A semiconductor device is provided. The semiconductor device includes a substrate including an active pattern, a gate electrode extending in a first direction and crossing the active pattern which extends in a second direction, a separation structure crossing the active pattern and extending in the first direction, a first gate dielectric pattern disposed on a side surface of the gate electrode, a second gate dielectric pattern disposed on a side surface of the separation structure, and a gate capping pattern covering a top surface of the gate electrode. A level of a top surface of the separation structure is higher than a level of a top surface of the gate capping pattern.

A semiconductor device is provided. The semiconductor device includes first and second logic cells adjacent to each other on a substrate, and a mixed separation structure extending in a first direction between the first and second logic cells. Each logic cell includes first and second active fins that protrude from the substrate, the first and second active fins extending in a second direction intersecting the first direction and being spaced apart from each other in the first direction, and gate electrodes extending in the first direction and spanning the first and second active fins, and having a gate pitch. The mixed separation structure includes a first separation structure separating the first active fin of the first logic cell from the first active fin of the second logic cell; and a second separation structure on the first separation structure. A width of the first separation structure is greater than the gate pitch.

Semiconductor devices and methods of forming the same are provided. Semiconductor devices may include first and second active patterns on a substrate. Each of the first and second active patterns may extend in a first direction. The first and second active patterns may be aligned along the first direction and may be separated by a first trench extending in a second direction. The first trench may define a first sidewall of the first active pattern. The semiconductor devices may also include a channel pattern including first and second semiconductor patterns stacked on the first active pattern, a dummy gate electrode on the channel pattern and extending in the second direction, and a gate spacer on one side of the dummy gate electrode, the one side of the dummy gate electrode being adjacent to the first trench. The gate spacer may cover a first sidewall of the first active pattern.

Semiconductor devices are provided. A semiconductor device includes a gate structure and an adjacent contact. The semiconductor device includes a connector that is connected to the contact. In some embodiments, the semiconductor device includes a wiring pattern that is connected to the connector. Moreover, in some embodiments, the connector is adjacent a boundary between first and second cells of the semiconductor device.

Semiconductor devices and methods of forming the same are provided. Semiconductor devices may include first and second active patterns on a substrate. Each of the first and second active patterns may extend in a first direction. The first and second active patterns may be aligned along the first direction and may be separated by a first trench extending in a second direction. The first trench may define a first sidewall of the first active pattern. The semiconductor devices may also include a channel pattern including first and second semiconductor patterns stacked on the first active pattern, a dummy gate electrode on the channel pattern and extending in the second direction, and a gate spacer on one side of the dummy gate electrode, the one side of the dummy gate electrode being adjacent to the first trench. The gate spacer may cover a first sidewall of the first active pattern.

A semiconductor device is provided. The semiconductor device includes first and second logic cells adjacent to each other on a substrate, and a mixed separation structure extending in a first direction between the first and second logic cells. Each logic cell includes first and second active fins that protrude from the substrate, the first and second active fins extending in a second direction intersecting the first direction and being spaced apart from each other in the first direction, and gate electrodes extending in the first direction and spanning the first and second active fins, and having a gate pitch. The mixed separation structure includes a first separation structure separating the first active fin of the first logic cell from the first active fin of the second logic cell; and a second separation structure on the first separation structure. A width of the first separation structure is greater than the gate pitch.

Semiconductor devices are provided. A semiconductor device includes a gate structure and an adjacent contact. The semiconductor device includes a connector that is connected to the contact. In some embodiments, the semiconductor device includes a wiring pattern that is connected to the connector. Moreover, in some embodiments, the connector is adjacent a boundary between first and second cells of the semiconductor device.

A semiconductor device includes a substrate having cell areas and power areas that are alternately arranged in a second direction. Gate structures extend in the second direction. The gate structures are spaced apart from each other in a first direction perpendicular to the second direction. Junction layers are arranged at both sides of each gate structure. The junction layers are arranged in the second direction such that each of the junction layer has a flat portion that is proximate to the power area. Cutting patterns are arranged in the power areas. The cutting patterns extend in the first direction such that each of the gate structures and each of the junction layers in neighboring cell areas are separated from each other by the cutting pattern.

Semiconductor structures are provided. Each of the transistors includes a first source/drain region over a semiconductor fin extending in a first direction, a second source/drain region over the semiconductor fin, a channel region in the semiconductor fin and between the first and second source/drain regions, and a metal gate electrode formed on the channel region and extending in a second direction perpendicular to the first direction. In a first transistor of the transistors, a first source/drain region is formed between the metal gate electrode of the first transistor and the metal gate electrode of a second transistor of the transistors, A second source/drain region is formed between the metal gate electrode of the first transistor and the dielectric-base dummy gate extending in the second direction. A first contact of the first source/drain region is narrower than a second contact of the second source/drain region along the first direction.

Semiconductor structures are provided. Each transistor includes a first source/drain region over a semiconductor fin, a second source/drain region over the semiconductor fin, a channel region in the semiconductor fin and between the first and second source/drain regions, and a metal gate electrode formed on the channel region and extending in a second direction. In a first transistor of the transistors, the first source/drain region is formed between the metal gate electrode of the first transistor and the metal gate electrode of a second transistor of the transistors. The second source/drain region is formed between the metal gate electrode of the first transistor and the dielectric-base dummy gate. A first contact of the first source/drain region is separated from a spacer of the metal gate electrode of the first transistor. A second contact of the second source/drain region is in contact with a spacer of the dielectric-base dummy gate.