Abstract:
A semiconductor structure includes a semiconductor substrate, a first active area, a second active area, a first trench, at least one raised portion, and a first dielectric. The first active area is in the semiconductor substrate. The second active area is in the semiconductor substrate. The first trench is in the semiconductor substrate and separates the first active area and the second active area from each other. The raised portion is raised from the semiconductor substrate and is disposed in the first trench. The first dielectric is in the first trench and covers the raised portion.
Abstract:
A semiconductor device and a manufacturing method thereof are provided. The semiconductor device includes a substrate, a metal-oxide-semiconductor (MOS) transistor, and a dielectric layer. The MOS transistor includes a gate structure formed over the substrate. The dielectric layer is formed aside the gate structure, and the dielectric layer is doped with a strain modulator. A lattice constant of the strain modulator is larger than a lattice constant of an atom of the dielectric layer.
Abstract:
The present disclosure relates to an integrated chip having one or more back-end-of-the-line (BEOL) selectivity stress films that apply a stress that improves the performance of semiconductor devices underlying the BEOL selectivity stress films, and an associated method of formation. In some embodiments, the integrated chip has a semiconductor substrate with one or more semiconductor devices having a first device type. A stress transfer element is located within a back-end-of-the-line stack at a position over the one or more semiconductor devices. A selectivity stress film is located over the stress transfer element. The selectivity stress film induces a stress upon the stress transfer element, wherein the stress has a compressive or tensile state depending on the first device type of the one or more semiconductor devices. The stress acts upon the one or more semiconductor devices to improve their performance.
Abstract:
A semiconductor device with an increased effective gate length or an increased effective channel width, and a method of forming the same are provided. The effective gate length or the effective channel width of the device is increased by lowering a top surface of an oxide isolation structure below the gate of the semiconductor device.
Abstract:
The present disclosure relates to an integrated chip having one or more back-end-of-the-line (BEOL) stress compensation layers that reduce stress on one or more underlying semiconductor devices, and an associated method of formation. In some embodiments, the integrated chip has a semiconductor substrate with one or more semiconductor devices. A stressed element is located within a back-end-of-the-line stack at a position overlying the one or more semiconductor devices. A stressing layer is located over the stressed element induces a stress upon the stressed element. A stress compensation layer, located over the stressed element, provides a counter-stress to reduce the stress induced on the stressed element by the stressing layer. By reducing the stress induced on the stressed element, stress on the semiconductor substrate is reduced, improving uniformity of performance of the one or more semiconductor devices.
Abstract:
An integrated circuit includes a p-type region formed beneath a surface of a semiconductor substrate, and an n-type region formed beneath the surface of the semiconductor substrate. The n-type region meets the p-type region at a p-n junction. A diffusion barrier structure, which is beneath the surface of the semiconductor substrate and extends along a side of the p-n junction, limits lateral diffusion between the p-type region and n-type region.