Method of manufacturing a semiconductor device

Semiconductor device manufacturing: process – Making field effect device having pair of active regions... – Having insulated gate

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Details

438279, 438284, 438289, 438291, H01L 21336

Patent

active

059337362

ABSTRACT:
A semiconductor device having the high integration and great driving ability is provided. An upper gate oxide film is formed on a gate electrode. An upper drain region is formed on a lower drain region through an oxide film, and an upper source region is formed on a lower source region through the oxide film. A polysilicon region is formed on the upper gate oxide film provided between the upper drain region and the upper source region. The lower layer portion of the polysilicon region is defined as a channel region.

REFERENCES:
patent: 5376559 (1994-12-01), Mukai et al.

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