Abstract:
Semiconductor devices including a dummy gate structure on a fin are provided. A semiconductor device includes a fin protruding from a substrate. The semiconductor device includes a source/drain region in the fin, and a recess region of the fin that is between first and second portions of the source/drain region. Moreover, the semiconductor device includes a dummy gate structure overlapping the recess region, and a spacer that is on the fin and adjacent a sidewall of the dummy gate structure.
Abstract:
The inventive concept relates to a semiconductor device and a method for fabricating the same. The semiconductor device comprises active patterns protruding from a substrate, an interlayer dielectric layer disposed on the substrate and including grooves exposing the active patterns, and gate electrodes in the grooves. The grooves include a first groove having a first width and a second groove having a second width greater than the first width. The gate electrodes include a first gate electrode in the first groove, and a second gate electrode in the second groove. Each of the first and second gate electrodes includes a first work function conductive pattern on a bottom surface and sidewalls of corresponding one of the first and second grooves, and a second work function conductive pattern on the first work function conductive pattern.
Abstract:
Semiconductor devices including a dummy gate structure on a fin are provided. A semiconductor device includes a fin protruding from a substrate. The semiconductor device includes a source/drain region in the fin, and a recess region of the fin that is between first and second portions of the source/drain region. Moreover, the semiconductor device includes a dummy gate structure overlapping the recess region, and a spacer that is on the fin and adjacent a sidewall of the dummy gate structure.
Abstract:
A semiconductor device including: a first gate pattern disposed in a peripheral region of a substrate; a second gate pattern disposed in a cell region of the substrate; a first insulator formed on sidewalls of the first gate pattern; and a second insulator formed on sidewalls of the second gate pattern, wherein a dielectric constant of the first insulator is different from a dielectric constant of the second insulator, and wherein a height of the second insulator is greater than a height of the second gate pattern.