High ion/Ioff SOI MOSFET using body voltage control

Details High ion/Ioff SOI MOSFET using body voltage control High ion/Ioff SOI MOSFET using body voltage control

2009-02-09

2010-12-28

Quach, Tuan N. (Department: 2893)

Active solid-state devices (e.g., transistors, solid-state diode

Regenerative type switching device

Combined with field effect transistor

C257S348000, C257S350000, C257SE29281

Reexamination Certificate

active

07859011

ABSTRACT:
A semiconductor device may comprise a partially-depleted SOI MOSFET having a floating body region disposed between a source and drain. The floating body region may be driven to receive injected carriers for adjusting its potential during operation of the MOSFET. In a particular case, the MOSFET may comprise another region of semiconductor material in contiguous relationship with a drain/source region of the MOSFET and on a side thereof opposite to the body region. This additional region may be formed with a conductivity of type opposite the drain/source, and may establish an effective bipolar device per the body, the drain/source and the additional region. The geometries and doping thereof may be designed to establish a transport gain of magnitude sufficient to assist the injection of carriers into the floating body region, yet small enough to guard against inter-latching with the MOSFET.

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