Semiconductor device manufacturing: process – Making field effect device having pair of active regions... – Having insulated gate
Reexamination Certificate
2007-04-26
2010-02-02
Picardat, Kevin M (Department: 2822)
Semiconductor device manufacturing: process
Making field effect device having pair of active regions...
Having insulated gate
C438S229000, C438S299000, C257S369000, C257S382000, C257S407000
Reexamination Certificate
active
07655516
ABSTRACT:
In an nMOSFET, a gate electrode is formed by a silicide layer comprised of NiSi. In a surface layer of a Ge substrate on both sides of the gate electrode, NiGe layers which are germanide layers comprised of NiGe are formed. On junction interfaces between the NiGe layers and the Ge substrate, first layers are formed which are formed by segregating a predetermined atom with high concentration, and on an interface between the gate electrode and an insulation film, a second layer is formed which is formed by segregating the same atom as that of the first layer with high concentration.
REFERENCES:
patent: 6621131 (2003-09-01), Murthy et al.
patent: 6703291 (2004-03-01), Boyanov et al.
patent: 2007/0215956 (2007-09-01), Tsuchiya et al.
Fujitsu Microelectronics Limited
Picardat Kevin M
Westerman Hattori Daniels & Adrian LLP
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