Disclosed herein are IC structures with one or more decoupling capacitors based on dummy TSVs provided in a support structure. An example decoupling capacitor includes first and second capacitor electrodes and a capacitor insulator between them. The first capacitor electrode is a liner of a first electrically conductive material on sidewalls and a bottom of an opening in the support structure, the opening in the support structure extending from the second side towards, but not reaching, the second side. The capacitor insulator is a liner of a dielectric material on sidewalls and a bottom of the opening in the support structure lined with the first electrically conductive material. The second capacitor electrode is a second electrically conductive material filling at least a portion of the opening in the support structure lined with the first electrically conductive material and with the dielectric material.

A capacitor of a semiconductor device and a distributed model circuit for the same are disclosed. The capacitor includes a lower electrode layer, a plurality of upper electrode layers disposed over the lower electrode layer, a plurality of dielectric layers disposed between the lower electrode layer and each of the plurality of upper electrode layers, each dielectric layer configured to include a plurality of storage nodes, a plurality of line layers disposed over at least one of the plurality of upper electrode layers, and configured to receive a voltage for measuring an equivalent series resistance (ESR), and a plurality of contacts that electrically couple the plurality of line layers to the at least one of the plurality of upper electrode layers, wherein a resistance resulting from position information of the plurality of line layers and the plurality of contacts in a routing pattern corresponds to the ESR.

A device includes a first capacitor and a second capacitor connected to the first capacitor in parallel. The first capacitor includes a semiconductor region and a first plurality of gate stacks. The first plurality of gate stacks comprise a plurality of gate dielectrics over and contacting the semiconductor region, and a plurality of gate electrodes over the plurality of gate dielectrics. The second capacitor includes an isolation region, a second plurality of gate stacks over the isolation region, and a plurality of conductive strips over the isolation region and parallel to the second plurality of gate stacks. The second plurality of gate stacks and the plurality of conductive strips are laid out alternatingly.

A semiconductor structure includes a capacitor structure comprising an active region comprising opposing field edges parallel to a first horizontal direction and a gate region comprising opposing gate edges parallel to a second horizontal direction transverse to the first horizontal direction. The semiconductor structure also comprises a first dielectric material adjacent at least one of the opposing field edges or the opposing gate edges and a second dielectric material adjacent the active area and abutting portions of the first dielectric material. A height of the second dielectric material in a vertical direction may be less than the height of the first dielectric material. Semiconductor devices and related methods are also disclosed.

Various embodiments of the present application are directed towards a semiconductor device comprising a trench capacitor, the trench capacitor comprising a plurality of lateral protrusions. In some embodiments, the trench capacitor comprises a dielectric structure over a substrate. The dielectric structure may comprise a plurality of dielectric layers overlying the substrate. The dielectric structure may comprise a plurality of lateral recesses. In some embodiments, the plurality of lateral protrusions extend toward and fill the plurality of lateral recesses. By forming the trench capacitor with the plurality of lateral protrusions filling the plurality of lateral recesses, the surface area of the capacitor is increased without increasing the depth of the trench. As a result, greater capacitance values may be achieved without necessarily increasing the depth of the trench and thus, without necessarily increasing the size of the semiconductor device.

An electrical device that includes a substrate; a 3D capacitor including a capacitor dielectric region of a dielectric material, a capacitor electrode region of a conductive material, the capacitor dielectric region and the capacitor electrode region being arranged at least partially inside a cavity extending in the substrate from a top face of the substrate; and a surrounding through opening in the substrate and which surrounds a surrounded substrate region, the 3D capacitor being outside of the surrounded substrate region, the surrounding through opening extending from the top face to a bottom face of the substrate, wherein inside the surrounding through opening a surrounding dielectric region of the dielectric material and a surrounding conductive region of the conductive material are arranged.

The present application provides a method for manufacturing a semiconductor die. The method includes forming dielectric layers on a substrate; forming decoupling capacitors in the dielectric layers; forming first and second bonding pads on the dielectric layers, wherein the first bonding pads are coupled to a power supply voltage, the second bonding pads are coupled to a reference voltage, a group of the decoupling capacitors are located under one of the first bonding pads, first terminals of the group of the decoupling capacitors are electrically connected to the one of the first bonding pads, second terminals of the group of the decoupling capacitors are routed to one of the second bonding pads; and forming bond metals on the first and second bonding pads, wherein the decoupling capacitors are overlapped with the first and second bonding pads, and laterally surround portions of the dielectric layers overlapped with the bond metals.

A semiconductor device includes: a semiconductor base body of a first conductivity-type; a first electrode electrically connected to the semiconductor base body; a first semiconductor region of a second conductivity-type provided at an upper part of the semiconductor base body; a second semiconductor region of the first conductivity-type provided at an upper part of the first semiconductor region; a second electrode electrically connected to the first semiconductor region; an insulating film provided on a top surface of the second semiconductor region; and a passive element provided on a top surface of the insulating film.

A capacitor includes: a semiconductor substrate including at least one substrate trench group; at least one laminated structure, each laminated structure includes n conductive layers and m dielectric layers, the first conductive layer in the n conductive layers is disposed above the semiconductor substrate and in the substrate trench group, the i-th conductive layer in the n conductive layers is provided with the i-th conductive layer trench group, and the (i+1)th conductive layer in the n conductive layers is disposed above the i-th conductive layer and in the i-th conductive layer trench group, where m, n, and i are positive integers, and n≥2, 1≤i≤n−1; a first external electrode connected to some conductive layers; and a second external electrode connected to other conductive layers.

There is disclosed herein an SOI IC comprising an integrated capacitor comprising a parallel arrangement of a metal-insulator-metal, MIM, capacitor, a second capacitor, a third capacitor, and a fourth capacitor:

wherein the second capacitor comprises as plates the substrate and a one of a plurality of semiconductor layers having an n-type doping, and comprises the buried oxide layer as dielectric;
the third capacitor comprises as plates the polysilicon layer and a further one of a plurality of semiconductor layers having an n-type doping, and comprises an insulating layer between the plurality of semiconductor layers and the metallisation stack as dielectric; and
the fourth capacitor comprises as plates the polysilicon plug and at least one of the plurality of semiconductor layers and comprises the oxide-lining as dielectric, wherein the oxide lining and the polysilicon plug form part of a lateral isolation (DTI) structure.