H01L21/02046

Substrate cleaning apparatus and substrate cleaning method
11557493 · 2023-01-17 · ·

A substrate cleaning apparatus, includes a vaporizer configured to generate water vapor, a first heating part configured to heat a nitrogen gas to a first temperature, a second heating part configured to heat the nitrogen gas to a second temperature, wherein the second temperature is higher than the first temperature, and at least one cleaning chamber connected to the vaporizer, the first heating part, and the second heating part, wherein the at least one cleaning chamber is configured so that at least one substrate is exposed to the water vapor, the nitrogen gas having the first temperature, or the nitrogen gas having the second temperature under an atmospheric pressure.

Optical image capturing system, image capturing device and electronic device

An optical image capturing system comprising, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element and a seventh lens element. The first lens element with negative refractive power has a concave image-side surface. The second lens element, the third lens element and the fourth lens element have refractive power. The fifth lens element has refractive power. The sixth lens element with refractive power has an image-side surface being concave in a paraxial region and includes at least one convex shape in an off-axial region, wherein the surfaces thereof are aspheric. The seventh lens element refractive power has an image-side surface being concave in a paraxial region and includes at least one convex shape in an off-axial region, wherein the surfaces thereof are aspheric.

METHODS AND SYSTEMS FOR SEMICONDUCTOR SUBSTRATE PROCESSING
20230212740 · 2023-07-06 ·

The present disclosure relates to methods and apparatuses for depositing a conductive layer on another conductive layer of a substrate. The method comprises providing the substrate comprising the first conductive layer in a reaction chamber, providing a cleaning agent comprising a metal halide into the reaction chamber in a vapor phase to clean the substrate and providing a second material precursor into the reaction chamber in a vapor phase to deposit the second conductive layer on the first conductive layer. The disclosure further relates to a method of forming a semiconductor structure and to a semiconductor processing assembly.

SUBSTRATE CLEANING APPARATUS AND SUBSTRATE CLEANING METHOD
20220399210 · 2022-12-15 ·

A particle removed from a substrate is suppressed from adhering to the substrate again. A substrate cleaning apparatus includes a substrate holder configured to hold the substrate; a gas nozzle configured to jet a cleaning gas to the substrate on the substrate holder; and a nozzle cover provided to surround the gas nozzle. The cleaning gas is jetted to a decompression chamber of the nozzle cover from the gas nozzle, and a gas cluster configured to remove the particle on the substrate in the decompression chamber is generated. A gas for a gas curtain is jetted from an end portion of the nozzle cover toward the substrate, and the gas curtain is formed between the substrate and the end portion of the nozzle cover.

Wafer cleaning apparatus based on light irradiation and wafer cleaning system including the same

Provided are a wafer cleaning apparatus based on light irradiation capable of effectively cleaning residue on a wafer without damaging the wafer, and a wafer cleaning system including the cleaning apparatus. The wafer cleaning apparatus is configured to clean residue on the wafer by light irradiation and includes: a light irradiation unit configured to irradiate light onto the wafer during the light irradiation; a wafer processing unit configured accommodate the wafer and to control a position of the wafer such that the light is irradiated onto the wafer during the light irradiation; and a cooling unit configured to cool the wafer after the light irradiation has been completed. The light irradiation unit, the wafer processing unit, and the cooling unit are sequentially arranged in a vertical structure with the light irradiation unit above the wafer processing unit and the wafer processing unit above the cooling unit.

PROCESSING APPARATUS AND PROCESSING METHOD, AND GAS CLUSTER GENERATING APPARATUS AND GAS CLUSTER GENERATING METHOD
20220384152 · 2022-12-01 ·

A processing method includes: disposing a workpiece in a processing container of a processing apparatus, and maintaining an inside of the processing container in a vacuum state; providing a cluster nozzle in the processing container; supplying a cluster generating gas to the cluster nozzle and adiabatically expanding the cluster generating gas in the cluster nozzle, thereby generating gas clusters; generating plasma in the cluster nozzle to ionize the gas clusters and injecting the ionized gas clusters onto the workpiece; supplying a reactive gas to the cluster nozzle and exposing the reactive gas to the plasma such that the reactive gas becomes monomer ions or radicals; and supplying the monomer ions or radicals to the processing container, thereby exerting a chemical reaction on a substance present on a surface of the workpiece.

Fast response pedestal assembly for selective preclean

Implementations of the present disclosure generally relate to an improved substrate support pedestal assembly. In one implementation, the substrate support pedestal assembly includes a shaft. The substrate support pedestal assembly further includes a substrate support pedestal, mechanically coupled to the shaft. The substrate support pedestal comprises substrate support plate coated on a top surface with a ceramic material.

INTEGRATED EPITAXY AND PRECLEAN SYSTEM

Embodiments of the present disclosure generally relate to an integrated substrate processing system for cleaning a substrate surface and subsequently performing an epitaxial deposition process thereon. A processing system includes a film formation chamber, a transfer chamber coupled to the film formation chamber, and an oxide removal chamber coupled to the transfer chamber, the oxide removal chamber having a substrate support. The processing system includes a controller configured to introduce a process gas mixture into the oxide removal chamber, the process gas mixture including a fluorine-containing gas and a vapor including at least one of water, an alcohol, an organic acid, or combinations thereof. The controller is configured to expose a substrate positioned on the substrate support to the process gas mixture, thereby removing an oxide film from the substrate.

APPARATUS AND METHOD FOR REMOVAL OF OXIDE AND CARBON FROM SEMICONDUCTOR FILMS IN A SINGLE PROCESSING CHAMBER

A system and method for removing both carbon-based contaminants and oxygen-based contaminants from a semiconductor substrate within a single process chamber is disclosed. The invention may comprise utilization of remote plasma units and multiple gas sources to perform the process within the single process chamber.

ELECTROSTATIC SUBSTRATE CLEANING SYSTEM AND METHOD
20220359234 · 2022-11-10 ·

A substrate cleaning system include a chamber and a substrate stage positioned within the chamber. The substrate stage is configured to secure a substrate for cleaning with a cleaning head. The substrate cleaning system includes a robot configured to transfer the substrate between a storage receptable and the substrate stage. The cleaning head includes a disposable electrode ribbon loaded on a roller assembly. The disposable electrode ribbon includes a positive electrode and a negative electrode and is configured to electrostatically clean the substrate by electrostatically removing particles from the substrate. The roller assembly is configured to advance the disposable electrode ribbon following cleaning of the substrate.