H01J37/3222

Plasma processing apparatus

A plasma processing apparatus includes a microwave output unit, a wave guide tube, a tuner, a demodulation unit, and a calculation unit. The microwave output unit outputs a microwave having power corresponding to setting power while frequency-modulating the microwave in a setting frequency range. The wave guide tube guides the microwave to an antenna of a chamber main body. The tuner is provided in the wave guide tube and adjusts a position of a movable plate. The demodulation unit is provided in the wave guide tube, and acquires travelling wave power and reflected wave power for each frequency. The calculation unit calculates a frequency at which a reflection coefficient, which is calculated on the basis of the travelling wave power and the reflected wave power, for each frequency becomes a minimum point as an absorption frequency.

PLASMA PROCESSING APPARATUS
20230238217 · 2023-07-27 ·

A plasma processing apparatus includes: a processing container; a ceiling plate that constitutes a ceiling wall of the processing container, is formed of a first dielectric, and has an opening formed in the first dielectric; at least one transmissive window disposed in the opening and formed of a second dielectric having a second permittivity greater than a first permittivity of the first dielectric; and at least one electromagnetic wave supplier configured to supply electromagnetic waves toward the at least one transmissive window.

Ultra-localized and plasma uniformity control in a plasma processing system

Described herein are architectures, platforms and methods for providing localized high density plasma sources igniting local gasses during a wafer fabrication process to provide global uniformity. Such plasma sources are resonant structures operating at radio frequencies at or higher than microwave values.

DIAGNOSTIC METHOD AND APPARATUS FOR NON-INVASIVE PLASMA PROCESS

Proposed are non-invasive diagnostic method and apparatus for plasma processes in which plasma processes can be monitored in real time by measuring a surface wave resonance frequency generated in plasma or a sheath on the basis of a surface wave resonance principle. The diagnostic method may include a step (S10) of installing at least one probe on one side of an electrostatic chuck (ESC) or on an inner wall of a chamber, a step (S20) of emitting a high frequency onto the plasma or the sheath by the probe, and a step (S30) of detecting a frequency reflected from the plasma or the sheath by the probe. In addition, the diagnostic method may include the step (S40) of extracting a reflection spectrum, a step (S50) of extracting the surface wave resonance frequency, and a step (S60) of extracting electron density or uniformity of the plasma.

APPARATUS FOR TREATING SUBSTRATE AND METHOD FOR TREATING SUBSTRATE
20220384153 · 2022-12-01 · ·

The inventive concept provides a substrate treating apparatus. The substrate treating apparatus includes a chamber having an inner space; a plasma source configured to apply an electric field; a first gas supply unit configured to supply a first process gas to a region to which the plasma source applies the electric field, the first process gas excited to a plasma when the first process gas is applied with an electric field of a first intensity at a first pressure atmosphere; a support unit disposed in the inner space and configured to support a substrate to be treated; and an electrodeless lamp disposed above the substrate in the inner space, and wherein the electrodeless lamp includes an electric field transmissive housing having a discharging space therein; and a discharging material including a luminous material and filling the discharging space, the discharging space of the housing being pressurized to a second pressure, and the discharging material discharging and luminating when applied with an electric field of a second intensity higher than the first intensity at a second pressure.

SUBSTRATE PROCESSING APPARATUS AND METHOD
20220359170 · 2022-11-10 · ·

A substrate processing apparatus (100), comprising a reaction chamber (50), an outer chamber (80) at least partly surrounding the reaction chamber (50) and forming an intermediate volume (70) therebetween, and a substrate support (40) within the reaction chamber (50), comprising a hollow inner volume (42), wherein the hollow inner volume (42) and the intermediate volume (70) are in fluid communication through a channel (45) extending from the hollow inner volume (42) to the intermediate volume (70).

MICROWAVE RESONATOR ARRAY FOR PLASMA DIAGNOSTICS
20230044262 · 2023-02-09 ·

Embodiments disclosed herein include sensor devices and methods of using the sensor devices. In an embodiment, a sensor device comprises a substrate, a support extending up from the substrate, and a resonator mechanically coupled to the support. In an embodiment, the sensor device further comprises an antenna that is configured to electromagnetically couple with the resonator, wherein the antenna is connected to a transmission line in the substrate.

APPARATUS FOR TREATING SUBSTRATE AND METHOD FOR TREATING SUBSTRATE
20230081182 · 2023-03-16 · ·

The inventive concept provides a substrate treating apparatus. In an embodiment the substrate treating apparatus includes a process chamber having a treating space therein for treating a substrate; a substrate support unit configured to support the substrate in the treating space; and a microwave application unit configured to apply a microwave to the treating space, and wherein the microwave application unit comprises a microwave power generator based on a solid state device.

Apparatus and method for patterned processing

An apparatus for patterned processing includes a source of input gas, a source of energy suitable for generating a plasma from the input gas in a plasma region and a grounded sample holder configured for receiving a solid sample. The apparatus includes a mask arranged between the plasma region and the grounded sample holder, the mask having a first face oriented toward the plasma region and a second face oriented toward a surface of the solid sample to be processed, the mask including a mask opening extending from the first face to the second face, and an electrical power supply adapted for applying a direct-current bias voltage to the mask, and the mask opening being dimensioned and shaped so as to generate spatially selective patterned processing on the surface of the solid sample.

Array antenna and plasma processing apparatus

An array antenna radiates an electromagnetic wave into a chamber of a plasma processing apparatus. The array antenna includes antennas and coupling prevention elements arranged at intervals between the antennas. Each of the coupling prevention elements includes a first member connected to a ceiling wall which is a ground surface in the chamber and a second member connected to a tip end of the first member or a vicinity of the tip end of the first member.