摘要:
A dielectric material layer is formed on a metal gate layer for a metal gate electrode, and then lithographically patterned to form a dielectric material portion, followed by formation of a polycrystalline semiconductor layer thereupon. A semiconductor device employing a metal gate electrode is formed in a region of the semiconductor substrate containing a vertically abutting stack of the metal gate layer and the polycrystalline semiconductor layer. A material stack in the shape of an electrical fuse is formed in another region of the semiconductor substrate containing a vertical stack of the metal gate layer, the dielectric material portion, and the polycrystalline semiconductor layer. After metallization of the polycrystalline semiconductor layer, an electrical fuse containing a polycrystalline semiconductor portion and a metal semiconductor alloy portion is formed over the dielectric material portion that separates the electrical fuse from the metal gate layer.
摘要:
A photolithography mask contains at least one sublithographic assist feature (SLAF) such that the image of the fuselink shape on a photoresist contains a constructive interference portion and two neck portions. The width of the constructive interference portion is substantially the same as a critical dimension of the lithography tool and the widths of the two neck portions are sublithographic dimensions. The image on a photoresist is subsequently transferred into an underlying semiconductor layer to form an electrical fuse. The fuselink contains a constructive interference portion having a first width which is substantially the same as the critical dimension of the lithography tool and two neck portions having sublithographic widths. The inventive electrical fuse may be programmed with less voltage bias, current, and energy compared to prior art electrical fuses.
摘要:
The embodiments of the invention provide a device, method, etc. for a dual stress STI. A semiconductor device is provided having a substrate with a first transistor region and a second transistor region different than the first transistor region. The first transistor region comprises a PFET; and, the second transistor region comprises an NFET. Further, STI regions are provided in the substrate adjacent sides of and positioned between the first transistor region and the second transistor region, wherein the STI regions each comprise a compressive region, a compressive liner, a tensile region, and a tensile liner.
摘要:
A DRAM cell in a substrate has a deep trench (DT) extending from a surface of the substrate into the substrate, a word line (WL) formed on the surface of the substrate adjacent the deep trench, and oxide (TTO) disposed in a top portion of the trench and extending beyond the trench in the direction of the word line. In this manner, when silicided, there is oxide rather than silicon on the surface of the substrate in a gap between the word line (WL) and a passing word line (PWL) disposed above the deep trench.
摘要:
A DRAM cell in a substrate has a deep trench (DT) extending from a surface of the substrate into the substrate, a word line (WL) formed on the surface of the substrate adjacent the deep trench, and oxide (TTO) disposed in a top portion of the trench and extending beyond the trench in the direction of the word line. In this manner, when silicided, there is oxide rather than silicon on the surface of the substrate in a gap between the word line (WL) and a passing word line (PWL) disposed above the deep trench.