H01L21/68771

Nucleation-Free Gap Fill ALD Process

Processing methods comprise forming a gap fill layer comprising tungsten or molybdenum by exposing a substrate surface having at least one feature thereon sequentially to a metal precursor and a reducing agent comprising hydrogen to form the gap fill layer in the feature, wherein there is not a nucleation layer between the substrate surface and the gap fill layer.

WAFER PLACEMENT CORRECTION IN INDEXED MULTI-STATION PROCESSING CHAMBERS
20220172967 · 2022-06-02 · ·

Systems and techniques for determining and using multiple types of offsets for providing wafers to a transfer pedestal of a multi-station processing chamber are disclosed. Such techniques may be used to provide pedestal-specific offsets that may be selected based on which pedestal of a multi-station chamber is assigned to a particular wafer. Similar techniques may be used to provide wafer support-specific offsets based on which indexer arm of an indexer is assigned to a given wafer.

PECVD DEPOSITION SYSTEM FOR DEPOSITION ON SELECTIVE SIDE OF THE SUBSTRATE
20220162755 · 2022-05-26 ·

A plasma processing system is provided. The system includes a chamber, a controller and a showerhead disposed in the chamber. A first gas manifold is connected to the showerhead for providing a first gas from a first gas source responsive to control from the controller. A shower-pedestal is disposed in the chamber and oriented opposite the showerhead. A second gas manifold is connected to the shower-pedestal for providing a second gas from a second gas source responsive to control from the controller. A substrate support for holding a substrate at a spaced apart relationship from the shower-pedestal is provided. A radio frequency (RF) power supply for providing power to the showerhead to generate a plasma is provided. The plasma is used for depositing a film on a back-side of the substrate, when present in the chamber. The substrate is held by the substrate support in the spaced apart relationship from the shower-pedestal, during backside deposition. The showerhead provides a purge gas during the backside deposition.

MULTI-STATION PROCESSING CHAMBER FOR SEMICONDUCTOR

The invention discloses a semiconductor multi-station processing chamber. Each of the multiple station includes a downward concave accommodation defined by walls and receives a pedestal therein. The pedestal and the walls define a first gap. A showerhead plate mounted on an upper lid above the pedestal to define a processing region. A second gap for supply swiping gas is defined between the showerhead plate and the upper lid. An isolation member is liftable between the downward concave accommodation and the showerhead plate to optionally encircle a processing region defined by the pedestal and the showerhead plate or to retract back into the downward concave accommodation. Such that, when the isolation member surrounds and encircles the processing region, the station is able to be structurally isolated from its neighboring one station.

MULTI-CHAMBER SEMICONDUCTOR MANUFACTURING SYSTEM
20230274958 · 2023-08-31 ·

A multi-chamber semiconductor manufacturing system is provided, including: a base, a plurality of processing units and a transfer unit. The base includes a main body and a plurality of supporting frames protrudingly disposed on a mounting surface of the main body. The plurality of processing units are connected to the plurality of supporting frames. The transfer unit is connected to the plurality of supporting frames and located between the plurality of processing units. The transfer unit is configured to transfer a substrate between the plurality of processing units. An aspect ratio value of the base is between 1 and 3.

Apparatus for atomic layer deposition and method of forming thin film using the apparatus

An ALD apparatus includes a first process chamber configured to supply a first source gas and induce adsorption of a first material film. A second process chamber is configured to supply a second source gas and induce adsorption of a second material film. A third process chamber is configured to supply a third source gas and induce absorption of a third material film. A surface treatment chamber is configured to perform a surface treatment process on each of the first to third material films and remove a reaction by-product. A heat treatment chamber is configured to perform a heat treatment process on the substrate on which the first to third material films are adsorbed in a predetermined order and transform the first to third material films into a single compound thin film.

Substrate processing apparatus
11339472 · 2022-05-24 · ·

A film deposition apparatus includes a process chamber, and a turntable in the process chamber to receive a substrate. An exhaust port is provided outside the turntable to evacuate the process chamber. An exhaust box is provided in a space between a ceiling surface of the process chamber and the surface of the turntable so as to surround a certain region along the circumferential direction and a radial direction by side walls so as to include a region upstream of the exhaust port in a rotational direction of the turntable. A gas supply unit to supply a gas into the exhaust box is provided. The exhaust box includes an outflow port in a side wall closest to the exhaust port such that a conductance of a gas flowing from the exhaust box increases with increasing distance from the exhaust port.

Auto-calibration to a station of a process module that spins a wafer

A method for calibration including determining a temperature induced offset in a pedestal of a process module under a temperature condition for a process. The method includes delivering a wafer to the pedestal of the process module by a robot, and detecting an entry offset. The method includes rotating the wafer over the pedestal by an angle. The method includes removing the wafer from the pedestal by the robot and measuring an exit offset. The method includes determining a magnitude and direction of the temperature induced offset using the entry offset and exit offset.

Substrate processing apparatus
11742223 · 2023-08-29 · ·

A substrate processing apparatus comprises a processing tub and a fluid supply. In the processing tub, a processing is performed on multiple substrates by immersing the multiple substrates in a processing liquid. The fluid supply is disposed under the multiple substrates within the processing tub and configured to discharge a fluid to generate a liquid flow of the processing liquid within the processing tub. Further, the fluid supply includes multiple discharge paths configured to discharge the fluid to different regions in an arrangement direction of the multiple substrates.

In-Situ DC Plasma For Cleaning Pedestal Heater

Substrate supports, substrate support assemblies and methods of using an arc generated between a first electrode and a second electrode to clean a support surface. The first electrode comprises a plurality of first branches which are interdigitated with a plurality of branches of the second electrode in a finger-joint like pattern creating a gap between the first electrode and the second electrode.