H01L21/02565

IGZO THIN-FILM TRANSISTOR AND METHOD FOR MANUFACTURING SAME

An IGZO thin-film transistor and a method for manufacturing same. The method comprises: acquiring a substrate; forming an IGZO layer on the substrate by means of a solution process; doping V impurities on a surface of the IGZO layer by means of a spin doping process; forming a source electrode at one side of the IGZO layer, and forming a drain electrode at the other side thereof; forming a gate dielectric layer on the doped IGZO layer; and forming a gate electrode on the gate dielectric layer.

SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE
20220367674 · 2022-11-17 ·

A semiconductor device includes: a semiconductor film including a Schottky junction region and an Ohmic junction region; a Schottky electrode arranged on the Schottky junction region; and an Ohmic electrode arranged on the Ohmic junction region, the Schottky junction region having a first dislocation density, the Ohmic junction region having a second dislocation region, and the first dislocation density being smaller than the second dislocation density.

METHOD OF SELECTIVE FILM DEPOSITION AND SEMICONDUCTOR FEATURE MADE BY THE METHOD

A method for manufacturing a semiconductor feature includes: alternatingly forming first and second dielectric layers on a semiconductor substrate along a vertical direction; forming multiple spaced-apart trenches penetrating the first and second dielectric layers; forming multiple support segments filling the trenches; removing the second dielectric layers to form multiple spaces; forming multiple conductive layers filling the spaces; removing the support segments to expose the conductive layers and the first dielectric layers; selectively forming a blocking layer covering the first dielectric layers outside of the conductive layers; forming multiple selectively-deposited sub-layers on the exposed conductive layers outside of the blocking layer and each connected to one of the conductive layers; forming multiple channel sub-layers on the selectively-deposited sub-layers outside of the blocking layer; removing the blocking layer; forming multiple isolation sub-layers filling the trenches; and forming multiple source/drain segments each connected to corresponding ones of the channel sub-layers.

Thin film transistor, and display panel and display apparatus using the same

A thin film transistor, a display panel comprising the same and a display apparatus are discussed. The thin film transistor comprises a buffer layer embodied on a substrate, a semiconductor layer embodied on the buffer layer, including a channel area, a first conductor portion and a second conductor portion, a gate insulating film embodied on the semiconductor layer, a gate electrode embodied on the gate insulating film, and an auxiliary electrode overlapped with the second conductor portion, wherein the first conductor portion is extended from one side of the channel area, and becomes a source area, and the second conductor portion is extended from the other side of the channel area, and becomes a drain area.

Leakage-free implantation-free ETSOI transistors

A semiconductor device includes an extremely thin semiconductor-on-insulator substrate (ETSOI) having a base substrate, a thin semiconductor layer and a buried dielectric therebetween. A device channel is formed in the thin semiconductor layer. Source and drain regions are formed at opposing positions relative to the device channel. The source and drain regions include an n-type material deposited on the buried dielectric within a thickness of the thin semiconductor layer. A gate structure is formed over the device channel.

Coating liquid for forming metal oxide film, oxide film, field-effect transistor, and method for producing the same

A coating liquid for forming a metal oxide film, the coating liquid including: a metal source, which is at least one selected from the group consisting of inorganic salts, oxides, hydroxides, metal complexes, and organic acid salts; at least one alkali selected from the group consisting of organic alkalis and inorganic alkalis; and a solvent.

METHOD FOR FORMING OXIDE SEMICONDUCTOR FILM, SEMICONDUCTOR DEVICE, AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE

The impurity concentration in the oxide semiconductor film is reduced, and a highly reliability can be obtained.

MANUFACTURING METHOD OF SEMICONDUCTOR DEVICE

A manufacturing method of a semiconductor device includes the forming a first oxide over a substrate; depositing a first insulator over the first oxide; forming an opening reaching the first oxide in the first insulator; depositing a first oxide film in contact with the first oxide and the first insulator in the opening; depositing a first insulating film over the first oxide film by a PEALD method; depositing a first conductive film over the first insulating film; and removing part of the first oxide film, part of the first insulating film, and part of the first conductive film until a top surface of the first insulator is exposed to form a second oxide, a second insulator, and a first conductor. The deposition of the first insulating film is performed while the substrate is heated to higher than or equal to 300°.

Active matrix substrate and method for manufacturing same

An active matrix substrate includes a substrate, a first gate bus line, a second gate bus line, a third gate bus line, a first source bus line, a second source bus line, a first pixel region, a second pixel region, and a first source contact portion. When viewed from a normal direction of the substrate, a first opening portion is located between the second gate bus line and the third gate bus line, and a first distance D1 in a column direction between the second gate bus line and the first opening portion and a second distance D2 in the column direction between the third gate bus line and the first opening portion are both ⅕ or more of a second interval Dy2 in the column direction between the second gate bus line and the third gate bus line.

MANUFACTURING METHOD OF SEMICONDUCTOR DEVICE

To provide a method for manufacturing a semiconductor device including an oxide semiconductor film having conductivity, or a method for manufacturing a semiconductor device including an oxide semiconductor film having a light-transmitting property and conductivity. The method for manufacturing a semiconductor device includes the steps of forming an oxide semiconductor film over a first insulating film, performing first heat treatment in an atmosphere where oxygen contained in the oxide semiconductor film is released, and performing second heat treatment in a hydrogen-containing atmosphere, so that an oxide semiconductor film having conductivity is formed.