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Lateral MOSFET with substrate drain connection










Image Number 19 for United States Patent #8039897.

In one form a lateral MOSFET includes an active gate positioned laterally between a source region and a drain region, the drain region extending from an upper surface of a monocrystalline semiconductor body to a bottom surface of the monocrystalline semiconductor body, and a non-active gate positioned above the drain region. In another form the lateral MOSFET includes a gate positioned laterally between a source region and a drain region, the drain region extending from an upper surface of a monocrystalline semiconductor body to a bottom surface of the monocrystalline semiconductor body, the source region and the drain region being of a first conductivity type, a heavy body region of a second conductivity type in contact with and below the source region, and the drain region comprising a lightly doped drain (LDD) region proximate an edge of the gate and a sinker extending from the upper surface of the monocrystalline body to the bottom surface of the monocrystalline semiconductor body.








 
 
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