Systems and methods for highly reproducible and focused plasma jet printing and patterning of materials using appropriate ink containing aerosol through nozzles with narrow orifice and tubes with controlled dielectric constant connected to high voltage power supply, in the presence of electric field and plasma, that enables morphological and/or bulk chemical modification and/or surface chemical modification of the material in the aerosol and/or the substrate prior to printing, during printing and post printing.

The present disclosure is directed towards electro-fluid transducers that may influence the flow of a fluid in and around a channel. In one such embodiment, a system comprises a first electrode at least partially encapsulated by a first dielectric; a second electrode at least partially encapsulated by a second dielectric, wherein a portion of a channel exists between the first dielectric and the second dielectric; a third electrode positioned in the channel; and a fourth electrode positioned in the channel, wherein the electrodes influence a flow of a fluid in the channel upon the electrodes being energized.

A treatment device for a body surface to be treated using a dielectric barrier plasma, including a high-voltage generator connected to a headpiece having a conductive element at least partially shielded by a dielectric wall that forms at least one part of an end wall facing the surface to be treated.

A glow discharge cell includes an electrically conductive cylindrical vessel, a hollow electrode, a cylindrical screen, a first insulator, a second insulator and a non-conductive granular material. The hollow electrode is aligned with a longitudinal axis of the cylindrical vessel and extends at least from the first end to the second end of the cylindrical vessel. The hollow electrode has an inlet, an outlet, and a plurality of slots or holes. The cylindrical screen is aligned with the longitudinal axis of the cylindrical vessel and disposed between the hollow electrode and the cylindrical vessel to form a substantially equidistant gap between the cylindrical screen and the hollow electrode. The first insulator seals the first end of the cylindrical vessel around the hollow electrode. The second insulator seals the second end of the cylindrical vessel around the hollow electrode. The non-conductive granular material is disposed within the substantially equidistant gap.

A plasma irradiation apparatus has a gas guide channel and a creeping discharge section. The creeping discharge section is disposed such that one of a discharge electrode and a ground electrode faces a flow path directly or via another member, and is configured to generate creeping discharge in the flow path by the application of a periodically changing voltage to the discharge electrode. At least a part of the ground electrode is arranged closer to an outlet port than the discharge electrode.

Exemplary systems and methods associated with skin treatments using non-thermal plasma to porate skin or tissues using conductive elements to direct an electric field through targeted regions of the skin or tissue. Various configurations of conductive elements and associated circuitry may be used to tune and control the electric field.

Apparatuses and methods for delivering bioactive substances or cosmetic substances using plasmaporation and microneedles are provided. The delivery of the substances includes topical, intracellular, intercellular, and transdermal delivery to the subject.

A treatment device for treating a lens included in an operational device, is disclosed. The Device may include a first segmented electrode, comprising at least two segments electrically isolated from one another, located in proximity to a first surface of the lens, wherein the first surface is to be treated by the treatment device; at least one second electrode; a distributor electrically associated with the first segmented electrode and with the at least one second electrode, and configured to distribute RF energy from a single RF generator to each of the segments of the segmented electrode separately; an RF generator for separately providing RF energy to the segments of the at least one first electrode and the at least one second electrode in an amount sufficient to generate plasma on at least a portion of the first surface of the lens, and a controller functionally associated with the distributor.

The invention relates to a device for producing a cold atmospheric pressure plasma for the treatment of human and/or animal surfaces, comprising a flexible, planar multilayer system with a side facing the surface to be treated and a side facing away from the surface to be treated, wherein the multilayer system comprises the following layers, namely a first electrode layer on the facing away side of the multilayer system, second electrode layer on the facing side of the multilayer system, wherein the electrode layer has a plurality of recesses or is formed in a grid-like or meander-shaped fashion, a dielectric layer arranged between the first electrode layer and the second electrode layer, and a spacer layer arranged adjacent the second electrode layer on the facing side of the multilayer system. In addition, the invention relates to a cable, a generator unit for providing a high voltage, and a system.

A system for evaluating a bond includes a first electrode and a second electrode that are spaced apart from one another. The system also includes a sacrificial material layer positioned proximate to a surface of a bonded structure that includes the bond. The system also includes a power source configured to cause the first and second electrodes to generate an electrical arc that at least partially ablates the sacrificial material layer as part of a non-destructive inspection of the bond.