Abstract: An apparatus and method to produce a waveform. The apparatus includes a first node, at least one switch that couples a second node to the first node, and responsive to the at least one switch being closed, a peak voltage is produced at the first node before a voltage at the first node drops by a voltage step. A power supply is coupled to the first node to produce, after the voltage step, a ramped voltage at the first node.

Abstract: Embodiments provided herein generally include apparatus, e.g., plasma processing systems and methods for the plasma processing of a substrate in a processing chamber. In some embodiments, aspects of the apparatus and methods are directed to improving process uniformity across the surface of the substrate, reducing defectivity on the surface of the substrate, or both. In some embodiments, the apparatus and methods provide for improved control over the uniformity of a plasma formed over the edge of a substrate and/or the distribution of ion energies at the surface of the substrate. The improved control over the plasma uniformity may be used in combination with substrate handling methods, e.g., de-chucking methods, to reduce particulate-related defectivity on the surface of the substrate. In some embodiments, the improved control over the plasma uniformity is used to preferentially clean accumulated processing byproducts from portions of the edge ring during an in-situ plasma chamber cleaning process.

Abstract: There is provided a substrate processing apparatus, comprising: a reaction tube in which a substrate is processed; and a plurality of electrodes including a plurality of first electrodes to which a predetermined potential is applied and at least one second electrode to which a reference potential is applied. The at least one second electrode is arranged to be sandwiched between two sets of two or more continuously arranged electrodes of the plurality of first electrodes.

Abstract: A method for cleaning debris and contamination from an etching apparatus is provided. The etching apparatus includes a process chamber, a source of radio frequency power, an electrostatic chuck within the process chamber, a chuck electrode, and a source of DC power connected to the chuck electrode. The method of cleaning includes placing a substrate on a surface of the electrostatic chuck, applying a plasma to the substrate, thereby creating a positively charged surface on the surface of the substrate, applying a negative voltage or a radio frequency pulse to the electrode chuck, thereby making debris particles and/or contaminants from the surface of the electrostatic chuck negatively charged and causing them to attach to the positively charged surface of the substrate, and removing the substrate from the etching apparatus thereby removing the debris particles and/or contaminants from the etching apparatus.

Abstract: A film forming method of forming a film on a substrate by using a film forming apparatus including a processing container, and a stage provided in an interior of the processing container to place the substrate thereon and in which aluminum is contained, includes: forming a film continuously on one substrate or on a plurality of substrates by supplying a gas for film formation to the interior of the processing container while heating the substrate placed on the stage; cleaning the interior of the processing container with a fluorine-containing gas in a state in which the substrate is unloaded from the processing container; and performing a post-process by generating plasma of an oxygen- and hydrogen-containing-gas in the interior of the processing container, wherein the forming the film, the cleaning the interior of the processing container, and the performing the post-process are repeatedly performed.

Abstract: A cold plasma system and method for treating a region of a biological surface is presented. In one embodiment, the system includes: a housing; an air conduit within the housing; a first electrode configured proximately along the air conduit; a second electrode configured proximately along the air conduit and opposite from the first electrode; and a source of alternating current (AC) electrically connected with the first electrode. The source of alternating current is configured to generate cold plasma in the air conduit.

Abstract: A technique of manufacturing a semiconductor device includes forming a film on a substrate in a process chamber by supplying a precursor and a reactant to the substrate under a first temperature at which the precursor and the reactant are not pyrolyzed, and purging, after performing the act of forming the film, an interior of the process chamber by supplying at least one selected from a group consisting of a plasma-excited gas, an alcohol, and a reducing agent into the process chamber under a second temperature equal to or lower than the first temperature.

Abstract: In some embodiments, a method for cleaning a processing chamber is provided. The method may be performed by introducing a processing gas into a processing chamber that has a by-product disposed along sidewalls of the processing chamber. A plasma is generated from the processing gas using a radio frequency signal. A lower electrode is connected to a first electric potential. Concurrently, a bias voltage having a second electric potential is applied to a sidewall electrode to induce ion bombardment of the by-product, in which the second electric potential has a larger magnitude than the first electric potential. The processing gas is evacuated from the processing chamber.

