H01J37/32844

OPTICAL SYSTEM FOR MONITORING PLASMA REACTIONS AND REACTORS
20230110414 · 2023-04-13 ·

The present invention provides a plasma generating system that includes: a waveguide; a plasma cavity coupled to the waveguide and configured to generate a plasma therewithin by use of microwave energy; a hollow cylinder protruding from a wall of the waveguide and having a bottom cap that has an aperture; a detection unit for receiving the light emitted by the plasma through the aperture and configured to measure intensities of the light in an ultraviolet (UV) range and an infrared (IR) range; and a controller for controlling the detection unit.

Optical system for monitoring plasma reactions and reactors

The present invention provides a plasma generating system that includes: a waveguide; a plasma cavity coupled to the waveguide and configured to generate a plasma therewithin by use of microwave energy; a hollow cylinder protruding from a wall of the waveguide and having a bottom cap that has an aperture; a detection unit for receiving the light emitted by the plasma through the aperture and configured to measure intensities of the light in an ultraviolet (UV) range and an infrared (IR) range; and a controller for controlling the detection unit.

Apparatus for trapping of reaction by-product having self regenerating function for used inner collecting tower

The present disclosure provides an apparatus for trapping of a reaction by-product having a self regenerating function for a used inner collecting tower, and an object of the present disclosure is to provide the reaction by-product trapping apparatus configured such that the trapping apparatus positioned between a process chamber and a vacuum pump or between the vacuum pump and a scrubber stops operating during a semiconductor manufacturing process when a trapping reaction of trapping a reaction by-product reaches a saturated state during a trapping operation, and the trapping apparatus removes the reaction by-product produced in an inner collecting tower through a heating reaction, such that the inner collecting tower is regenerated to enable an additional trapping reaction to be performed.

Plasma cleaning apparatus and semiconductor process equipment with the same

A plasma cleaning apparatus includes a metal chamber, a gate assembly, a dielectric, and a high voltage electrode. The metal chamber is connected to a vacuum tube connecting the process chamber and the vacuum pump, and is provided with a first opening. The gate assembly includes a gate support fixed to the metal chamber around the first opening and having a second opening, and a gate coupled to the gate support and having a first position closing the second opening and a second position opening the second opening switchable with each other. The dielectric is coupled to the outside of the gate support around the second opening, and the high voltage electrode is positioned on an outer surface of the dielectric.

PLASMA REACTOR FOR INDUCTIVELY COUPLED PLASMA AND METHOD OF ASSEMBLING THE SAME

A plasma reactor for inductively coupled plasma includes: a ferrite core assembly including a ferrite core stacked body including a plurality of ferrite cores stacked and a first passage portion and a second passage portion arranged in parallel, and a ferrite core accommodating structure; a first chamber body including a first base portion configured to provide a first internal space therein, a first A-extension pipe extending from the first base portion, communicating with the first internal space and accommodated in the first passage portion, and a second A-extension pipe extending from the first base portion; and a second chamber body including a second base portion configured to provide a second internal space therein, a first B-extension pipe extending from the second base portion, and a second B-extension pipe extending from the second base portion.

PLASMA GENERATING DEVICE

According to one embodiment of the present disclosure, there can be provided a plasma generating device for performing plasma discharge, the plasma generating device having multiple operation modes including a first mode and a second mode, and including: a first power supply capable of changing a frequency within a first frequency range; a second power supply capable of changing a frequency within a second frequency range that is at least partially different from the first frequency range; a dielectric tube; and an antenna module including a first unit coil wound around the dielectric tube at least one time, a second unit coil wound around the dielectric tube at least one time, and a first capacitor connected in series between the first unit coil and the second unit coil.

Methods and apparatus for passivating a target

Methods and apparatus for passivating a target are provided herein. For example, a method includes a) supplying an oxidizing gas into an inner volume of the process chamber; b) igniting the oxidizing gas to form a plasma and oxidize at least one of a target or target material deposited on a process kit disposed in the inner volume of the process chamber; and c) performing a cycle purge comprising: c1) providing air into the process chamber to react with the at least one of the target or target material deposited on the process kit; c2) maintaining a predetermined pressure for a predetermined time within the process chamber to generate a toxic by-product caused by the air reacting with the at least one of the target or target material deposited on the process kit; and c3) exhausting the process chamber to remove the toxic by-product.

Substrate processing apparatus and substrate detaching method
09831112 · 2017-11-28 · ·

A substrate processing apparatus includes an electrostatic chuck that includes a chuck electrode and electrostatically attracts a substrate; a direct voltage source that is connected to the chuck electrode and applies a voltage to the chuck electrode; and an evacuation unit that includes a rotor and discharges, via a heat transfer gas discharge pipe, a heat transfer gas supplied to a back surface of the substrate electrostatically-attracted by the electrostatic chuck. The evacuation unit is connected via a power supply line to the direct voltage source, generates regenerative power, and supplies the regenerative power to the direct voltage source.

Microwave chemical processing
09812295 · 2017-11-07 · ·

Methods and systems include supplying pulsed microwave radiation through a waveguide, where the microwave radiation propagates in a direction along the waveguide. A pressure within the waveguide is at least 0.1 atmosphere. A supply gas is provided at a first location along a length of the waveguide, a majority of the supply gas flowing in the direction of the microwave radiation propagation. A plasma is generated in the supply gas, and a process gas is added into the waveguide at a second location downstream from the first location. A majority of the process gas flows in the direction of the microwave propagation at a rate greater than 5 slm. An average energy of the plasma is controlled to convert the process gas into separated components, by controlling at least one of a pulsing frequency of the pulsed microwave radiation, and a duty cycle of the pulsed microwave radiation.

VAPOR PHASE GROWTH METHOD
20220056577 · 2022-02-24 ·

A vapor phase growth method of an embodiment is a vapor phase growth method using a vapor phase growth apparatus including a reactor, an exhaust pump, a pressure control valve, and an exhaust pipe. The vapor phase growth method includes: loading a first substrate into the reactor, heating the first substrate, supplying a process gas, and forming a silicon carbide film on a surface of the first substrate and depositing a by-product containing carbon in the first portion or the second portion by adjusting a pressure in the reactor by controlling the pressure control valve; unloading the first substrate from the reactor; removing the by-product by supplying a gas including a gas containing fluorine to the exhaust pipe by controlling a pressure in the exhaust pipe; and then loading a second substrate into the reactor to form a silicon carbide film on a surface of the second substrate.