H01L28/60

HIGH VOLTAGE METAL INSULATOR METAL (MIM) CAPACITOR
20230050491 · 2023-02-16 ·

High voltage metal insulator metal capacitors are described. In an example, a capacitor includes a first electrode plate, and a first capacitor dielectric on the first electrode plate. A second electrode plate is on the first capacitor dielectric and is over and parallel with the first electrode plate, and a second capacitor dielectric is on the second electrode plate. A third electrode plate is on the second capacitor dielectric and is over and parallel with the second electrode plate, and a third capacitor dielectric is on the third electrode plate. A fourth electrode plate is on the third capacitor dielectric and is over and parallel with the third electrode plate. In another example, a capacitor includes a first electrode, a capacitor dielectric on the first electrode, and a second electrode on the capacitor dielectric. The capacitor dielectric includes a plurality of alternating first dielectric layers and second dielectric layers.

METHOD OF MANUFACTURING SEMICONDUCTOR STRUCTURE AND SEMICONDUCTOR STRUCTURE
20230047359 · 2023-02-16 ·

The present disclosure provides a method of manufacturing a semiconductor structure and a semiconductor structure, relating to the technical field of semiconductors. The method of manufacturing a semiconductor structure includes: providing a substrate; forming multiple active pillars arranged in an array on the substrate, where an outer surface layer of each of the active pillars has a concave-convex surface; forming a gate oxide layer on the substrate, where a filling region is formed between two adjacent active pillars in the same row; forming a word line and a first dielectric layer in the filling region; exposing a top surface of each of the active pillars; forming a contact layer on the top surface of each of the active pillars; and forming a capacitor structure on the contact layer.

Semiconductor Structure, Layout of Semiconductor Structure and Semiconductor Device
20230050145 · 2023-02-16 ·

The disclosure provides a semiconductor structure, a layout of the semiconductor structure and a semiconductor device. The semiconductor structure includes: a plurality of first conductive layers which are spaced; a plurality of capacitor banks, and the capacitor bank being on the first conductive layer in one-to-one correspondence and the capacitor bank including at least a capacitor, each of the capacitor including a lower electrode layer, a capacitance dielectric layer and an upper electrode layer stacked from bottom to top; a capacitor plate, which is on each of the upper electrode layer; and a second conductive layer, which is above the capacitor plate and connected with the capacitor plate.

GALVANIC HIGH VOLTAGE ISOLATION CAPABILITY ENHANCEMENT ON REINFORCED ISOLATION TECHNOLOGIES

A microelectronic device includes a semiconductor substrate and a high voltage isolation capacitor over the substrate. The capacitor includes a bottom capacitor plate over the substrate. Dielectric layers are formed above the bottom capacitor plate, including a top dielectric layer. A high dielectric layer on the top dielectric layer includes at least a first sublayer having a first dielectric constant that is higher than a dielectric constant of the top dielectric layer. A top capacitor plate is formed on the high dielectric layer over the bottom capacitor plate. An electric field abatement structure surrounds the top capacitor plate. The electric field abatement structure includes a shelf of the high dielectric layer extending outward from a lower corner of the bottom capacitor plate at least 14 microns, and an isolation break in the high dielectric layer past the shelf, in which the first sublayer is removed from the isolation break.

Ceramic electronic component and method of manufacturing the same

A ceramic electronic component includes a multilayer chip having a substantially rectangular parallelepiped shape and including dielectric layers and internal electrode layers that are alternately stacked, the internal electrode layers being alternately exposed to two edge faces of the multilayer chip facing each other, and a pair of external electrodes respectively formed on the two edge faces so as to be connected to the internal electrode layers exposed on the respective edge faces, each external electrode extending to at least one side face of the multilayer chip, wherein in the multilayer chip, oxides including Zn and Ni are present around the internal electrode layer in a vicinity of a connection part connecting the internal electrode layer to the external electrode.

Zero mask high density capacitor

Methods and semiconductor devices are described herein which eliminate the use of additional masks. A first interconnect layer is formed. A first resistive layer is formed on top of the first interconnect layer. A dielectric layer is formed on top of the first resistive layer. A second resistive layer is formed on top of the dielectric layer.

Integrated circuits containing vertically-integrated capacitor-avalanche diode structures
11558018 · 2023-01-17 · ·

Integrated circuits, such as power amplifier integrated circuits, are disclosed containing compact-footprint, vertically-integrated capacitor-avalanche diode (AD) structures. In embodiments, the integrated circuit includes a semiconductor substrate, a metal layer system, and a vertically-integrated capacitor-AD structure. The metal layer system includes, in turn, a body of dielectric material in which a plurality of patterned metal layers are located. The vertically-integrated capacitor-AD structure includes a first AD formed, at least in part, by patterned portions of the first patterned metal layer. A first metal-insulator-metal (MIM) capacitor is also formed in the metal layer system and at least partially overlaps with the first AD, as taken along a vertical axis orthogonal to the principal surface of the semiconductor substrate. In certain instances, at least a majority, if not the entirety of the first AD vertically overlaps with the first MIM capacitor, by surface area, as taken along the vertical axis.

METHOD OF MANUFACTURING A TRENCH CAPACITOR WITH WAFER BOW
20230012211 · 2023-01-12 · ·

A trench capacitor manufacturing method is provided. The method includes forming a deep trench in a wafer, forming a trench capacitor structure including a plurality of dielectric films and a plurality of conductive layers in the deep trench; determining if the wafer has a tensile stress based on the forming of the trench capacitor structure; performing a high temperature heat treatment to the trench capacitor structure to change a form of the wafer to a direction that offsets the tensile stress; forming an inter-layer insulating film on the trench capacitor structure; and forming a metal interconnect on the inter-layer insulating film.

High voltage isolated microelectronic device
11574995 · 2023-02-07 · ·

A method forms a first voltage node of a high voltage component of a microelectronic device. The method also forms a plurality of dielectric layers. The method also forms a second voltage node of the high voltage component of the microelectronic device in a fourth position such that the plurality of dielectric layers is between the first voltage node and the second voltage node. During the forming a second voltage node step, a portion of a third layer in the plurality of dielectric layers, in a region outwardly positioned relative to the second voltage node, is removed to expose the second layer, in the plurality of dielectric layers, in the region.

Capacitor, semiconductor device including the same, and method of fabricating capacitor

A capacitor includes: a bottom electrode; a top electrode over the bottom electrode; a dielectric film between the bottom electrode and the top electrode; and a doped Al.sub.2O.sub.3 film between the top electrode and the dielectric film, wherein the doped Al.sub.2O.sub.3 film includes a first dopant, and an oxide including the same element as the first dopant has a higher dielectric constant than a dielectric constant of Al.sub.2O.sub.3.