A composition for electrostatic spraying according to the present disclosure contains a microcapsule, a solvent for dispersion, and an acidic conductive regulator. An electrostatic spraying device includes an atomizer that electrostatically atomizes the composition for electrostatic spraying. Since the composition for electrostatic spraying contains an acidic conductive regulator, droplets that are acidic aqueous solutions are generated by electrostatic atomization. When the generated droplets are supplied to a supply target site, an effect based on a property of the droplets as the acidic aqueous solutions is exerted on the supply target site.

A deposition apparatus supplies mist containing fine particles to a substrate and forms a film including the fine particles on a substrate surface, and includes an air guide member that covers at least a portion of the substrate surface, and a mist supplying section that supplies mist to a space between the substrate surface and the air guide member. The mist supplying section includes a charge applying section, which applies a positive or negative charge to the mist, and a mist ejecting section, which ejects the mist charged by the mist applying section into the space. The air guide member has a wall surface facing the substrate surface, and the deposition apparatus includes an electrostatic field generating section that causes a potential having a same sign as the mist charged by the charge applying section to be generated by the wall surface.

An electrostatic oiling system for use with single blanks in batch systems having an open spray chamber without the need for a negative vacuum chamber. Further, the provided electrostatic oiling system may utilize induction beams and a charge wall that allows for utilization of a smaller vacuum system. Further, the provided electrostatic oiling system may provide variable blank coverage without the need for metered pumps.

The present disclosure provides a device for controlling the shape of an aerosol particle condensation growth flow field through an electromagnetic field. The device includes an aerosol growth device and a power supply. The aerosol growth device includes a porous medium, magnetic rubber and an electromagnet group. The magnetic rubber is sleeved in an inner cavity of the electromagnet group, and the porous medium is sleeved in an inner cavity of the magnetic rubber. The magnetic rubber is clung or clings to the porous medium, and the power supply is connected with the electromagnet group. The present disclosure also provides a method for controlling the shape of the aerosol particle condensation growth flow field through the electromagnetic field.

A method of manufacturing optoelectronic components includes spraying a fluorescent layer of an optoelectronic component onto a substrate, the substance or the substance mixture of the fluorescent layer including an electric charge when sprayed on, and wherein the electrically charged substance or the at least partially electrically charged substance mixture includes a larger electric potential when the fluorescent layer is sprayed on than at least one area of the substrate; and locally adjusting the thickness of the fluorescent layer of the sprayed-on fluorescent substance when spraying on the fluorescent layer onto the substrate by an electric potential gradient.

The present inventions relate to the formation of a thin polymer film on a substrate. Apparatus is described for transforming a solid polymer resist into an aerosol of small particles, electrostatically charging and depositing the particles onto a substrate, and flowing the particles into a continuous layer. Apparatus is further described for transforming solid resist into an aerosol of small particles by heating the resist to form a low viscosity liquid such as is compatible with nebulization and applying the techniques of jet or impact nebulization and aerosol particle sizing to form the aerosol. A method is further described of using ionized gas to confer charge onto the aerosol particles and using a progression of charging devices establish an electric field directing the flow of charged particles to the substrate. The progression of charging devices and associated apparatus results in high collection efficiency for the aerosol particles.

This manual gun (2) for applying a coating product comprises a high voltage unit (42), designed for electrostatically charge the coating product at a voltage/flow rate characteristic when it is supplied with electric power, and adjustment means (16), for selecting, from among several pre-adjusted voltage/current characteristics, the voltage/current characteristic according to which the product is electrostatically charged. This gun also comprises a control member (10), which is maneuverable between an inactive configuration, where it opposes the application of the coating product and wherein the high voltage unit (42) is not supplied with electric power, and an active configuration, wherein it does not oppose the application of the coating product and wherein the high voltage unit is supplied with electric power. The adjustment means (16) comprise control buttons, giving the possibility of manually adjusting the flow rate of coating product applied by the gun when the control member (10) is in an active configuration and of selecting the voltage/current characteristic when the control member is in an inactive configuration.

A system capable of depositing a matrix film containing a low amount of impurities (e.g. neutral particles) is provided. The system includes: a first plate electrode 120 having an attachment surface on which a sample plate P is to be attached; a second plate electrode 130 arranged so as to face the attachment surface; a nozzle 110 for spraying a liquid containing a matrix substance into the space between the two electrodes 120 and 130 by an electrospray method, the nozzle 110 arranged so that none of the electrodes 120 and 130 lies on the central axis A of a spray flow of the liquid; and an electric field creator 140 for creating, between the two electrodes 120 and 130, an electric field for forcing electrically charged droplets contained in the spray flow of the liquid containing the matrix substance to move toward the attachment surface.

Described are an apparatus for generating and collecting nanospray reactive droplets and a method for analyzing a protein digestion. The apparatus includes a capillary, counter electrode, collection vessel, electrostatic lenses, and voltage control module. The capillary receives a mixture that includes a protein and an enzyme and has an outlet disposed in the aperture to dispense the mixture. The collection vessel has a concave surface to receive a nanospray plume emitted from the capillary outlet. The counter electrode and electrostatic lenses are disposed along a nanospray path defined between the capillary outlet and the collection vessel. Each electrostatic lens is formed of an electrically conductive plate having an aperture therein to pass a nanospray reactive plume. The voltage control module is in electrical communication with and is configured to independently control the voltage of the capillary, the counter electrode, the collection vessel and each of the electrostatic lenses.

An electrostatic spray device includes an electrostatic mixing chamber and an electrode pair in the electrostatic mixing chamber. The electrostatic mixing chamber receives an airflow that is driven by a fan of the electrostatic spray device. The electrostatic mixing chamber also receives a flow of fluid from a reservoir of the electrostatic spray device. The electrode pair is configured to apply electrostatic charge to droplets of the fluid suspended in the airflow. A voltage level of the electrostatic charge is adjustable responsive to a first DC output from a first DC convertor. A flow volume of the fluid from the reservoir is adjustable responsive to a second DC output from a second DC convertor. In some cases, a control unit of the electrostatic mixing device modifies the first or second DC outputs based on a target level of the voltage level or the flow volume.