Semiconductor device manufacturing: process – Making field effect device having pair of active regions... – Having insulated gate
Reexamination Certificate
2005-09-27
2005-09-27
Zarneke, David A. (Department: 2891)
Semiconductor device manufacturing: process
Making field effect device having pair of active regions...
Having insulated gate
C438S287000
Reexamination Certificate
active
06949425
ABSTRACT:
A semiconductor device comprising a semiconductor substrate and a MOSFET provided on the semiconductor substrate, the MOSFET including a gate insulating film and a gate electrode provided on the gate insulating film, wherein the gate insulating film has a higher dielectric constant in a side contacting the semiconductor substrate than in a side contacting the gate electrode.
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Yudong Kim, et al. “Conventional n-channel MOSFET devices using single layer HfO2and ZrO2as high-k gate dielectrics with polysilicon gate electrode”, IEDM, 01-455, pp. 455-458.
Kabushiki Kaisha Toshiba
Zarneke David A.
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