The present invention provides methods and systems for a modular ion generator device that includes a bottom portion, two opposed side portions, a front end, a back end, and a top portion. A cavity is formed within the two opposed side portions, front end, back end, and top portion. At least one electrode is positioned within the cavity, and an engagement device is engaged to the front end and/or an engagement device engaged to the back end for allowing one or more modular ion generator devices to be selectively secured to one another.

A multifunctional air pollution reduction device includes a tool and a multifunctional pollutant remover. The multifunctional pollutant remover is adjacent to or integrated with the tool. The multifunctional pollutant remover can not only reduce air pollution, but also help reduce one or more of the following problems when using the tools: noise, vibration and/or slip.

An electrostatic chuck is configured to adsorb and retain an object thereon. The electrostatic chuck includes: a base body on which the object is mounted; an electrostatic electrode that is provided in the base body; a plurality of heating elements that are provided in the base body; and a plurality of current control elements that are provided in the base body, and each of which is connected in series with a corresponding one of the heating elements. Each of operations of the current control elements is controlled in accordance with light radiated toward a corresponding one of the current control elements from an outside of the base body.

A low-voltage plasma ionizer is proposed. The ionizer may include a resonator module comprising a metal plate and configured to generate plasma by using an electric field, wherein the metal plate comprises a long side extending in a longitudinal direction, a short side crossing the long side, and a slot extending in the longitudinal direction. The ionizer may also include a source generator connected to the resonator module, and configured to supply a signal to the resonator module to generate plasma including plasma ions around the metal plate. The ionizer may further include a fan placed in an XY plane, and configured to move the plasma ion in a direction crossing the XY plane.

A low-voltage plasma ionizer is proposed. The ionizer may include a resonator module comprising a metal plate and configured to generate plasma by using an electric field, wherein the metal plate comprises a long side extending in a longitudinal direction, a short side crossing the long side, and a slot extending in the longitudinal direction. The ionizer may also include a source generator connected to the resonator module, and configured to supply a signal to the resonator module to generate plasma including plasma ions around the metal plate. The ionizer may further include a fan placed in an XY plane, and configured to move the plasma ion in a direction crossing the XY plane.

An example apparatus for charge neutralization includes: a first emitter nozzle; a power supply configured to supply a high frequency alternating current (AC) signal to the first emitter nozzle; control circuitry configured to: provide a polarity signal to the power supply to generate a DC offset signal, wherein a combination of the high frequency AC signal and the DC offset signal causes the power supply to output a positive ion generation pulse or a negative ion generation pulse; control the polarity signal to cause the power supply to provide a period of positive ion generation and a period of negative ion generation; determine a balance voltage at an output of the first emitter nozzle; and control the polarity signal to adjust a relative durations of the period of positive ion generation and the period of negative ion generation based on the balance voltage.

An example apparatus for charge neutralization includes: a first emitter nozzle; a power supply configured to supply a high frequency alternating current (AC) signal to the first emitter nozzle; control circuitry configured to: provide a polarity signal to the power supply to generate a DC offset signal, wherein a combination of the high frequency AC signal and the DC offset signal causes the power supply to output a positive ion generation pulse or a negative ion generation pulse; control the polarity signal to cause the power supply to provide a period of positive ion generation and a period of negative ion generation; determine a balance voltage at an output of the first emitter nozzle; and control the polarity signal to adjust a relative durations of the period of positive ion generation and the period of negative ion generation based on the balance voltage.

A medical mask restoring device (1) includes an electric corona radiating net (2) producing an electric corona, an ion transmitter (12) connected with the electric corona radiating net, and at least one electricity supply (11) connected with the ion transmitter. Thus, the medical mask restoring device provides a restoring effect to the medical mask (A).

A medical mask restoring device (1) includes an electric corona radiating net (2) producing an electric corona, an ion transmitter (12) connected with the electric corona radiating net, and at least one electricity supply (11) connected with the ion transmitter. Thus, the medical mask restoring device provides a restoring effect to the medical mask (A).

A method and an apparatus for generating a particle wave carrying an electric charge is provided. The method comprises: on the basis of waveform information pre-stored in a waveform storage module, generating a corresponding digital waveform signal; the waveform information comprising amplitude and phase; on the basis of a digital-to-analog conversion module connected to the waveform storage module, converting the digital waveform signal having a pre-set phase into an analog waveform signal; on the basis of a power amplification module connected to the digital-to-analog conversion module, performing power amplification on the analog waveform signal; on the basis of a high-voltage generator connected to the power amplification module, performing high-voltage amplification on the power signal of the analog waveform signal; and by means of a quasi-continuous emission electrode connected to the high-voltage generator, emitting a charged particle wave on the basis of the analog waveform voltage signal.