Invention Grant
US08647947B2 Semiconductor device including a MOS transistor and production method therefor 有权
包括MOS晶体管的半导体器件及其制造方法

Semiconductor device including a MOS transistor and production method therefor
Abstract:
It is intended to provide a semiconductor device including a MOS transistor, comprising: a semiconductor pillar; a bottom doped region formed in contact with a lower part of the semiconductor pillar; a first gate formed around a sidewall of the semiconductor pillar through a first dielectric film therebetween; and a top doped region formed so as to at least partially overlap a top surface of the semiconductor pillar, wherein the top doped region has a top surface having an area greater than that of the top surface of the semiconductor pillar.
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