H01L21/02164

Method for fabricating semiconductor device
11699661 · 2023-07-11 · ·

The present application discloses a method for fabricating the semiconductor device. The method for fabricating a semiconductor device includes providing a substrate having a first lattice constant and forming a first word line positioned in the substrate and a plurality of stress regions positioned adjacent to lower portions of sidewalls of the first word line. The plurality of stress regions have a second lattice constant, the second lattice constant of the plurality of stress regions is different from the first lattice constant of the substrate.

Systems and methods for analyzing defects in CVD films

Embodiments of the present technology may include semiconductor processing methods that include depositing a film of semiconductor material on a substrate in a substrate processing chamber. The deposited film may be sampled for defects at greater than or about two non-contiguous regions of the substrate with scanning electron microscopy. The defects that are detected and characterized may include those of a size less than or about 10 nm. The methods may further include calculating a total number of defects in the deposited film based on the sampling for defects in the greater than or about two non-contiguous regions of the substrate. At least one deposition parameter may be adjusted as a result of the calculation. The adjustment to the at least one deposition parameter may reduce the total number of defects in a deposition of the film of semiconductor material.

MANUFACTURING METHOD FOR SEMICONDUCTOR STRUCTURE
20230011347 · 2023-01-12 · ·

A manufacturing method for a semiconductor structure includes: patterning and etching a semiconductor substrate to form a concave region; forming a first protective layer on a surface of the semiconductor substrate, the surface of the semiconductor substrate being a surface of a non-etched region except the concave region; forming an isolation structure in the concave region; and removing the first protective layer on the surface of the semiconductor substrate.

SEMICONDUCTOR STRUCTURE AND METHOD FOR MANUFACTURING SEMICONDUCTOR STRUCTURE
20230010594 · 2023-01-12 ·

A method for manufacturing a semiconductor structure includes: a substrate is provided; the substrate is etched to form a blind hole, a sidewall of the blind hole has a first roughness; at least one planarization process is performed on the sidewall of the blind hole until the sidewall of the blind hole has a preset roughness less than the first roughness. The planarization process includes: a first sacrificial layer is formed on the sidewall of the blind hole; a reaction source gas is provided such that the reaction source gas reacts with the first sacrificial layer and a portion of the substrate at the sidewall of the blind hole to form a second sacrificial layer; and the second sacrificial layer is removed, and after the second sacrificial layer is removed, the sidewall of the blind hole has a second roughness less than the first roughness.

Multi-Layer Random Access Memory and Methods of Manufacture
20230217643 · 2023-07-06 ·

A semiconductor structure for a DRAM is described having multiple layers of arrays of memory cells. Memory cells in a vertical string extending through the layers have an electrical connection to one terminal of the memory cells in that string. Word lines couple the strings together. Each layer of the array also includes bit line connections to memory cells on that layer. Select transistors enable the use of folded bit lines. The memory cells preferably are thyristors. Methods of fabricating the array are described.

Array substrate, manufacturing method thereof, and display apparatus

An array substrate, its manufacturing method, and a display apparatus are provided. The array substrate having a substrate, includes: a monocrystalline silicon substrate employed as the substrate including a central display area, a first peripheral area, and a second peripheral area; substrate circuits integrated with a scan drive circuit in the first peripheral area, a data drive circuit in the second peripheral area, and a plurality of pixel circuits in the central display area; a plurality of scan lines in the central display area and coupled to the scan drive circuit; and a plurality of data lines in the central display area and coupled to the data drive circuit. The scan drive circuit, the data drive circuit, and the plurality of pixel circuits include a plurality of transistors, each of which has an active region inside the monocrystalline silicon layer.

Method for manufacturing semiconductor structure

A method for manufacturing a semiconductor structure includes etching trenches in a semiconductor substrate to form a semiconductor fin between the trenches; converting sidewalls of the semiconductor fin into hydrogen-terminated surfaces each having silicon-to-hydrogen (S—H) bonds; after converting the sidewalls of the semiconductor fin into the hydrogen-terminated surfaces, depositing a dielectric material overfilling the trenches; and etching back the dielectric material to fall below a top surface of the semiconductor fin.

Ferroelectric capacitor, ferroelectric field effect transistor, and method used in forming an electronic component comprising conductive material and ferroelectric material

A method used in forming an electronic component comprising conductive material and ferroelectric material comprises forming a non-ferroelectric metal oxide-comprising insulator material over a substrate. A composite stack comprising at least two different composition non-ferroelectric metal oxides is formed over the substrate. The composite stack has an overall conductivity of at least 1×10.sup.2 Siemens/cm. The composite stack is used to render the non-ferroelectric metal oxide-comprising insulator material to be ferroelectric. Conductive material is formed over the composite stack and the insulator material. Ferroelectric capacitors and ferroelectric field effect transistors independent of method of manufacture are also disclosed.

METHOD OF PROCESSING SUBSTRATE, METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE, SUBSTRATE PROCESSING APPARATUS, AND RECORDING MEDIUM
20230215724 · 2023-07-06 · ·

There is provided a technique that includes: (a) forming a first element-containing film on a substrate by supplying a first element-containing gas to the substrate in an oxygen-free atmosphere; and (b) forming an oxide film by oxidizing the first element-containing film by supplying an oxygen-containing gas to the substrate, wherein in (b), temperature of the substrate is selected depending on a thickness of the first element-containing film.

SUBSTRATE PROCESSING APPARATUS, METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE AND NON-TRANSITORY COMPUTER-READABLE RECORDING MEDIUM

According to one aspect of the technique of the present disclosure, there is provided a substrate processing apparatus including: a process vessel in which a substrate is processed; an outer vessel configured to cover an outer circumference of the process vessel; a gas flow path provided between the outer vessel and the outer circumference of the process vessel; an exhaust path in communication with the gas flow path; an adjusting valve configured to be capable of adjusting a conductance of the exhaust path; a first exhaust apparatus provided on the exhaust path downstream of the adjusting valve; a pressure sensor configured to measure an inner pressure of the outer vessel; and a controller configured to be capable of adjusting an exhaust volume flow rate of the first exhaust apparatus by controlling the first exhaust apparatus based on a pressure measured by the pressure sensor.