H01L27/0805

INTEGRATED CIRCUIT DEVELOPMENT USING ADAPTIVE TILE DESIGN APPROACH FOR METAL INSULATOR METAL CAPACITOR INSERTION
20230031704 · 2023-02-02 ·

Aspects of the invention include configuring an initial tile with a plurality of portions, placing the initial tile at a location of the integrated circuit, and overlaying a clock mesh placement at the location. One or more of the plurality of portions of the initial tile that overlap with the clock mesh placement are determined, and the initial tile is modified, based on the determining the one or more of the plurality of portions, to generate a final tile. A design of the integrated circuit is finalized for fabrication based on using the final tile at the location, the final tile representing a plate of a metal insulator metal capacitor (MIMCAP).

METAL-INSULATOR-METAL CAPACITOR AND INTEGRATED CHIP

Disclosed are metal-insulator-metal capacitors and integrated chips. In one embodiment, a metal-insulator-metal capacitor includes N electrodes and (N−1) passivation layers, wherein the N electrodes and the (N−1) passivation layers are alternately stacked on a substrate. N is an integer larger than 1. Thicknesses of the N electrodes gradually increase in a direction parallel to a normal direction of the substrate.

FRINGE CAPACITOR ARRANGED BASED ON METAL LAYERS WITH A SELECTED ORIENTATION OF A PREFERRED DIRECTION

A fringe capacitor comprises a plurality of unidirectional metal layers, wherein an orientation of a preferred direction of each of the unidirectional metal layers is in a same direction. First fingers of the fringe capacitor are formed in a first layer of the unidirectional metal layers, the first fingers being interdigitated and having a direction parallel to the orientation of the preferred direction. Second fingers of the fringe capacitor are formed in a second layer of the unidirectional metal layers, the second fingers being interdigitated and having a direction parallel to the orientation of the preferred direction, the first layer and the second layer separated by at least a layer of not having the orientation of the preferred direction and not having fingers of the fringe capacitor

Method of manufacturing an integrated circuit comprising a capacitive element

A capacitive element of an integrated circuit includes first and second electrodes. The first electrode is formed by a first electrically conductive layer located above a semiconductor well doped with a first conductivity type. The second electrode is formed by a second electrically conductive layer located above the first electrically conductive layer of the semiconductor well. The second electrode is further formed by a doped surface region within the semiconductor well that is heavily doped with a second conductivity type opposite the first conductivity type, wherein the doped surface region is located under the first electrically conductive layer. An inter-electrode dielectric area electrically separates the first electrode and the second electrode.

METAL-INSULATOR-METAL CAPACITOR (MIMCAP) AND METHODS OF FORMING THE SAME
20230069830 · 2023-03-09 ·

A device may include a first conductive element and an interlevel dielectric arranged over the first conductive element. The device may further include a dual damascene opening including a first end, a second end, and sidewalls extending between the first and second ends, the sidewalls extending through the interlevel dielectric. A metal-insulator-metal (MIM) stack may line the dual damascene opening. The MIM stack may include a first conductive liner lining the sidewalls and the second end of the dual damascene opening, an insulator layer lining the first conductive liner, and a second conductive liner lining the insulator layer. A first metal interconnect may be disposed in and filling the dual damascene opening lined with the MIM stack.

Semiconductor device
11476263 · 2022-10-18 · ·

A semiconductor device includes: a semiconductor substrate; a first semiconductor layer; a first conductor; a first power supply line; a second power supply line; and a circuit. The semiconductor substrate has a first surface, a second surface facing the first surface, and a third surface disposed between the first surface and the second surface. The first semiconductor layer is disposed along the first surface from the third surface. The first conductor is disposed on the first semiconductor layer. The first power supply line is electrically connected to the first conductor. The second power supply line is electrically connected to the semiconductor substrate. The circuit is disposed on the semiconductor substrate and connected to the first power supply line and the second power supply line.

CAPACITOR AND METHOD FOR FORMING THE SAME

An integrated circuit (IC) structure includes a semiconductor substrate, a shallow trench isolation (STI) region, and a capacitor. The STI region is embedded in the semiconductor substrate. The capacitor includes first and second conductive stacks. The first conductive stack includes a first dummy gate strip disposed entirely within the STI region and a plurality of first metal dummy gate contacts landing on the first metal capacitor strip. The second conductive stack includes a second dummy gate strip disposed entirely within the STI region and extending in parallel with the first dummy gate strip, and a plurality of second dummy gate contacts landing on the second dummy gate strip, wherein the first conductive stack is electrically isolated from the second conductive stack.

CAPACITOR AND METHOD FOR FORMING THE SAME

An integrated circuit (IC) structure includes a semiconductor substrate, a shallow trench isolation (STI) region, and a capacitor. The STI region is embedded in the semiconductor substrate. The capacitor includes first and second conductive stacks. The first conductive stack includes a first dummy gate strip disposed entirely within the STI region and a plurality of first metal dummy gate contacts landing on the first metal capacitor strip. The second conductive stack includes a second dummy gate strip disposed entirely within the STI region and extending in parallel with the first dummy gate strip, and a plurality of second dummy gate contacts landing on the second dummy gate strip, wherein the first conductive stack is electrically isolated from the second conductive stack.

SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF

A semiconductor device includes a metal-insulator-metal (MIM) capacitor. The MIM capacitor includes: electrodes including one or more first electrodes and one or more second electrodes; and one or more insulating layers disposed between adjacent electrodes. The MIM capacitor is disposed in an interlayer dielectric (ILD) layer disposed over a substrate. The one or more first electrodes are connected to a side wall of a first via electrode disposed in the ILD layer, and the one or more second electrodes are connected to a side wall of a second via electrode disposed in the ILD layer. In one or more of the foregoing or following embodiments, the one or more insulating layers include a high-k dielectric material.

SEMICONDUCTOR DEVICE HAVING CAPACITOR AND MANUFACTURING METHOD THEREOF
20230107575 · 2023-04-06 ·

A semiconductor device and a manufacturing method thereof are provided. The method includes forming an isolation structure in a substrate to define an isolating region and forming a capacitor structure on an upper surface of the isolation structure and comprising a first semiconductor structure and a second semiconductor structure separated by an insulator pattern. The first semiconductor structure and the second semiconductor structure are formed with upper surfaces aligned with one another.