Abstract: Exemplary etching methods may include flowing an oxygen-containing precursor into a processing region of a semiconductor processing chamber. The methods may include contacting a substrate housed in the processing region with the oxygen-containing precursor. The substrate may include an exposed region of a transition metal nitride and an exposed region of a metal. The contacting may form an oxidized portion of the transition metal nitride and an oxidized portion of the metal. The methods may include forming a plasma of a fluorine-containing precursor and a hydrogen-containing precursor to produce fluorine-containing plasma effluents. The methods may include removing the oxidized portion of the transition metal nitride to expose a non-oxidized portion of the transition metal nitride. The methods may include forming a plasma of a chlorine-containing precursor to produce chlorine-containing plasma effluents. The methods may include removing the non-oxidized portion of the transition metal nitride.

Abstract: Provided is a vacuum processing method capable of preventing particles from adhering to a wafer due to a titanium (Ti)-based reaction product. The vacuum processing method is applicable to a plasma processing apparatus including: a sample stage disposed in a processing chamber inside a vacuum container, on which a wafer having a titanium (Ti)-containing film is placed; a coil supplied with a radio frequency power for forming plasma in the processing chamber; and a heating device that emits an electromagnetic wave for heating the wafer placed on an upper surface of the sample stage. The vacuum processing method includes a step of etching the titanium (Ti)-containing film, and a step of cleaning an inside of the processing chamber by using a mixed gas of nitrogen trifluoride (NF3) gas, argon gas, and a chlorine gas.

Abstract: Provided is a plasma processing apparatus capable of suppressing abnormal discharge. The plasma processing apparatus includes: an upper electrode and a lower electrode which are disposed inside a processing container so as to face each other inside the processing container; and a dielectric shower for gas introduction disposed below the upper electrode, wherein the plasma processing apparatus generates plasma in a space between the upper electrode and the lower electrode. The upper electrode includes: at least one slot configured to introduce VHF waves into the processing container; and a gas flow path provided independently of the at least one slot and in communication with the dielectric shower.

Abstract: A method of treating a product or surface with a reactive gas, comprises producing the reactive gas by forming a high-voltage cold plasma (HVCP) from a working gas; transporting the reactive gas at least 5 cm away from the HVCP; followed by contacting the product or surface with the reactive gas. The HVCP does not contact the product or surface.

Abstract: A bonding tool includes a gas supply line that may extend directly between valves associated with one or more gas supply tanks and a processing chamber such that gas supply line is uninterrupted without any intervening valves or other types of structures that might otherwise cause a pressure buildup in the gas supply line between the processing chamber and the valves associated with the one or more gas supply tanks. The pressure in the gas supply line may be maintained at or near the pressure in the processing chamber so that gas provided to the processing chamber through the gas supply line does not cause a pressure imbalance in the processing chamber, which might otherwise cause early or premature contact between semiconductor substrates that are to be bonded in the processing chamber.

Abstract: Described herein is a technique capable of improving a film thickness uniformity on a surface of a wafer whereon a film is formed. According to one aspect of the technique of the present disclosure, there is provided a substrate processing apparatus including: a process chamber in which a substrate is processed; a process gas nozzle configured to supply a process gas into the process chamber; an inert gas nozzle configured to supply an inert gas into the process chamber while a concentration of the process gas at the center of the substrate is higher than a concentration required for processing the substrate; and an exhaust pipe configured to exhaust an inner atmosphere of the process chamber; wherein the process gas nozzle and the inert gas nozzle are disposed beside the edge of substrate with a predetermined distance therebetween corresponding to an angle of circumference of 90 to 180 degrees.

