Method of Manufacturing a Semiconductor Device and Semiconductor Device Obtainable with Such a Method
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United States of America Patent
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app pub date -
Dec 19, 2007
filing date -
Mar 12, 2004
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Abstract
A method of manufacturing a semiconductor device comprising a dual gate field effect transistor is disclosed, in which method a semiconductor body with a surface and of silicon is provided with a source region and a drain region of a first conductivity type and with a channel region of a second conductivity type, opposite to the first conductivity type, between the source region and the drain region and with a first gate region separated from the channel region by a first gate dielectric and situated on one side of the channel region and with a second gate region separated from the channel region by a second gate dielectric and situated on an opposite side of the channel region, and wherein both gate regions are formed within a trench formed in the semiconductor body.
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