H05H1/24

Rotating lamp for laser-sustained plasma illumination source

A broadband light source is disclosed. The broadband light source includes a rotatable gas containment structure. The broadband light source includes a rotational drive system configured to rotate the rotatable gas containment structure about the horizontal axis of rotation of the rotatable gas containment structure. The broadband light source includes a pump source configured to generate pump illumination and a reflector element configured to direct a portion of the pump illumination into the gas to sustain a plasma. The reflector is configured to collect a portion of broadband light emitted from the plasma.

PLASMA HEATING DEVICE
20230056960 · 2023-02-23 · ·

A plasma heating device efficiently generates a high temperature. A tubular conductor has a cylindrical inner surface covered with a negatively charged insulating film. A tubular anode is supported inside the conductor with insulating material. An incident pipe, with an inner surface covered with insulating film, is negatively charged and extends tangentially on the conductor and has an incident port at one end and the other end communicating with the inside of the conductor. Hydrogen gas is supplied inside the conductor through a pipe and anode. A vacuum chamber connects to a pump, the inside thereof communicates with the incident pipe. An electron gun produces an electron beam from the incident port through inside the vacuum chamber into the conductor wherein the electron beam is reflected by the negatively charged conductor and the gas in the conductor plasmalizes. A cooler surrounds the conductor and has a water flow path therein.

PLASMA HEATING DEVICE
20230056960 · 2023-02-23 · ·

A plasma heating device efficiently generates a high temperature. A tubular conductor has a cylindrical inner surface covered with a negatively charged insulating film. A tubular anode is supported inside the conductor with insulating material. An incident pipe, with an inner surface covered with insulating film, is negatively charged and extends tangentially on the conductor and has an incident port at one end and the other end communicating with the inside of the conductor. Hydrogen gas is supplied inside the conductor through a pipe and anode. A vacuum chamber connects to a pump, the inside thereof communicates with the incident pipe. An electron gun produces an electron beam from the incident port through inside the vacuum chamber into the conductor wherein the electron beam is reflected by the negatively charged conductor and the gas in the conductor plasmalizes. A cooler surrounds the conductor and has a water flow path therein.

METHOD AND APPARATUS FOR IMPEDANCE MATCHING IN A POWER DELIVERY SYSTEM FOR REMOTE PLASMA GENERATION

A plasma-generation system is provided that includes a variable-frequency microwave generator configured to generate microwave power and a plasma applicator configured to use the microwave power from the microwave generator to (i) ignite a process gas therein for initiating a plasma in a plasma ignition process and (ii) maintain the plasma in a steady state process. The system also includes a coarse tuner connected between the microwave generator and the plasma applicator. At least one physical parameter of the coarse tuner is adapted to be set to achieve coarse impedance matching between the microwave generator and the plasma generated during both the plasma ignition process and the steady state process. A load impedance of the plasma generated during the plasma ignition process and the steady state process is adapted to vary. The microwave generator is configured to tune an operating frequency at the set physical parameter of the coarse tuner.

DENTAL DISEASE TREATING DEVICE AND METHOD FOR TREATING DENTAL DISEASE
20230056196 · 2023-02-23 · ·

Disclosed are a dental disease treating device, and more particularly, to a dental disease treating device that may generate high-density plasma that is required for a treatment of a dental disease, such as periodontitis, and minimize generation of ozone as well, and a method for treating a dental disease. The dental disease treating device that generates plasma for treating a dental disease, includes a handpiece body having a space part in an interior thereof, a plasma generating part mounted in the space part of the handpiece body, and that generates the plasma by exciting a gas in a plasma generating space in an interior thereof, and a tip part detachably coupled to an end nozzle of the handpiece body or the plasma generating part, and the tip part includes a passage for irradiating the plasma to a local portion while inhibiting oxygen from being introduced into the plasma generating space.

Flat flexible coating arrangement

The invention relates to a flat flexible coating arrangement comprising a coating surface (9) for placing on a body region of a living being and at least one electrode (3, 3′) arranged above the coating surface (9), and a dielectric (1) containing the at least one electrode (3, 3′), the at least one electrode (3, 3′) comprising a supply line for an AC high voltage in order to form a dielectrically impeded plasma. Said arrangement enables fusion processes over the course of the plasma treatment and optionally wound healing without removing the coating arrangement from the body region by means of at least one built-in sensor (14) for determining at least one parameter of the body region.

WIND TURBINE CONTROL DEVICE, WIND TURBINE CONTROL PROGRAM, AND WIND TURBINE CONTROL METHOD

A wind turbine control device acquires operation history data at the time of plasma generation indicating an operation history of a first wind turbine when a plasma has been generated by plasma electrodes installed on a blade and operation history data at the time of stopping plasma generation indicating an operation history of the first wind turbine when no plasma has been generated by the plasma electrodes, executes an operation history comparison process of comparing the operation history data at the time of plasma generation with the operation history data at the time of stopping plasma generation, executes an operation history determination process of determining whether or not a result of the operation history comparison process satisfies a prescribed first condition, and controls at least one of the plasma electrodes and at least one of the first wind turbine and a second wind turbine different from the first wind turbine on the basis of a result of the operation history determination process.

Plasma Engine using Reactive Species

A plasma engine includes a plasma source that generates ions from molecular gas species received at a gas input where at least some of the ions generated are atomic species ions. An ion extractor is configured to extract ions from the plasma source with an electric field. A housing comprising a recombination region receives ions extracted from the ion extractor. At least some of the atomic species ions recombine into molecular species in the housing, thereby releasing energy for thrust.

Skin treatment apparatus using fractional plasma
11491340 · 2022-11-08 · ·

The present invention relates to a skin treatment apparatus using fractional plasma, in which a plasma generator includes an electrode plate, a dielectric body, a pin holder, a plurality of pins, and a gap maintaining part and further includes a lower support which includes a pin cover, vents, and an auxiliary gap maintaining part. According to the present invention, the plurality of pins are configured as independent electrodes to prevent concentration of plasma, ends of the plurality of pins are pointed to more smoothly generate plasma, the distances between the plurality of pins may be more reliably maintained using the pin cover, plasma generated by the plurality of pins may be evenly emitted onto the skin via the pin cover and vents without being concentrated on a curved region of the skin, and the auxiliary gap maintaining part moves in a vertical direction of the gap maintaining part to adjust a distance between the plurality of pins and the skin.

Plasma treatment method for coating a glass syringe body for a hypodermic pre-filled glass syringe

Method for coating a glass syringe body for a hypodermic pre-filled glass syringe, wherein at least one emulsion and/or one solution containing at least one layer-forming substance is applied to at least one inner surface of the hypodermic pre-filled glass syringe, which defines an axial direction, wherein at least a partial surface of the inner surface in a syringe cone of the pre-filled glass syringe is subsequently exposed to a plasma, wherein a negative pressure source is arranged in relation to the syringe cone in the axial direction opposite the atmospheric-pressure plasma source, wherein a negative pressure of less than atmospheric pressure is provided by means of the negative pressure source.