Abstract: A method for treating a flexible plastic substrate is provided herein. The method includes establishing an atmospheric pressure plasma beam from an inert gas using a power of greater than about 90W, directing the plasma beam toward a surface of the flexible polymer substrate, and scanning the plasma beam across the surface of the polymer substrate to form a treated substrate surface.

Abstract: Embodiments of the present disclosure relate to apparatus, systems and methods for managing organic compounds in thermal processing chambers. A gas line can be in fluid communication with the thermal processing chamber and an exhaust pump can be coupled to the thermal processing chamber by an exhaust conduit and controlled by an effluent flow control valve. The apparatus includes a sampling line with an organic compound sensor coupled to the exhaust conduit. The organic compound sensor can be in communication with a control module which can control operating parameters for processing a substrate.

Abstract: A protective member forming apparatus includes an ultraviolet radiation applying table that supports a workpiece on a support surface of a support plate thereof through which ultraviolet rays are transmittable, a delivery unit that holds a resin sheet to which the workpiece is fixed, to unload the workpiece from the ultraviolet radiation applying table, a resin supply unit that supplies an ultraviolet-curable liquid resin to the resin sheet placed on the support surface, a pressing unit that presses the workpiece from a reverse side thereof toward the liquid resin supplied to the resin sheet placed on the support surface, and an ionizer unit that ejects ionized air to the support surface of the ultraviolet radiation applying table.

Abstract: A photolithography system utilizes tin droplets to generate extreme ultraviolet radiation for photolithography. The photolithography system irradiates the droplets with a laser. The droplets become a plasma and emit extreme ultraviolet radiation. The photolithography system senses contamination of a collector mirror by the tin droplets and adjusts the flow of a buffer fluid to reduce the contamination.

Abstract: A method of cleaning a surface of a substrate uses alcohol and water treatments. The method may include applying an alcohol treatment on a surface of the substrate with the alcohol treatment configured to provide surface reduction and applying a water treatment to the surface of the substrate with the water treatment configured to enhance selectivity of at least a portion of the surface for a subsequent barrier layer process by removing alcohol from the at least a portion of the surface. The water treatment may be performed simultaneously with the alcohol treatment or performed after the alcohol treatment. The water treatment may include vaporized water or water injected into a plasma to produce hydrogen or oxygen radicals.

Abstract: A plasma processing apparatus includes: a chamber accommodating a plurality of substrates; a plurality of substrate supports provided inside the chamber and configured to support a substrate; a plurality of radio-frequency power sources provided corresponding to the plurality of substrate supports, and configured to supply radio-frequency power to the plurality of substrate supports, respectively; and a plurality of shields configured to compart the inside of the chamber and provided corresponding to the plurality of substrate supports to define a processing space where plasma is generated. A radio-frequency current path is formed between the plurality of shields so as not to interfere with one another.

Abstract: The present invention provides a plasma processing method for subjecting a sample on which a metal element-containing film is disposed to plasma etching in a processing chamber. The method comprises: subjecting an inside of the processing chamber to plasma cleaning using a boron element-containing gas; removing the boron element using plasma after the plasma cleaning; subjecting the inside of the processing chamber to plasma cleaning using a fluorine element-containing gas after removing the boron element; depositing a deposited film in the processing chamber by plasma using a silicon element-containing gas after the plasma cleaning using the fluorine element-containing gas; and subjecting the sample to plasma etching after depositing the deposited film.

Abstract: Methods and systems for monitoring film thickness using a sensor assembly include a process chamber having a chamber body, a substrate support disposed in the chamber body, a lid disposed over the chamber body, and a sensor assembly coupled to the chamber body at a lower portion of the sensor assembly. The sensor assembly is coupled to the lid at an upper portion of the sensor assembly. The sensor assembly includes one or more apertures disposed through one or more sides of the sensor assembly, and the one or more sensors are disposed in the sensor assembly through the one or more of the apertures.

