Patent classifications
H10D84/853
Memory device and method for forming the same
A memory device includes a substrate, first semiconductor fin, second semiconductor fin, first gate structure, second gate structure, first gate spacer, and a second gate spacer. The first gate structure crosses the first semiconductor fin. The second gate structure crosses the second semiconductor fin, the first gate structure extending continuously from the second gate structure, in which in a top view of the memory device, a width of the first gate structure is greater than a width of the second gate structure. The first gate spacer is on a sidewall of the first gate structure. The second gate spacer extends continuously from the first gate spacer and on a sidewall of the second gate structure, in which in the top view of the memory device, a width of the first gate spacer is less than a width of the second gate spacer.
Multi-gate device integration with separated fin-like field effect transistor cells and gate-all-around transistor cells
Integrated circuit having an integration layout and the manufacturing method thereof are disclosed herein. An exemplary integrated circuit (IC) comprises a first cell including one or more first type gate-all-around (GAA) transistors located in a first region of the integrated circuit; a second cell including one or more second type GAA transistors located in the first region of the integrated circuit, wherein the second cell is disposed adjacently to the first cell, wherein the first type GAA transistors are one of nanosheet transistors or nanowire transistors and the second type GAA transistors are the other one of nanosheet transistors or nanowire transistors; and a third cell including one or more fin-like field effect transistors (FinFETs) located in a second region of the integrated circuit, wherein the second region is disposed a distance from the first region of the integrated circuit.
Semiconductor device
Disclosed is a semiconductor device comprising a first logic cell and a second logic cell on a substrate. Each of the first and second logic cells includes a first active region and a second active region that are adjacent to each other in a first direction, a gate electrode that runs across the first and second active regions and extends lengthwise in the first direction, and a first metal layer on the gate electrode. The first metal layer includes a first power line and a second power line that extend lengthwise in a second direction perpendicular to the first direction, and are parallel to each other. The first and second logic cells are adjacent to each other in the second direction along the first and second power lines. The first and second active regions extend lengthwise in the second direction from the first logic cell to the second logic cell.
Fin doping and integrated circuit structures resulting therefrom
Fin doping, and integrated circuit structures resulting therefrom, are described. In an example, an integrated circuit structure includes a semiconductor fin. A lower portion of the semiconductor fin includes a region having both N-type dopants and P-type dopants with a net excess of the P-type dopants of at least 2E18 atoms/cm.sup.3. A gate stack is over and conformal with an upper portion of the semiconductor fin. A first source or drain region is at a first side of the gate stack, and a second source or drain region is at a second side of the gate stack opposite the first side of the gate stack.
Gate line plug structures for advanced integrated circuit structure fabrication
Embodiments of the disclosure are in the field of advanced integrated circuit structure fabrication and, in particular, 10 nanometer node and smaller integrated circuit structure fabrication and the resulting structures. In an example, an integrated circuit structure includes a first silicon fin having a longest dimension along a first direction. A second silicon fin having a longest dimension is along the first direction. An insulator material is between the first silicon fin and the second silicon fin. A gate line is over the first silicon fin and over the second silicon fin along a second direction, the second direction orthogonal to the first direction, the gate line having a first side and a second side, wherein the gate line has a discontinuity over the insulator material, the discontinuity filled by a dielectric plug.
Semiconductor device having interconnection lines with different linewidths and metal patterns
A semiconductor device includes transistors on a substrate, a first interlayered insulating layer on the transistors, first and second lower interconnection lines in an upper portion of the first interlayered insulating layer, and first and second vias on the first and second lower interconnection lines, respectively. Each of the first and second lower interconnection lines includes a first metal pattern. The first lower interconnection line further includes a second metal pattern, on the first metal pattern with a metallic material different from the first metal pattern. The second metal pattern is absent in the second lower interconnection line. The second via includes first and second portions, which are in contact with respective top surfaces of the first interlayered insulating layer and the second lower interconnection line, and the lowest level of a bottom surface of the second portion is lower than that of a bottom surface of the first via.
Contact formation with reduced dopant loss and increased dimensions
A method includes forming a source/drain region, forming a dielectric layer over the source/drain region, and etching the dielectric layer to form a contact opening. The source/drain region is exposed to the contact opening. The method further includes depositing a dielectric spacer layer extending into the contact opening, etching the dielectric spacer layer to form a contact spacer in the contact opening, implanting a dopant into the source/drain region through the contact opening after the dielectric spacer layer is deposited, and forming a contact plug to fill the contact opening.
Method of fabricating semiconductor device having bit line comprising a plurality of pins extending toward the substrate
The present disclosure relates to a method of fabricating a semiconductor device, the semiconductor device includes a substrate, a plurality of gate structures, a plurality of isolation fins, and at least one bit line. The gate structures are disposed in the substrate, with each of the gate structures being parallel with each other and extending along a first direction. The isolation fins are disposed on the substrate, with each of the isolation fins being parallel with each other and extending along the first direction, over each of the gate structures respectively. The at least one bit line is disposed on the substrate to extend along a second direction being perpendicular to the first direction. The at least one bit line comprises a plurality of pins extending toward the substrate, and each of the pins is alternately arranged with each of the isolation fins along the second direction.
Plugs for interconnect lines for advanced integrated circuit structure fabrication
Embodiments of the disclosure are in the field of advanced integrated circuit structure fabrication and, in particular, 10 nanometer node and smaller integrated circuit structure fabrication and the resulting structures. In an example, an integrated circuit structure includes a fin. An isolation structure surrounds a lower fin portion, the isolation structure comprising an insulating material having a top surface, and a semiconductor material on a portion of the top surface of the insulating material, wherein the semiconductor material is separated from the fin. A gate dielectric layer is over the top of an upper fin portion and laterally adjacent the sidewalls of the upper fin portion, the gate dielectric layer further on the semiconductor material on the portion of the top surface of the insulating material. A gate electrode is over the gate dielectric layer.
Self-aligned gate endcap (SAGE) architecture having gate contacts
Self-aligned gate endcap (SAGE) architectures having gate contacts, and methods of fabricating SAGE architectures having gate contacts, are described. In an example, an integrated circuit structure includes a gate structure over a semiconductor fin. A gate endcap isolation structure is laterally adjacent to and in contact with the gate structure. A trench contact structure is over the semiconductor fin, where the gate endcap isolation structure is laterally adjacent to and in contact with the trench contact structure. A local gate-to-contact interconnect is electrically connecting the gate structure to the trench contact structure.