Myers Bigel, P.A.
Integrated circuit devices including a vertical field-effect transistor (VFET) and methods of forming the same
Integrated circuit devices and methods of forming the same are provided. The methods may include forming a dummy channel region and an active region of a substrate, forming a bottom source/drain region on the active region, forming a gate electrode on one of opposing side surfaces of the dummy channel region, and forming first and second spacers on the opposing side surfaces of the dummy channel region, respectively. The gate electrode may include a first portion on the one of the opposing side surfaces of the dummy channel region and a second portion between the bottom source/drain region and the first spacer. The methods may also include forming a bottom source/drain contact by replacing the first portion of the gate electrode with a conductive material. The bottom source/drain contact may electrically connect the second portion of the gate electrode to the bottom source/drain region.
Samsung Electronics Co., Ltd.
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Young Chai Chang Woo Min Cheol Seung Hyun Seon-Bae
Jung Sohn Oh Song Kim