Abstract: A method of calibrating a thermal sensor device is provided. The method includes extracting an incremental voltage to temperature curve for a diode array from a first incremental voltage of the diode array at a first temperature. The diode array and a device under test (DUT) which includes a thermal sensor are heated. After heating the diode array, a first incremental temperature is determined from the incremental voltage to temperature curve for the diode array and a second incremental voltage of the diode array after heating the diode array. An incremental voltage to temperature curve is extracted for the DUT from the first incremental temperature, a first incremental voltage for the DUT at the first temperature, and a second incremental voltage of the DUT after heating the device under test. A temperature error for the thermal sensor is determined from the incremental voltage to temperature curve for the DUT.

Abstract: Exemplary methods of treating a chamber may include delivering a cleaning precursor to a remote plasma unit. The methods may include forming a plasma of the cleaning precursor. The methods may include delivering plasma effluents of the cleaning precursor to a processing region of a semiconductor processing chamber. The processing region may be defined by one or more chamber components. The one or more chamber components may include an oxide coating. The methods may include halting delivery of the plasma effluents. The methods may include treating the oxide coating with a hydrogen-containing material delivered to the processing region subsequent halting delivery of the plasma effluents.

Abstract: 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.

Abstract: A thin film formation apparatus includes a chamber, a platen disposed within the chamber, a heater configured to heat the platen within the chamber, a gas inlet communicating with an interior of the chamber and configured to supply a reducing gas and inert gas to the interior of the chamber, a target disposed within the chamber and spatially separated from the platen, and a microwave plasma source disposed adjacent to the target. The reducing gas includes at least one of hydrogen (H2) and deuterium (D2).

Abstract: Embodiments are disclosed for reducing substrate breaks which result from inadequate de-chucking. Contaminants are removed from the surface of a chuck by exposing the chuck to a plasma process that comprises a hydrogen (H)-containing plasma. The chuck is subjected to the hydrogen-based plasma when no substrate is on the chuck. In one embodiment, the plasma is a hydrocarbon-based plasma. Hydrogen in the hydrocarbon plasma may react with and remove the contaminants. The process may further include an additional plasma step for removal of any newly formed materials that may result from the hydrocarbon plasma. The removal step may be, for example, a subsequent plasma ash step. In one embodiment, the chuck is an electrostatic chuck and the contaminants comprise fluorine. By removing contaminants from the chuck surface, improved substrate de-chucking occurs. This improvement correspondingly leads to less substrate breakage when removing substrates from the chuck.

Abstract: Processes for surface treatment of a workpiece are provided. In one example implementation, a method can include conducting a pre-treatment process on a processing chamber to generate a hydrogen radical affecting layer on a surface of the processing chamber prior to performing a hydrogen radical based surface treatment process on a workpiece in the processing chamber. In this manner, a pretreatment process can be conducted to condition a processing chamber to increase uniformity of hydrogen radical exposure to a workpiece.

Abstract: A cleaning method removes a silicon oxide film by plasma from a member that is provided in a processing container of a plasma processing apparatus and having the silicon oxide film formed on its surface. The cleaning method includes: supplying a processing gas into the processing container; generating plasma of the processing gas that is supplied into the processing container; and applying bias power that draws ions in the plasma of the processing gas to the member. A ratio of a value of the bias power to a pressure in the processing container is 1.0 W/mTorr or less.

Abstract: Exemplary semiconductor processing methods to clean a substrate processing chamber are described. The methods may include depositing a dielectric film on a first substrate in a substrate processing chamber, where the dielectric film may include a silicon-carbon-oxide. The first substrate having the dielectric film may be removed from the substrate processing chamber, and the dielectric film may be deposited on at least one more substrate in the substrate processing chamber. The at least one more substrate may be removed from the substrate processing chamber after the dielectric film is deposited on the substrate. Etch plasma effluents may flow into the substrate processing chamber after the removal of a last substrate having the dielectric film. The etch plasma effluents may include greater than or about 500 sccm of NF3 plasma effluents, and greater than or about 1000 sccm of O2 plasma effluents.

