211 results about "Ion flow" patented technology

The invention discloses a plasma ion three-dimensional flow velocity distribution detection system and method, and belongs to the technical field of plasma diagnosis. The system comprises a Mach probe, a controllable voltage source, a sampling resistor and a voltage acquisition system, the Mach probe, the sampling resistor and the controllable voltage source are connected in series through wires to form a loop, and the voltage acquisition system is connected in parallel with the controllable voltage source and the sampling resistor and is used for acquiring the voltage of the controllable voltage source and the sampling resistor. According to the detection method, on the basis of the multi-axis vector synthesis principle, ion flow velocity components in different planes are obtained by inserting a Mach probe in the three-axis direction, and a three-dimensional flow velocity component is calculated through a vector synthesis algorithm. According to the invention, the local flow field structure in the ion source can be diagnosed, the spatial distribution characteristic of the ion flow velocity can be revealed, the spatial resolution is high, the velocity information of particles can be directly provided, the three-dimensional data of the ion flow velocity measurement can be synthesized without complex optical path rotation or multiple scanning, and the experimental device is simple and low in cost.

The invention discloses a liquid chromatography-mass spectrometry data peak shape recognition processing method and related equipment, and relates to the field of data processing. The method comprises the following steps: acquiring liquid chromatography-mass spectrometry data; extracting morphological characteristic data of a chromatographic peak based on the extracted ion current chromatogram time sequence; calculating and extracting a signal complexity index of the ion current chromatogram time sequence; adjusting peak shape identification parameters according to the signal complexity index, wherein the peak shape identification parameters comprise a noise threshold value and a peak width range; distinguishing the chromatographic peak into a normal peak or an abnormal peak by using the adjusted peak shape identification parameter; searching a liquid phase method optimization scheme matched with the morphological characteristic data of the abnormal peak in a preset optimization database, wherein the liquid phase method optimization scheme comprises gradient elution time adjustment, mobile phase proportion optimization or chromatographic column replacement suggestion; and sending the liquid phase method optimization scheme to a user. According to the invention, various abnormal peak shapes can be automatically and accurately identified, and the reliability and accuracy of identification are guaranteed.

The invention discloses a qualitative and quantitative analysis method for autonomously identifying halogenated organic matters in a non-targeted manner, and belongs to the technical field of environmental analytical chemistry and water quality monitoring. The qualitative and quantitative analysis method of the halogenated organic matter comprises the following steps: adding an oxidizing agent or a disinfectant into an original water sample for complete oxidation or disinfection to obtain a water sample to be detected; detecting the water sample to be detected by using ultra-high performance liquid chromatography (UPLC)-Orbitrap mass spectrometry (MS), and detecting the original water sample which is not oxidized or disinfected at the same time to obtain two groups of liquid mass data; performing automatic data processing and contrastive analysis on the two groups of liquid quality data by using Compressed Discovery software, and identifying to obtain a newly generated halogenated organic matter; and establishing a calibration curve by using a total ion chromatogram and an external standard method, and carrying out quantitative analysis on the identified halogenated organic matter. According to the method, the purposes of efficient screening and accurate quantification of the non-targeted halogenated organic matter in the complex water body matrix are achieved, accurate quantification is conducted in combination with an external standard method, and rapid data analysis and result output are achieved.

The invention discloses a modified zinc negative electrode and an aqueous zinc ion battery comprising the same, the modified zinc negative electrode comprises a negative electrode current collector, at least one surface of the negative electrode current collector is provided with a modified coating, and the modified coating comprises a rare earth-based metal organic framework material and a binder. In the modified coating, the rare earth-based metal organic framework material changes the microstructure of the zinc negative electrode and homogenizes the surface electric field and ion flow of the zinc negative electrode, so that disordered deposition of zinc ions can be blocked, a uniform transmission channel can be provided for the zinc ions, growth of zinc dendritic crystals and dead zinc accumulation on the surface are inhibited, and the zinc negative electrode has the advantages of high corrosion resistance and high corrosion resistance. And meanwhile, direct contact between the electrolyte and the zinc negative electrode can be effectively avoided, and hydrogen evolution side reaction and electrode corrosion are inhibited, so that the cycle performance of the aqueous zinc battery is improved.

