Semiconductor device manufacturing: process – Making field effect device having pair of active regions... – Having insulated gate
Reexamination Certificate
2006-10-02
2008-12-16
Chaudhari, Chandra (Department: 2891)
Semiconductor device manufacturing: process
Making field effect device having pair of active regions...
Having insulated gate
C438S592000, C257SE21636
Reexamination Certificate
active
07465624
ABSTRACT:
The present invention provides a method of manufacturing a semiconductor device, comprising forming an electrode pattern made of silicon on a gate insulating film in an n-MOS region and a p-MOS region of a semiconductor substrate, masking the n-MOS region including the first electrode pattern with a first insulating film pattern, forming a first metal film made of platinum all over the surface, forming a gate electrode consisting of a platinum silicide in the p-MOS region, forming an silicon oxide film on the surface of the gate electrode by oxidation, dissolving away a non-reacting Pt film, removing the first insulating film pattern, masking the p-MOS region including the electrode pattern with a second insulating film pattern, forming a second metal film made of europium all over the surface, and forming a gate electrode consisting of a europium silicide in the n-MOS region.
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Nakajima Kazuaki
Yagishita Atsushi
Chaudhari Chandra
Finnegan, Henderson, Farabow, Garrrett & Dunner, L.L.P.
Kabushiki Kaisha Toshiba
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