Abstract: A plasma generator, a cleaning liquid processing apparatus including the same, a semiconductor cleaning apparatus, and a cleaning liquid processing method are provided. The cleaning liquid processing apparatus comprising a bubble formation section configured to lower a pressure of a mixed liquid obtained by mixing a liquid and a gas to form bubbles in the mixed liquid, a plasma generator connected to the bubble formation section and configured to apply a voltage to the mixed liquid to form plasma in the bubbles formed in the mixed liquid, a mixing section connected to the plasma generator and configured to dissolve radicals included in the plasma into the mixed liquid, and a discharge nozzle connected to the mixing section and configured to discharge the mixed liquid to a wafer.

Abstract: A cleaning method for a by-product including a refractory material or a metal compound includes a reforming process and an etching process. In the reforming process, a surface of the by-product is reformed using nitrogen-containing gas and hydrogen-containing gas. In the etching process, the reformed surface is etched using halogen-containing gas and inert gas.

Abstract: A method for removing etchant byproduct from an etch reactor and discharging a substrate from an electrostatic chuck of the etch reactor is provided. A substrate may be electrostatically secured to an electrostatic chuck within a chamber of an etch reactor. A first plasma may be provided into the chamber to etch the substrate, causing an etchant byproduct to be generated. After the etching is complete, a second plasma may be provided into the chamber, wherein the second plasma is an oxygen containing plasma. The etchant byproduct may be removed and the first substrate may be discharged using the second plasma. The first substrate may be removed from the chamber and a second substrate may be inserted into the chamber without first performing an in-situ cleaning between the removal of the first substrate and the insertion of the second substrate.

Abstract: The present disclosure relates to a rapid thermal processing apparatus for rapid heat treatment of a substrate, and particularly, to increasing the accuracy in measuring the temperature of a substrate to be thermally processed by configuring a thermocouple for measuring the temperature of the substrate under the same conditions as the substrate to be thermally processed so as to be attached to and detached from the chamber, and the present disclosure provides a rapid thermal processing apparatus having a thermocouple installed to measure a temperature of a substrate to be thermally processed located inside a chamber, and the rapid thermal processing apparatus includes a mounting hole formed in the chamber, and a thermocouple kit inserted into and mounted to the mounting hole so that a bonding portion of a thermocouple wire is located at a thermocouple substrate extending into the chamber.

Abstract: A system and method for generating a force from a voltage difference applied across at least one electrically conductive surface. The applied voltage difference creates an electric field resulting in an electrostatic pressure force acting on at least one surface of an object. Asymmetries in the resulting electrostatic pressure force vectors result in a net resulting electrostatic pressure force acting on the object. The magnitude of the net resulting electrostatic pressure force is a function of the geometry of the electrically conductive surfaces, the applied voltage, and the dielectric constant of any material present in the gap between electrodes. The invention may be produced on a nanoscale using nanostructures such as carbon nanotubes. The invention may be utilized to provide a motivating force to an object. A non-limiting use case example is the use of electrostatic pressure force apparatus as a thruster to propel a spacecraft through a vacuum.

Abstract: An etching method includes: preparing a compound in a processing space in which an etching target is accommodated; and etching the etching target with a mask film formed thereon, under an environment where the compound exists. The etching of the etching target includes etching the etching target under an environment where hydrogen (H) and fluorine (F) exist when the etching target contains silicon nitride (SiN), and etching the etching target under an environment where nitrogen (N), hydrogen (H), and fluorine (F) exist when the etching target contains silicon (Si). The compound includes at least one halogen element selected from a group consisting of carbon (C), chlorine (Cl), bromine (Br), and iodine (I).

Abstract: A method for cleaning a microwave plasma processing apparatus which has a processing container and a microwave radiation part, and which has a window part provided at a position where the microwave radiation part is disposed in the processing container, includes a cleaning step of adjusting a pressure to a pressure corresponding to a size of a cleaning target part, among parts within the processing container including a wall surface of the processing container, the microwave radiation part, and the window part, while supplying a cleaning gas, and performing a cleaning process using plasma of the cleaning gas.

