H01L21/30604

Semiconductor device and forming method thereof

A semiconductor device includes a semiconductor substrate, a semiconductor fin extending from the semiconductor substrate, a gate structure extending across the semiconductor fin, and source/drain semiconductor layers on opposite sides of the gate structure. The source/drain semiconductor layers each have a first thickness over a top side of the semiconductor fin and a second thickness over a lateral side of the semiconductor fin. The first thickness and the second thickness have a difference smaller than about 20 percent of the first thickness.

PROCESSES AND APPLICATIONS FOR CATALYST INFLUENCED CHEMICAL ETCHING

A system for assembling fields from a source substrate onto a second substrate. The source substrate includes fields. The system further includes a transfer chuck that is used to pick at least four of the fields from the source substrate in parallel to be transferred to the second substrate, where the relative positions of the at least four of the fields is predetermined.

SEMICONDUCTOR STRUCTURE AND METHOD FOR FABRICATING THE SAME
20230013215 · 2023-01-19 ·

Embodiments relate to a semiconductor structure and a method for fabricating the same. The method includes: providing a substrate, where a plurality of first trench initial structures are formed on the substrate, and the first trench initial structures extend along a first direction; and sequentially performing a thermal oxidation process and an oxide etching process on trench walls of the first trench initial structures to form first trenches whose trench widths satisfy a first preset dimension. The semiconductor structure and the method for fabricating the same can precisely control a trench width dimension of a trench, to form an isolation structure having a precise dimension in the trench, thereby effectively reducing parasitic capacitance and improving production yield and electrical properties of the semiconductor structure.

SEMICONDUCTOR METHOD AND DEVICE
20230019633 · 2023-01-19 ·

A method includes forming a fin extending from a substrate; depositing a liner over a top surface and sidewalls of the fin, where the minimum thickness of the liner is dependent on selected according to a first germanium concentration of the fin; forming a shallow trench isolation (STI) region adjacent the fin; removing a first portion of the liner on sidewalls of the fin, the first portion of the liner being above a topmost surface of the STI region; and forming a gate stack on sidewalls and a top surface of the fin, where the gate stack is in physical contact with the liner.

Semiconductor device, manufacturing method for semiconductor device, and electronic device

There is provided a semiconductor device including a first semiconductor base substrate, a second semiconductor base substrate that is bonded onto a first surface side of the first semiconductor base substrate, a through electrode that is formed to penetrate from a second surface side of the first semiconductor base substrate to a wiring layer on the second semiconductor base substrate, and an insulation layer that surrounds a circumference of the through electrode formed inside the first semiconductor base substrate.

Semiconductor device and manufacturing method thereof

A semiconductor device including a FET includes an isolation insulating layer disposed in a trench of the substrate, a gate dielectric layer disposed over a channel region of the substrate, a gate electrode disposed over the gate dielectric layer, a source and a drain disposed adjacent to the channel region, and an embedded insulating layer disposed below the source, the drain and the gate electrode and both ends of the embedded insulating layer are connected to the isolation insulating layer.

Method for the controlled removal of a protective layer from a surface of a component

A method 14 for the controlled removal of a protective layer 3 from a surface of a component 10, wherein the component comprises: a base body 1; an intermediate layer 2, which at least partially covers the base body; and said protective layer 3, which comprises an amorphous solid, in particular an amorphous nonmetal, in particular amorphous ceramic, and at least partially covers the intermediate layer;
wherein the method comprises the following steps: bringing 11 the protective layer 3 into contact with an etching or solvent medium 4; and removing 12 the protective layer 3 under the action of the etching or solvent medium 4 until the intermediate layer 2 is exposed;
and wherein the etching or solvent medium causes a first etching or dissolving speed of the protective layer and a second etching or dissolving speed of the intermediate layer and wherein the first etching or dissolving speed is greater than the second etching or dissolving speed. The invention furthermore relates to a method for replacing an old protective layer on a component, a method for operating a thin-film process facility, a component for use in a thin-film process facility, and a production method for the component.

Isolation structure having different distances to adjacent FinFET devices

A first FinFET device includes first fin structures that extend in a first direction in a top view. A second FinFET device includes second fin structures that extend in the first direction in the top view. The first FinFET device and the second FinFET device are different types of FinFET devices. A plurality of gate structures extend in a second direction in the top view. The second direction is different from the first direction. Each of the gate structures partially wraps around the first fin structures and the second fin structures. A dielectric structure is disposed between the first FinFET device and the second FinFET device. The dielectric structure cuts each of the gate structures into a first segment for the first FinFET device and a second segment for the second FinFET device. The dielectric structure is located closer to the first FinFET device than to the second FinFET device.

Silicon nitride etching composition and method

Compositions useful for the selective removal of silicon nitride materials relative to polysilicon, silicon oxide materials and/or silicide materials from a microelectronic device having same thereon are provided. The compositions of the invention are particularly useful in the etching of 3D NAND structures.

Wafer processing apparatus and method for processing wafer

A wafer processing apparatus is configured to process a wafer by supplying mist to a surface of the wafer. The wafer processing apparatus includes a furnace in which the wafer is disposed, a gas supplying device configured to supply gas into the furnace, a mist supplying device configured to supply the mist into the furnace, and a controller. The controller is configured to execute a processing step by controlling the gas supplying device and the mist supplying device to supply the gas and the mist into the furnace, respectively. The controller is further configured to control the mist supplying device to stop supplying the mist into the furnace while controlling the gas supplying device to keep supplying the gas into the furnace when the processing step ends.