The invention provides a Hall and ion hybrid electric propulsion system. The Hall and ion hybrid electric propulsion system comprises a composite material gas cylinder, an inflation valve, a pressure adjusting module, a Hall flow adjusting module, an ion flow adjusting module, a Hall thruster, an ion thruster, an electric propulsion control unit, a power processing unit and a power supply processing and control unit, the pressure adjusting module supplies gas to the Hall flow adjusting module and the ion flow adjusting module in a time-sharing manner; the Hall flow regulation module and the ion flow regulation module are used for carrying out flow control on the Hall thruster and the ion thruster respectively; the electric push control unit performs time-sharing power supply control on the power processing unit and the power supply processing and control unit; the power processing unit and the power supply processing and control unit respectively provide electric energy for the Hall thruster and the ion thruster; the Hall thruster and the ion thruster provide thrust or impulse for the spacecraft; according to the Hall and ion hybrid electric propulsion system, the integrated design of air supply, power supply and autonomous process control of the Hall and ion thrusters is achieved, system air path and circuit configuration is simplified, and the requirement for a spacecraft with high specific impulse and high thrust electric propulsion systems at the same time is met.

The invention belongs to the technical field of battery processing, and particularly relates to a battery diaphragm mother roll pretreatment device which comprises a bottom plate, the bottom plate is an assembly main body of the treatment device, a treatment box is fixedly installed in the middle of the top face of the bottom plate, and through openings are symmetrically formed in the upper portions of the two sides of a box body of the treatment box; a storage box is fixedly assembled on one side of the treatment box, a gap is formed between the treatment box and the storage box, the treatment box and the storage box communicate with each other through a communicating pipe, and a through opening is also formed in the upper portion of the side, facing the storage box, of the treatment box. Dual mechanisms of the corona electricity removal mechanism and the ion electricity removal mechanism are arranged, the corona electricity removal mechanism ionizes air through high-voltage corona, ionized ions neutralize electrostatic charges on a battery diaphragm, the ion electricity removal mechanism sprays ion flow to the battery diaphragm through a power pump, a conveying pipe and a spray head, the electrostatic charges on the surface of the ion flow are further neutralized, and therefore the battery diaphragm is purified. Therefore, static electricity on the battery diaphragm is effectively eliminated.

The invention belongs to the technical field of coated glass, and particularly provides a deposition method of a metal seed layer in TGV metallization and magnetron sputtering equipment. The invention aims to solve the problem of serious surface discharge phenomenon caused by low adhesive force between a metal film and a glass substrate, low metal coverage rate and step rate in a through hole and high accumulated charge on the surface of glass in the existing TGV metallization process. The independent and controllable ion source is introduced to assist deposition, the ion source is started at different stages of metal film deposition, and directional and high-energy positive ion flow generated by the ion source is utilized to bombard the surface of the glass substrate so as to assist the magnetron sputtering process, so that the surface of the glass substrate is subjected to magnetron sputtering. Through shallow ion implantation, enhancement of surface migration energy of deposited metal atoms and neutralization of negative charges accumulated on the glass surface, the adhesive force between metal and a glass substrate is improved, the metal coverage rate and the step rate in a through hole are improved, surface discharge is inhibited, and therefore the process stability is improved.

An electrostatic separator or precipitator through which an air stream to be cleaned of particles flows in a longitudinal direction includes at least one electrospray ionization source, which is supplied with a positive potential and can be implemented, for example, by the tips of a graphite fiber bundle, and a collector unit arranged downstream for particle separation and having parallel collector and driver plates. The ion flow from the corona zone is additionally homogenized and spread by an upstream collector element, in particular a collector grid, upstream of the at least one electrospray ionization source, so that high particle separation rates can be achieved with minimal ozone emissions. Alternatively, or in addition, the ion flow from the corona zone can be homogenized downstream of the at least one spray ionization source by one or more border counter-electrodes.

A method of fabricating a multiphase heat exchanger for thermal coupling to a heat source is provided. The method includes submerging a build plate having a deposition surface into an electrolyte, the deposition surface comprising at least one of an evaporator base, a condenser base, or a liquid-return base. A printhead comprising pixelated electrodes and electrode-array drivers is submerged proximate to the deposition surface. A subset of the pixelated electrodes is selectively activated to generate an ionic flow through the electrolyte between the electrode subset and a portion of the deposition surface, thereby electrochemically depositing wicking structures on the base surface. Any two adjacent wicking structures positioned on the evaporator base are spaced apart by an average pitch selected to maintain a heat-transfer fluid, in a liquid phase, in contact with the evaporator base during operation of the multiphase heat exchanger.

A pulse generator is disclosed. The pulse generator includes a DC source; a plurality of switches, a transformer; and a pulsing output. The pulse generator can be coupled with a plasma chamber. The pulsing output outputs high voltage pulses having a peak-to-peak voltage greater than 1 kV and a voltage portion between consecutive high voltage bipolar pulses that has a negative slope that substantially offsets the voltage reduction on a wafer within a plasma chamber due to an ion current. The resulting voltage at the wafer may be substantially flat between consecutive pulses.

