A semiconductor device includes a coaxial contact that has conductive layers extending from local interconnects and being coupled to metal layers. The local interconnects are stacked over a substrate and extend laterally along a top surface of the substrate. The metal layers are stacked over the local interconnects and extend laterally along the top surface of the substrate. The conductive layers are close-shaped and concentrically arranged, where each of the local interconnects is coupled to a corresponding conductive layer, and each of the conductive layers is coupled to a corresponding metal layer. The semiconductor device also includes insulating layers that are close-shaped, concentrically arranged, and positioned alternately with respect to the conductive layers so that the conductive layers are spaced apart from one another by the insulating layers.

A semiconductor device including first and second active regions extending in a first direction; a field region between the first and second active regions; a gate structure including an upper gate electrode overlapping the first active region and extending in a second direction crossing the first direction, and a lower gate electrode overlapping the second active region, extending in the second direction, and on a same line as the upper gate electrode; a gate isolation layer between the upper and lower gate electrodes; source/drain regions on respective sides of the upper gate electrode; a contact jumper crossing the upper gate electrode in the second active region and electrically connecting the source/drain regions; and a first upper contact extending in the second direction in the field region and overlapping the lower gate electrode and the gate isolation layer, wherein the upper gate electrode is a dummy gate electrode.

A system and method for creating chip layout are described. In various embodiments, a standard cell uses unidirectional tracks for power connections and signal routing. At least two tracks of the metal one layer using a minimum width of the metal one layer are placed within a pitch of a single metal gate to provide a standard cell with a two to one gear ratio or greater. A power signal and a ground reference signal in the metal one layer are routed in a same metal one track to provide area for other signal routing. Multiple standard cells are placed in a multi-cell layout with routes in one or more of the metal two layer and the metal three layer using minimum lengths for power connections. The layout includes no power grid with a fixed pitch.

Provided is a semiconductor device in which influence resulting from a cell function change can be reduced. The semiconductor device includes a function cell designed using a basic cell including a first wiring layer provided over a main surface of a semiconductor substrate and having a predetermined pattern and a second wiring layer provided over the first wiring layer and having a predetermined pattern. The function cell corresponds to the basic cell which is modified to have a predetermined function by changing the pattern of the second wiring layer at a design stage. The function cell has a first layout and a second layout which are disposed in juxtaposition in one direction in a plane parallel with the main surface. The function cell is provided with the predetermined function by coupling together wires belonging to the respective second wiring layers of the first layout and the second layout.

An integrated circuit includes a first conductive pattern in a first conductive layer, a second conductive pattern in a second conductive layer over the first conductive layer, and a via electrically connected with the first conductive pattern and the second conductive pattern to allow a first current flowing from the first conductive pattern to the second conductive pattern and a second current flowing from the second conductive pattern to the first conductive pattern to pass through at different times. The via is placed on the first conductive pattern so that a path of the first current does not overlap with a path of the second current in the first conductive pattern.

An integrated circuit includes a first conductive pattern in a first conductive layer, a second conductive pattern in a second conductive layer over the first conductive layer, and a via electrically connected with the first conductive pattern and the second conductive pattern to allow a first current flowing from the first conductive pattern to the second conductive pattern and a second current flowing from the second conductive pattern to the first conductive pattern to pass through at different times. The via is placed on the first conductive pattern so that a path of the first current does not overlap with a path of the second current in the first conductive pattern.

A method of making a quantum device with a quantum island structure is provided. The method includes the formation of a stack including a first semiconducting layer based on an undoped semiconducting material on which at least one second doped semiconducting layer is grown by epitaxy, the doping being made during epitaxial growth, a first region belonging to the first semiconducting layer and a second region belonging to the second semiconducting layer being suitable for forming a quantum island.

A semiconductor device includes first and second active patterns respectively on the first and second active regions of a substrate, a gate electrode on the first and second channel patterns, active contacts electrically connected to at least one of the first and second source/drain patterns, a gate contact electrically connected to the gate electrode, a first metal layer on the active and gate contacts and including a first and second power line, and first and second gate cutting patterns below the first and second power lines. The first active pattern may include first channel pattern between a pair of first source/drain patterns. The second active pattern may include a second channel pattern between a pair of second source/drain patterns. The first and second gate cutting patterns may cover the outermost side surfaces of the first and second channel patterns, respectively.

A compressor circuit and a semiconductor integrated circuit included the compressor circuit are provided. The semiconductor integrated circuit includes a compressor circuit which includes a first full adder circuit which receives an A1 signal, a B1 signal, and a CI signal to output an IS signal and an ICO signal, and a second full adder circuit which receives a B2 signal, the IS signal, and a CI2 signal to output an S signal and a CO signal. Each of the first full adder circuit and the second full adder circuit are in an L-shaped layout, the first full adder circuit and the second full adder circuit have bent portions that are point-symmetrically engaged with each other, and the compressor circuit is in a rectangular shape. The number of transistors in the second full adder circuit is smaller than the number of transistors in the first full adder circuit.

An integrated circuit device includes a device layer having devices spaced in accordance with a predetermined device pitch, a first metal interconnection layer disposed above the device layer and coupled to the device layer, and a second metal interconnection layer disposed above the first metal interconnection layer and coupled to the first metal interconnection layer through a first via layer. The second metal interconnection layer has metal lines spaced in accordance with a predetermined metal line pitch, and a ratio of the predetermined metal line pitch to predetermined device pitch is less than 1.