Patent classifications
H05H1/24
COMPOSITE OPTICAL FIBRE BASED PLASMA GENERATION DEVICE
A device for generating a plasma and detecting a light signal. The plasma being intended to be generated in the vicinity of a study area of a sample and the light signal originating in the study area. The device including a current generator, an analysis unit, and an electrical and optical waveguide including means for transmitting an electric current configured to generate a plasma at one end of the means for transmitting the electric current in the vicinity of the study zone, means for detecting and transmitting configured to detect and transmit the light signal from the study area to the analysis unit, and an optical cladding portion, the means for transmitting the electric current and the means for detecting and transmitting the light signal being accommodated in the optical cladding portion.
COMPOSITE OPTICAL FIBRE BASED PLASMA GENERATION DEVICE
A device for generating a plasma and detecting a light signal. The plasma being intended to be generated in the vicinity of a study area of a sample and the light signal originating in the study area. The device including a current generator, an analysis unit, and an electrical and optical waveguide including means for transmitting an electric current configured to generate a plasma at one end of the means for transmitting the electric current in the vicinity of the study zone, means for detecting and transmitting configured to detect and transmit the light signal from the study area to the analysis unit, and an optical cladding portion, the means for transmitting the electric current and the means for detecting and transmitting the light signal being accommodated in the optical cladding portion.
DIELECTRIC BARRIER PLASMA GENERATOR AND PLASMA DISCHARGE STARTING METHOD FOR DIELECTRIC BARRIER PLASMA GENERATOR
A dielectric barrier plasma generator includes: a dielectric substrate, a high-voltage electrode provided on a first surface of the dielectric substrate, a low-voltage electrode provided to face a second surface of the dielectric substrate, a power introduction section provided at a first end of the high-voltage electrode, a gas channel formed from a first end to a second end thereof between the dielectric substrate and the low-voltage electrode to allow gas to flow from the first end of the gas channel to the second end thereof, and a blowout outlet formed at the second end of the gas channel to blow out the gas that has flown through the gas channel and plasma that has been generated in the gas channel. The dielectric substrate includes a portion having a thickness being thinner when being closer to the blowout outlet.
Three-Dimensional Printer Head Including a Dielectric Barrier Discharge (DBD) Disk and a Transformer Assembly
A printer head for a three-dimensional printer includes a dielectric barrier discharge (DBD) disk configured to generate a plasma, where the DBD disk requires a high voltage alternating current (AC) voltage signal to generate the plasma. The printer head also includes a transformer assembly including a transformer and a housing that contains the transformer. The transformer is configured to transform an incoming AC voltage signal into the high voltage AC signal for the DBD disk. The printer head also includes an electrical wire that electrically connects the transformer to the DBD disk. The printer head also includes a wire guide defining a passageway, where a portion of the electrical wire is received by the passageway in the wire guide. The passageway of the wire guide is shaped to direct the electrical wire towards the DBD disk.
METHODS AND APPARATUS FOR DECOMPOSING CONSTITUENT ELEMENTS OF FLUIDS
Some embodiments are directed to a decomposing and collection apparatus for use with a fluid. The apparatus includes an assembly for generating ions via applying atmospheric pressure, low temperature plasma to the fluid and separating the generated ions. The assembly includes multiple plasma generator and separator units that are vertically stacked relative to each other. Each of the multiple plasma generator and separator units includes a plasma generator for generating the generating atmospheric pressure, low temperature plasma, and a separator disposed to receive the positively and negatively ions ejected from the plasma generator and configured to redirect the received positively charged ions in one direction and the received negatively charged ions are redirected to another direction different from the one direction. The apparatus also includes a collector configured to collect at least one of the redirected positively charged ions and the negatively charged ions.
Electrode array for a dielectrically impeded plasma treatment
The invention relates to an electrode array for a dielectrically impeded plasma treatment of a surface of a body, comprising at least one flexible flat electrode (1) and one dielectric (2) consisting of a flat flexible first material which protects the electrode (1) from the surface to be treated, with a layer (3) impeding a direct current flow. The dielectric (2) can lie on the surface to be treated, above a structure (4) with projections (7), air spaces (5) being formed between the projections (7) for the creation of the plasma, which have a side open towards the surface to be treated, and a bottom-side closure as a result of the layer (3) impeding the direct current flow. The structure (4) comprises a plurality of spacer elements (6) consisting of a second material that has less flexibility than the first material, and the projections (7) of the structure (4) are partially or completely formed by the spacer elements (6).
Airflow generation device and manufacturing method for same
An airflow generation device having a first dielectric substrate made from a rubber elastic material, a first electrode on or near by a first surface of the first dielectric substrate, a second electrode on a second surface, and a second dielectric substrate made from a rubber elastic material covering the second electrode. It makes the airflows generated by plasma caused from partial gas near by the first surface through applied voltage into the first electrode and the second electrode, and bonding portions between the first electrode and the second electrode and the first dielectric substrate, bonding portions between the second electrode and the second dielectric substrate, and bonding portions between the first dielectric substrate and the second dielectric substrate are bonded by chemical bonds with chemically crosslinking.
Plasma Burst Application System and Method
The present disclosure concerns a method and plasma burst application system for applying a plasma burst to a target object at a target location, the system comprising a terawatt femtosecond pulsed laser for emitting femtosecond laser pulses; a distance obtaining unit configured to obtain a target distance to the target location; and one or more controllers configured to receive the obtained target distance; set one or more laser control parameters of the terawatt femtosecond pulsed laser according to the obtained target distance such that, when a laser pulse is emitted by the terawatt femtosecond pulsed laser, the laser pulse collapses at a selected laser pulse propagation distance substantially equal to the obtained target distance, and control the emission of at least one laser pulse towards the target location such that the laser pulse collapses at substantially the target location in order to apply the plasma burst at the target location.
Plasma Burst Application System and Method
The present disclosure concerns a method and plasma burst application system for applying a plasma burst to a target object at a target location, the system comprising a terawatt femtosecond pulsed laser for emitting femtosecond laser pulses; a distance obtaining unit configured to obtain a target distance to the target location; and one or more controllers configured to receive the obtained target distance; set one or more laser control parameters of the terawatt femtosecond pulsed laser according to the obtained target distance such that, when a laser pulse is emitted by the terawatt femtosecond pulsed laser, the laser pulse collapses at a selected laser pulse propagation distance substantially equal to the obtained target distance, and control the emission of at least one laser pulse towards the target location such that the laser pulse collapses at substantially the target location in order to apply the plasma burst at the target location.
CONVERTIBLE PLASMA SOURCE AND METHOD
A plasma source comprising a first hollow electrode and a second hollow electrode separated by a gap and a dielectric barrier of a constant width; wherein the plasma source is configured to selectively produce a plasma in either one of a first configuration and a second configuration; wherein, i) in the first configuration, a plasma-forming gas flows in the gap while a non plasma-forming gas flows within the first hollow electrode; and ii) in the second configuration, a plasma-forming gas flows within the first hollow electrode and a non plasma-forming gas flows within the gap. The method comprises selecting at least two gases of different breakdown voltages, injecting a first gas in a first electrode separated from a second hollow electrode by a gas gap of a constant width, injecting a second gas in the gas gap under an applied power.