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LATERAL ASYMMETRIC LIGHTLY DOPED DRAIN MOSFET

机译:横向不对称轻掺杂漏极MOSFET

摘要

A lateral, asymmetric lightly doped drain MOSFET that allows for a higher packing density, reduced on-resistance and protection from voltage punch through and many short channel effects. The lateral, asymmetric lightly doped drain MOSFET includes a semiconductor surface having a first surface and a second surface, a substantially uniformly doped source region disposed at the first surface of the substrate, a drain region disposed at the first surface of the substrate defining a channel region between the source region and the drain region, a gate dielectric material disposed on the first surface of the semiconductor and a gate disposed atop the gate dielectric material. The drain region includes a first doped section and a second doped section. The second doped section is located adjacent to the channel region and is more lightly doped than the first doped section of the drain region.
机译:横向非对称轻掺杂漏极MOSFET,可提供更高的封装密度,更低的导通电阻以及免受电压击穿和许多短沟道效应的影响。横向不对称轻掺杂漏极MOSFET包括具有第一表面和第二表面的半导体表面,设置在衬底的第一表面上的基本上均匀掺杂的源极区域,设置在衬底的第一表面上的漏极区域限定了沟道。在源极区和漏极区之间的区域,设置在半导体的第一表面上的栅极电介质材料和设置在栅极电介质材料顶部的栅极。漏极区包括第一掺杂区和第二掺杂区。第二掺杂区与沟道区相邻,并且比漏极区的第一掺杂区轻掺杂。

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