embodiment of the invention, there is an integrated circuit device having a complementary integrated circuit structure comprising a first MOS device. The first MOS device comprises a source doped to a first conductivity type, a drain extension doped to the first conductivity type separated from the source by a gate, and an extension region doped to a second conductivity type underlying at least a portion of the drain extension adjacent to the gate. The integrated circuit structure also comprises a second complementary MOS device comprising a dual drain extension structure.

REFERENCES:
patent: 4823173 (1989-04-01), Beasom
patent: 5264719 (1993-11-01), Beasom
patent: 5338960 (1994-08-01), Beasom
patent: 6894349 (2005-05-01), Beasom
patent: 6974753 (2005-12-01), Beasom
patent: 2003/0102512 (2003-06-01), Chatterjee

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