An object is to provide a semiconductor device of which a manufacturing process is not complicated and by which cost can be suppressed, by forming a thin film transistor using an oxide semiconductor film typified by zinc oxide, and a manufacturing method thereof. For the semiconductor device, a gate electrode is formed over a substrate; a gate insulating film is formed covering the gate electrode; an oxide semiconductor film is formed over the gate insulating film; and a first conductive film and a second conductive film are formed over the oxide semiconductor film. The oxide semiconductor film has at least a crystallized region in a channel region.

Semiconductor device, and manufacturing method thereof

Lasing is experimentally demonstrated in a direct bandgap GeSn alloy, grown directly onto Si(001). The authors observe a clear lasing threshold as well as linewidth narrowing at low temperatures.

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Lasing in direct-bandgap GeSn alloy grown on Si

Process gas discharged from a bypass pipe to a gas exhaust system can be prevented from diffusing back to the inside of a process chamber without having to install a dedicated vacuum pump at the downstream side of the bypass pipe. The substrate processing apparatus includes a process chamber accommodating a substrate, a gas supply system supplying process gas from a process gas source to the process chamber for processing the substrate, a gas exhaust system configured to exhaust the process chamber, two or more vacuum pumps installed in series at the gas exhaust system, and a bypass pipe connected between the gas supply system and the gas exhaust system. The most upstream one of the vacuum pumps is a mechanical booster pump, and the bypass pipe is connected between the mechanical booster pump and the rest vacuum pumps located at a downstream side of the mechanical booster pump.

Substrate Processing Apparatus

Semiconductor devices and methods of manufacture thereof are disclosed. In one embodiment, a method of manufacturing a semiconductor device includes forming a channel region in a workpiece, and forming a source or drain region proximate the channel region. The source or drain region includes a contact resistance-lowering material layer comprising SiP, SiAs, or a silicide. The source or drain region also includes a channel-stressing material layer comprising SiCP or SiCAs.

Semiconductor Devices and Methods of Manufacture Thereof

Embodiments of the invention generally provide a method for depositing films or layers using a UV source during a photoexcitation process. The films are deposited on a substrate and usually contain a material, such as silicon (e.g., epitaxy, crystalline, microcrystalline, polysilicon, or amorphous), silicon oxide, silicon nitride, silicon oxynitride, or other silicon-containing materials. The photoexcitation process may expose the substrate and/or gases to an energy beam or flux prior to, during, or subsequent a deposition process. Therefore, the photoexcitation process may be used to pre-treat or post-treat the substrate or material, to deposit the silicon-containing material, and to enhance chamber cleaning processes. Attributes of the method that are enhanced by the UV photoexcitation process include removing native oxides prior to deposition, removing volatiles from deposited films, increasing surface energy of the deposited films, increasing the excitation energy of precursors, reducing deposition time, and reducing deposition temperature.

Method for forming silicon-containing materials during a photoexcitation deposition process

La presente invention concerne une electrode en silicium bi-couche et son procede de fabrication. L'electrode de la presente invention et constitue d'un film inferieur en silicium polycristallin aux grains en microstructure aleatoire, et d'un film superieur en silicium polycristallin aux grains en microstructure colonnaire.

Film de silicium bi-couche et procede de fabrication

An apparatus for chemical vapor deposition comprising: a chamber for chemical vapor deposition that has a gas inlet port and a liquid reactant vaporizer which has an outlet opening which is connected to the outlet of the chamber, wherein the evaporator comprises a container which includes an upper portion, a lower portion, inner side surfaces and a bottom surface wherein the container contains a liquid reactant, wherein the space between the inner side surfaces defining an interior container diameter; an inlet port connected to a source of carrier gas; a porous member having an outer diameter which is substantially equal to the inner diameter of the container, and that is inserted into the lower portion of the container below the level of the liquid reactant and defining a plenum between the porous member and the bottom of the container; and a gas supply conduit extending through the gas inlet aperture and the porous member.

Apparatus and method for chemical vapor deposition

Embodiments generally relate to methods for depositing silicon-phosphorous materials, and more specifically, relate to using silicon-phosphorous compounds in vapor deposition processes (e.g., epitaxy, CVD, or ALD) to deposit silicon- phosphorous materials. In one or more embodiments, a method for forming a silicon-phosphorous material on a substrate is provided and includes exposing the substrate to a deposition gas containing one or more silicon-phosphorous compounds during a deposition process and depositing a film containing the silicon-phosphorous material on the substrate. The silicon-phosphorous compound has the chemical formula [(R3- vHvSi)-(R2-wHwSi)n]xPHyR'z, where each instance of R and each instance of R' are independently an alkyl or a halogen, n is 0, 1, or 2; v is 0, 1, 2, or 3; w is 0, 1, or 2; x is 1, 2, or 3; y is 0, 1, or 2; z is 0, 1, or 2, and where x + y + z = 3.

Method for forming silicon-phosphorous materials

Embodiments disclosed herein are directed to forming MOSFET devices. In particular, one or more pre-silicide treatments are performed on a substrate prior to the deposition of the metal-silicide layer to improve the density and performance of the metal-silicide layer in the MOSFETs. The metal-silicide formation formed with the pre-silicide treatment(s) can occur before or after the formation of metal gates during MOSFET fabrication.

Silicide film nucleation

The present disclosure generally relate to methods for forming an epitaxial layer on a semiconductor device, including a method of forming a tensile-stressed silicon antimony layer. The method includes heating a substrate disposed within a processing chamber, wherein the substrate comprises silicon, and exposing a surface of the substrate to a gas mixture comprising a silicon-containing precursor and an antimony-containing precursor to form a silicon antimony alloy having an antimony concentration of 5×1020 to 5×1021 atoms per cubic centimeter or greater on the surface.

Errol Antonio C. Sanchez

Papers

Film de silicium bi-couche et procede de fabrication

Apparatus and method for chemical vapor deposition

Method for forming silicon-phosphorous materials

Silicide film nucleation

A method and material for cmos contact and barrier layer