H01L21/28061

Power Semiconductor Device and Method of Producing a Power Semiconductor Device

A method of producing a power semiconductor device includes: providing a semiconductor body; forming, at the semiconductor body, a polycrystalline semiconductor region; forming, at the polycrystalline semiconductor region, an amorphous sublayer; subjecting the amorphous sublayer to a re-crystallization processing step to form a re-crystallized sublayer; and forming a metal layer at the re-crystallized sublayer.

Semiconductor device and method

In an embodiment, a method includes: forming a gate dielectric layer on an interface layer; forming a doping layer on the gate dielectric layer, the doping layer including a dipole-inducing element; annealing the doping layer to drive the dipole-inducing element through the gate dielectric layer to a first side of the gate dielectric layer adjacent the interface layer; removing the doping layer; forming a sacrificial layer on the gate dielectric layer, a material of the sacrificial layer reacting with residual dipole-inducing elements at a second side of the gate dielectric layer adjacent the sacrificial layer; removing the sacrificial layer; forming a capping layer on the gate dielectric layer; and forming a gate electrode layer on the capping layer.

Method of indirect heating using laser
11488828 · 2022-11-01 · ·

An indirect heating method using a laser according to an aspect of the present disclosure includes: a first process of adjacently placing a first material structure containing metal and a second material structure containing inorganic material; and a second process of directly heating the first material structure to indirectly heat the second material structure adjacent to the first material structure by radiating a laser to the first material structure.

Semiconductor device with multi-threshold gate structure

The present disclosure describes a semiconductor device that includes a substrate and a first transistor on the substrate. The first transistor includes a first gate structure and the first gate structure includes a gate dielectric layer and a first work function layer on the gate dielectric layer. The first gate structure also includes a capping layer on the first work function layer. The semiconductor device also includes a second transistor on the substrate, in which the second transistor includes a second gate structure. The second gate structure includes the gate dielectric layer and a second work function layer on the gate dielectric layer. The second gate structure also includes the first work function layer on the second work function layer and the silicon capping layer on the first work function layer.

Semiconductor Devices Having Dipole-Inducing Elements

In an embodiment, a method includes: forming a gate dielectric layer on an interface layer; forming a doping layer on the gate dielectric layer, the doping layer including a dipole-inducing element; annealing the doping layer to drive the dipole-inducing element through the gate dielectric layer to a first side of the gate dielectric layer adjacent the interface layer; removing the doping layer; forming a sacrificial layer on the gate dielectric layer, a material of the sacrificial layer reacting with residual dipole-inducing elements at a second side of the gate dielectric layer adjacent the sacrificial layer; removing the sacrificial layer; forming a capping layer on the gate dielectric layer; and forming a gate electrode layer on the capping layer.

METHOD FOR FABRICATING SEMICONDUCTOR DEVICES
20220359533 · 2022-11-10 ·

A method for fabricating a semiconductor device includes providing a substrate including a cell region and a core/peripheral region around the cell region, forming a gate insulating film on the substrate of the core/peripheral region, forming a first conductive film of a first conductive type on the gate insulating film, forming a diffusion blocking film within the first conductive film, the diffusion blocking film being spaced apart from the gate insulating film in a vertical direction, after forming the diffusion blocking film, forming an impurity pattern including impurities within the first conductive film, diffusing the impurities through a heat treatment process to form a second conductive film of a second conductive type and forming a metal gate electrode on the second conductive film, wherein the diffusion blocking film includes helium (He) and/or argon (Ar).

SEMICONDUCTOR DEVICE HAVING BURIED GATE STRUCTURE AND METHOD FOR FABRICATING THE SAME
20220059670 · 2022-02-24 · ·

Disclosed is a semiconductor device for improving a gate induced drain leakage and a method for fabricating the same, and the method for fabricating semiconductor device may include forming a trench in a substrate; forming a gate dielectric layer over the trench, embedding a first dipole inducing portion in the gate dielectric layer on a lower side of the trench, filling a lower gate over the first dipole inducing portion, embedding a second dipole inducing portion in the gate dielectric layer on an upper side of the trench and forming an upper gate over the lower gate.

Electrode having excellent light transmittance, method for manufacturing same, and electronic element including same

An electronic device with an electrode having a superior light transmittance and including a substrate, an amine group-containing compound layer formed on the substrate, and a metal layer formed on the amine group-containing compound layer is provided. In accordance with the present invention, the electrode is easily manufactured when a solution process is used, has performances of a light transmittance, a sheet resistance, and flexibility higher than those of a typical ITO transparent electrode, and a manufacturing cost of the electrode may be reduced.

TRANSISTORS WITH DIFFERENT THRESHOLD VOLTAGES

A semiconductor having a first gate-all-around (GAA) transistor, a second GAA transistor, and a third GAA transistor is provided. The first (GAA) transistor includes a first plurality of channel members, a gate dielectric layer over the first plurality of channel members, a first work function layer over the gate dielectric layer, and a glue layer over the first work function layer. The second GAA transistor include a second plurality of channel members, the gate dielectric layer over the second plurality of channel members, and a second work function layer over the gate dielectric layer, the first work function layer over and in contact with the second work function layer, and the glue layer over the first work function layer. The third GAA transistor includes a third plurality of channel members, the gate dielectric layer over the third plurality of channel members, and the glue layer over the gate dielectric layer.

Method for fabricating semiconductor devices
11430794 · 2022-08-30 · ·

A method for fabricating a semiconductor device includes providing a substrate including a cell region and a core/peripheral region around the cell region, forming a gate insulating film on the substrate of the core/peripheral region, forming a first conductive film of a first conductive type on the gate insulating film, forming a diffusion blocking film within the first conductive film, the diffusion blocking film being spaced apart from the gate insulating film in a vertical direction, after forming the diffusion blocking film, forming an impurity pattern including impurities within the first conductive film, diffusing the impurities through a heat treatment process to form a second conductive film of a second conductive type and forming a metal gate electrode on the second conductive film, wherein the diffusion blocking film includes helium (He) and/or argon (Ar).