Semiconductor device manufacturing: process – Making field effect device having pair of active regions... – Having insulated gate
Reexamination Certificate
2011-03-29
2011-03-29
Fulk, Steven J (Department: 2891)
Semiconductor device manufacturing: process
Making field effect device having pair of active regions...
Having insulated gate
C438S592000, C257S329000, C257SE21410
Reexamination Certificate
active
07915130
ABSTRACT:
This disclosure concerns a manufacturing method of a semiconductor device includes forming a Fin-type body on an insulation layer, the Fin-type body being made of a semiconductor material and having an upper surface covered with a protective film; forming a gate insulation film on side surfaces of the Fin-type body; depositing a gate electrode material so as to cover the Fin-type body; planarizing the gate electrode material; forming a gate electrode by processing the gate electrode material; depositing an interlayer insulation film so as to cover the gate electrode; exposing the upper surface of the gate electrode; depositing a metal layer on the upper surface of the gate electrode; siliciding the gate electrode by reacting the gate electrode with the metal layer; forming a trench on the upper surface of the protective film by removing an unreacted metal in the metal layer; and filling the trench with a conductor.
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Kaneko Akio
Saito Tomohiro
Yagishita Atsushi
Finnegan Henderson Farabow Garrett & Dunner L.L.P.
Fulk Steven J
Kabushiki Kaisha Toshiba
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