摘要:
Unit cells of metal oxide semiconductor (MOS) transistors are provided including an integrated circuit substrate an a MOS transistor on the integrated circuit substrate. The MOS transistor includes a source region, a drain region and a gate. The gate is positioned between the source region and the drain region. A horizontal channel is provided between the source and drain regions. The horizontal channel includes at least two spaced apart horizontal channel regions. Related methods of fabricating MOS transistors are also provided.
摘要:
A semiconductor device employs an asymmetrical buried insulating layer, and a method of fabricating the same. The semiconductor device includes a lower semiconductor substrate. An upper silicon pattern is located on the lower semiconductor substrate. The upper silicon pattern includes a channel region, and a source region and a drain region spaced apart from each other by the channel region. A gate electrode is electrically insulated from the upper silicon pattern and intersects over the channel region. A bit line and a cell capacitor are electrically connected to the source region and the drain region, respectively. A buried insulating layer is interposed between the drain region and the lower semiconductor substrate. The buried insulating layer has an extension portion partially interposed between the channel region and the lower semiconductor substrate.
摘要:
Unit cells of metal oxide semiconductor (MOS) transistors are provided including an integrated circuit substrate an a MOS transistor on the integrated circuit substrate. The MOS transistor includes a source region, a drain region and a gate. The gate is positioned between the source region and the drain region. A horizontal channel is provided between the source and drain regions. The horizontal channel includes at least two spaced apart horizontal channel regions. Related methods of fabricating MOS transistors are also provided.
摘要:
A semiconductor device employs an asymmetrical buried insulating layer, and a method of fabricating the same. The semiconductor device includes a lower semiconductor substrate. An upper silicon pattern is located on the lower semiconductor substrate. The upper silicon pattern includes a channel region, and a source region and a drain region spaced apart from each other by the channel region. A gate electrode is electrically insulated from the upper silicon pattern and intersects over the channel region. A bit line and a cell capacitor are electrically connected to the source region and the drain region, respectively. A buried insulating layer is interposed between the drain region and the lower semiconductor substrate. The buried insulating layer has an extension portion partially interposed between the channel region and the lower semiconductor substrate.
摘要:
A semiconductor device employs an asymmetrical buried insulating layer, and a method of fabricating the same. The semiconductor device includes a lower semiconductor substrate. An upper silicon pattern is located on the lower semiconductor substrate. The upper silicon pattern includes a channel region, and a source region and a drain region spaced apart from each other by the channel region. A gate electrode is electrically insulated from the upper silicon pattern and intersects over the channel region. A bit line and a cell capacitor are electrically connected to the source region and the drain region, respectively. A buried insulating layer is interposed between the drain region and the lower semiconductor substrate. The buried insulating layer has an extension portion partially interposed between the channel region and the lower semiconductor substrate.
摘要:
Unit cells of metal oxide semiconductor (MOS) transistors are provided having an integrated circuit substrate and a MOS transistor on the integrated circuit substrate. The MOS transistor includes a source region, a drain region and a gate. The gate is between the source region and the drain region. A channel region is provided between the source and drain regions. The channel region has a recessed region that is lower than bottom surfaces of the source and drain regions. Related methods of fabricating transistors are also provided.
摘要:
A fin field-effect transistor (FinFET) device includes a fin-shaped active region having first and second source/drain regions therein and a channel region therebetween vertically protruding from a semiconductor substrate. A gate electrode is formed on an upper surface and sidewalls of the channel region. First and second source/drain contacts are formed on respective upper surfaces and sidewalls of the first and second source/drain regions of the fin-shaped active region at opposite sides of the gate electrode. The channel region may be narrower than the first and second source/drain regions of the fin-shaped active region.
摘要:
A unit cell of a metal oxide semiconductor (MOS) transistor is provided including an integrated circuit substrate and a MOS transistor on the integrated circuit substrate. The MOS transistor has a source region, a drain region and a gate. The gate is between the source region and the drain region. First and second spaced apart buffer regions are provided beneath the source region and the drain region and between respective ones of the source region and integrated circuit substrate and the drain region and the integrated circuit substrate.
摘要:
A semiconductor device having a field effect transistor and a method of forming the same are provided. The semiconductor device preferably includes a device active pattern disposed on a predetermined region of the substrate. The gate electrode preferably crosses over the device active pattern, interposed by a gate insulation layer. A support pattern is preferably interposed between the device active pattern and the substrate. The support pattern can be disposed under the gate electrode. A filling insulation pattern is preferably disposed between the device active pattern and the filling insulation pattern. The filling insulation pattern may be disposed under the source/drain region. A device active pattern under the gate electrode is preferably formed of a strained silicon having a lattice width wider than a silicon lattice.
摘要:
Unit cells of metal oxide semiconductor (MOS) transistors are provided having an integrated circuit substrate and a MOS transistor on the integrated circuit substrate. The MOS transistor includes a source region, a drain region and a gate. The gate is between the source region and the drain region. A channel region is provided between the source and drain regions. The channel region has a recessed region that is lower than bottom surfaces of the source and drain regions. Related methods of fabricating transistors are also provided.