Active solid-state devices (e.g. – transistors – solid-state diode – Field effect device – Having insulated electrode
Reexamination Certificate
2008-09-16
2008-09-16
Le, Thao P. (Department: 2818)
Active solid-state devices (e.g., transistors, solid-state diode
Field effect device
Having insulated electrode
C257S368000
Reexamination Certificate
active
11339469
ABSTRACT:
A semiconductor storage device according to the present invention, comprising: a first semiconductor layer formed on a substrate via a buried insulation layer; an FBC (Floating Body Cell) having a channel body of floating type formed on the first semiconductor layer, a main gate which forms a channel at a first face side of the channel body, and an auxiliary gate formed to capacitively couple on a second face at an opposite side of the first face; a logic circuit formed on the first semiconductor layer, separate from the FBC by an insulation film, which transfers a signal for the FBC; a second semiconductor layer which locates below the FBC and is formed along an under face of the buried insulation film; and a third semiconductor layer which locates below the logic circuit and is formed along an under face of the buried insulation film, wherein the second and third semiconductor layers are set to be in a potential different from each other.
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