Abstract: Etching a refractory metal or other high surface binding energy material on a substrate can maintain or increase the smoothness of the metal/high EO surface, in some cases produce extreme smoothing. A substrate having an exposed refractory metal/high EO surface is provided. The refractory metal/high EO surface is exposed to a modification gas to modify the surface and form a modified refractory metal/high EO surface. The modified refractory metal/high EO surface is exposed to an energetic particle to preferentially remove the modified refractory metal/high EO surface relative to an underlying unmodified refractory metal/high EO surface such that the exposed refractory metal/high EO surface after removing the modified refractory metal/high EO surface is as smooth or smoother than the substrate surface before exposing the substrate surface to the modification gas.

Abstract: A method of calibrating a thermal sensor device is provided. The method includes extracting an incremental voltage to temperature curve for a diode array from a first incremental voltage of the diode array at a first temperature. The diode array and a device under test (DUT) which includes a thermal sensor are heated. After heating the diode array, a first incremental temperature is determined from the incremental voltage to temperature curve for the diode array and a second incremental voltage of the diode array after heating the diode array. An incremental voltage to temperature curve is extracted for the DUT from the first incremental temperature, a first incremental voltage for the DUT at the first temperature, and a second incremental voltage of the DUT after heating the device under test. A temperature error for the thermal sensor is determined from the incremental voltage to temperature curve for the DUT.

Abstract: A method of cleaning a surface of a substrate uses alcohol and water treatments. The method may include applying an alcohol treatment on a surface of the substrate with the alcohol treatment configured to provide surface reduction and applying a water treatment to the surface of the substrate with the water treatment configured to enhance selectivity of at least a portion of the surface for a subsequent barrier layer process by removing alcohol from the at least a portion of the surface. The water treatment may be performed simultaneously with the alcohol treatment or performed after the alcohol treatment. The water treatment may include vaporized water or water injected into a plasma to produce hydrogen or oxygen radicals.

Abstract: The present disclosure relates to an apparatus and method for cleaning a chamber, and more particularly, to an apparatus and method for cleaning a chamber, which are capable of cleaning the chamber which is contaminated while depositing a thin film on a substrate. The chamber cleaning method in accordance with an exemplary embodiment is a method for cleaning a chamber configured to deposit a zinc oxide, the method comprising: supplying a chlorine (Cl)-containing gas and a hydrogen (H)-containing gas into a chamber; activating and reacting the separately supplied gases with each other inside the chamber to generate a reaction gas; and firstly cleaning the chamber with the reaction gas.

Abstract: Exemplary methods of semiconductor processing may include forming a plasma of a fluorine-containing precursor. The methods may include performing a chamber clean in a processing region of a semiconductor processing chamber. The processing region may be at least partially defined between a faceplate and a substrate support. The methods may include generating aluminum fluoride during the chamber clean. The methods may include contacting surfaces within the processing region with a carbon-containing precursor. The methods may include volatilizing aluminum fluoride from the surfaces of the processing region.

Abstract: Methods for material removal of a film, such as a metal nitride film, from a workpiece are provided. One example implementation is directed to a method for processing a workpiece. The workpiece can include a film (e.g., a metal nitride film). The method can include generating one or more species (e.g., hydrogen radicals, excited inert gas molecules, etc.). The method can include mixing alkyl halide with the one or more species to generate one or more alkyl radicals. The method can include exposing the film to the one or more alkyl radicals.

Abstract: There is provided a technique, which includes: a reaction tube configured to form a process chamber in which a substrate is processed; an electrode fixing jig installed outside the reaction tube and configured to fix at least two electrodes for forming plasma in the process chamber; and a heating device installed outside the electrode fixing jig and configured to heat the reaction tube, wherein the at least two electrodes include at least one electrode to which a predetermined potential is applied and at least one electrode to which a reference potential is applied, and wherein a surface area of the at least one electrode to which the predetermined potential is applied is two times or more than a surface area of the at least one electrode to which the reference potential is applied.

