The dielectric barrier discharge plasma generator includes: a dielectric substrate that exhibits a plate shape extending in a first direction and has a first surface and a second surface located on an opposite side of the first surface in a second direction orthogonal to the first direction; a first electrode disposed on the dielectric substrate on a side of the first surface; a second electrode disposed at a position separated from the second surface of the dielectric substrate in the second direction; a gas flow path that is formed by a gap between the dielectric substrate and the second electrode and through which a gas flows in a third direction orthogonal to the first direction and the second direction; and an outlet provided at a first end which is one end portion of the gas flow path in the third direction.

An apparatus is provided for treating a liquid with a plasma. The apparatus includes one or two dielectric barriers, and the dielectric barrier(s) and high voltage electrode define a discharge zone therebetween. A high voltage electrode may be electrically insulated from the discharge zone by the inner dielectric barrier. In this apparatus, the outer dielectric barrier is gas and the discharge zone is configured to accept a gas flow therethrough.

A plasma reactor comprises a housing, a first fluid inlet, a second fluid inlet, a first electric field generator, and an effluent outlet. The housing includes an axial aligned passageway and an internal reactor chamber coupled with the passageway. The first fluid inlet receives and delivers a first fluid to the reactor chamber. The second fluid inlet receives and delivers a second fluid to the reactor chamber. The first electric field generator is positioned in the reactor chamber and includes a first electrode and a spaced apart second electrode. The first electric field generator generates a first electric field, wherein the first fluid passes through the first electric field creating a plasma which is injected into the second fluid while the second fluid is flowing through the passageway to create an effluent. The effluent outlet receives the effluent from the reactor chamber and delivers it to a destination.

A plasma source has an outer surface, interrupted by an aperture for delivering an atmospheric plasma from the outer surface. A transport mechanism transports a substrate in parallel with the outer surface, closely to the outer surface, so that gas from the atmospheric plasma may form a gas bearing between the outer surface the and the substrate. A first electrode of the plasma source has a first and second surface extending from an edge of the first electrode that runs along the aperture. The first surface defines the outer surface on a first side of the aperture. The distance between the first and second surface increasing with distance from the edge. A second electrode covered at least partly by a dielectric layer is provided with the dielectric layer facing the second surface of the first electrode, substantially in parallel with the second surface of the first electrode, leaving a plasma initiation space on said first side of the aperture, between the surface of the dielectric layer and the second surface of the first electrode. A gas inlet feeds into the plasma initiation space to provide gas flow from the gas inlet to the aperture through the plasma initiation space. Atmospheric plasma initiated in the plasma initiation space flows to the aperture, from which it leaves to react with the surface of the substrate.

A wearable cold plasma system includes a wearable cold plasma applicator configured to couple to a surface of a user wearing the wearable cold plasma applicator and configured to generate a cold plasma. The wearable cold plasma applicator is in the form of a cuff having one or more electrodes configured to generate the cold plasma within a cavity of the cuff. The wearable cold plasma system also includes a controller coupled to the wearable cold plasma applicator, and the controller is configured to produce an electrical signal that forms the cold plasma with the wearable cold plasma applicator.

A system including a wearable cold plasma system, including a wearable cold plasma applicator configured to couple to and deliver a cold plasma to a surface of a user wearing the wearable cold plasma device.

A member for a plasma processing device includes: an aluminum base material; and an oxide film formed on the aluminum base material and having a porous structure, the oxide film including a first oxide film formed on a surface of the aluminum base material, a second oxide film formed on the first oxide film, and a third oxide film formed on the second oxide film, wherein the first oxide film is harder than the second oxide film and the third oxide film, and a hole formed in each of the first oxide film, the second oxide film and the third oxide film is sealed.

In an embodiment a device includes a first areal electrode and a second areal electrode, the first areal electrode and the second areal electrode being separated from one another by a discharge space, a voltage source configured to apply a voltage between the first areal electrode and the second areal electrode so that an electrical discharge is ignited in the discharge space between the first areal electrode and the second areal electrode, and a liquid supply configured to supply a liquid to the discharge space in such a way that the liquid forms a liquid film in the discharge space, the liquid film being exposed to the electrical discharge when the electrical discharge is ignited in the discharge space.

Solid state flow control devices, solid state heating sources, and plasma actuators are provided. A plasma actuator can include at least one powered electrode separated from at least one grounded electrode by a dielectric material. The dielectric material can be a ferroelectric material or a silica aerogel. Solid state flow control devices and solid state heating sources can include at least one such plasma actuator.

A large-sized plasma generator is suited to various surface shapes and has a longer service life and improved energy conservation. An example of the plasma generator (1-1) has a dielectric layer (3), first and second electrodes (4, 5) that are formed within the dielectric layer, an alternating-current power supply (6), and a first metal layer (7). The dielectric layer (3) is composed of polymer resin layers (31, 32) that are formed of a polyimide resin. The electrodes are arranged side by side within the dielectric layer. The first metal layer is formed of a metal having a sterilization effect, and has a plurality of pores (71) in the surface. The first metal layer spans between supporting parts (33, 34) of the polymer resin layer (32), and faces the whole of the electrodes. A gap (S) is formed between the first metal layer and the polymer resin layer.