Abstract: A method of depositing tungsten over a substrate includes disposing the substrate into a vacuum enclosure of a tungsten deposition apparatus, performing a first tungsten deposition process that deposits a first tungsten layer over a physically exposed surface of the substrate by flowing a fluorine-containing tungsten precursor gas into the vacuum enclosure, performing an in-situ oxidation process by exposing the first tungsten layer to an oxidation agent gas while the substrate remains within the vacuum enclosure without breaking vacuum and forming a tungsten oxyfluoride gas which is pumped out of the vacuum enclosure, and performing a second tungsten deposition process that deposits a second tungsten layer on the first tungsten layer by flowing the fluorine-containing tungsten precursor gas into the vacuum enclosure in a second tungsten deposition process after the in-situ oxidation process.

Abstract: Methods and apparatus for plasma processing are provided herein. For example, apparatus can include a system for plasma processing including a remote plasma source including a supply terminal configured to connect to a power source and an output configured to deliver RF power to a plasma block of the remote plasma source for creating a plasma and a controller configured to control operation of the remote plasma source based on a measured input power at the supply terminal.

Abstract: Provided are an optical device capable of effectively preventing contamination and a method for preventing contamination of the same. An optical device according to an embodiment includes a light source that generates light containing EUV (Extreme UltraViolet) light or VUV (Vacuum UltraViolet) light, a chamber in which an object to be irradiated with the light is placed, an optical element placed inside the chamber to guide the light, an introduction unit that introduces hydrogen or helium into the chamber, a power supply that applies a negative voltage to the optical element in the chamber, an ammeter that measures an ion current flowing through the optical element, and a control unit that adjusts the amount of the hydrogen or the helium introduced according to a measurement result of the ammeter.

Abstract: A technique improves selectivity in etching of a silicon-containing film over etching of a mask in plasma etching. A substrate processing method includes placing a substrate in a chamber in a plasma processing apparatus. The substrate includes a silicon-containing film and a mask on the silicon-containing film. The substrate processing method further includes generating plasma from a first process gas containing a hydrogen fluoride gas in the chamber. The generating plasma includes etching the silicon-containing film with a chemical species contained in the plasma. A flow rate of the hydrogen fluoride gas is at least 80 vol % of a total flow rate of non-inert components of the first process gas.

Abstract: A method for manufacturing a battery cell (1) and a battery cell (1) comprises providing a battery housing (3) and introducing electrodes (5) and an electrolyte (9) into the battery housing (3). At least partial regions (23) of a surface, in particular an outer surface, of the battery housing (3) are coated with a diffusion barrier layer (25) made of a polymer material (27) and then the polymer material (27) of the diffusion barrier layer (25) is oxidized at least on the surface to form an oxide layer (29). The polymer material (27) may be in particular silicone so that the oxide layer (29) consists of silicon dioxide. An oxide layer (29) thus generated increases a barrier effect of the diffusion barrier layer (25) considerably and may be generated using technically simple means, such as for example an atmospheric pressure plasma.

Abstract: A magnetron drive mechanism is provided. The magnetron drive mechanism includes: a driving assembly, a rotating assembly, a transmission assembly, and a limiting assembly. The driving assembly is configured to drive the rotating assembly and the transmission assembly to rotate clockwise or counterclockwise around a first rotation axis. The rotating assembly is connected to a magnetron, and through the transmission assembly, the driving assembly drives the rotating assembly and the magnetron to rotate clockwise or counterclockwise around a second rotation axis. The second rotation axis and the first rotation axis are parallel with each other. The limiting assembly is configured to block the rotating assembly from rotating clockwise or counterclockwise, respectively, to confine the magnetron to positions at different radii of the first rotation axis. The present disclosure also provides a magnetron assembly and a reaction chamber.