The invention discloses a cold cathode ionization gauge driving acquisition circuit, relates to the field of vacuum measurement, and solves the problems of signal conversion nonlinearity and large ion flow when a gauge tube works at a lower vacuum degree in the existing cold cathode ionization gauge driving acquisition technology. Comprising an ion current logarithmic acquisition circuit used for converting the ion current of the cold cathode ionization gauge into a voltage signal, a current monitoring circuit used for generating a control signal according to the voltage signal, and a voltage-controlled high-voltage driving circuit used for driving the cold cathode ionization gauge according to the control signal. The nonlinear compensation operation conditioning circuit is used for performing nonlinear compensation on the voltage signal according to the control signal to obtain an operation acquisition voltage, and the operation acquisition voltage is used for being input into an acquisition system; the non-linear problem of signal conversion is solved through the non-linear compensation circuit, negative feedback loop control is carried out through the current monitoring circuit and the voltage-controlled high-voltage driving circuit, the driving voltage of a gauge tube is reduced, and the maximum ion current is limited at a low level.

The invention discloses a waste gas non-methane total hydrocarbon emission continuous monitoring system and method, and relates to the related technical field of environmental monitoring, and the system comprises: a connection collection device, which is used for extracting to-be-detected gas from a waste gas source; carrying out gas chromatographic separation, and determining separated components; detecting through a hydrogen flame ionization detector to generate an ion current, and converting the ion current to obtain a current signal; weak current analysis is carried out, and a concentration-signal relation is established through fitting; extracting real-time to-be-detected gas for passing treatment, and generating real-time concentration in combination with the concentration-signal relationship; and the real-time concentration is output through a monitoring interface. The technical problem that in the prior art, continuous monitoring is difficult to conduct to effectively extract and separate different pollutant components, and consequently the accuracy and timeliness of the emission monitoring result are insufficient is solved, and the technical effect of improving the accuracy and timeliness of the emission monitoring result is achieved.

The utility model discloses an injection type ion deodorization device and relates to the technical field of deodorization equipment. The deodorization device comprises a deodorization reaction box and an ion generation device, an air inlet port is formed in one end of the deodorization reaction box, an exhaust port is formed in the other end of the deodorization reaction box, and mounting grooves are formed in the upper surface, the left side face and the right side face of the deodorization reaction box. According to the utility model, the ion generating device, the first ion jet pipe and the second ion jet pipe are arranged, and the ion generating device sends ion flow into the first ion jet pipe and the second ion jet pipe through the conveying pipeline, the first conveying pipe and the second conveying pipe at a certain speed; the first ion jet pipe and the second ion jet pipe are arranged in a perpendicular crossing mode, and under the cooperation of the multiple sets of partition blocks, pollution gas enters the deodorization reaction box and then makes mixed contact with ion flow sent out by the first ion jet pipe and the second ion jet pipe, it is guaranteed that the ion flow makes full contact with the pollution gas, and the pollutant treatment efficiency is improved.

1. Name of the product in this design: Human-computer interaction interface (ion flow) for cosmetic medical devices. 2. Intended use of this design: for use in an electronic device. 3. The key design features of this product are its graphical user interface. 4. The image or photo that best illustrates the design points: Design 1 Interface Change State Diagram 3. 5. Design 1 is designated as the basic design. 6. Uses of graphical user interfaces: for human-computer interaction in aesthetic and medical devices. 7. Description of the changing states of the graphical user interface: The main view of Design 1 is the interface after the system is opened, including three modes: Whitening, Wrinkle Removal, and Acne Treatment. Design 1 Interface Change State Figure 1 shows the interface after selecting Whitening mode in the main view, including two handles, Enter key, back key and settings key. Design 1 Interface Change State Diagram 2 shows the interface with two handle treatment heads after selecting the handle in Design 1 Interface Change State Diagram 1. Design 1 Interface Change State Diagram 3 is the beauty interface diagram after selecting the handle in Design 1 Interface Change State Diagram 2. Design 1 Interface Change State Figure 4 is the interface after selecting "CW" mode in Design 1 Interface Change State Figure 3. Design 2 Interface Change State Figure 4 is the interface after selecting "Pulse" mode in Design 2 Interface Change State Figure 3. Design 3 Interface Change State Diagram 4 shows the state diagram used after selecting the "CW" mode in Design 3 Interface Change State Diagram 3. Design 4 Interface Change State Diagram 4 is the state diagram used after selecting "Pulse" mode in Design 4 Interface Change State Diagram 3. Design 5 Interface Change State Diagram 4 is a detailed treatment head usage state diagram after selecting the "CW" mode in Design 5 Interface Change State Diagram 3. Meanwhile, the interface content of Design 1 main view, Design 2 main view, Design 3 main view, Design 4 main view, and Design 5 main view is the same, so the explanation is omitted. Meanwhile, the interface content of Design 1, Design 2, Design 3, Design 4, and Design 5 is the same, so the explanation is omitted. Meanwhile, the interface content of Design 1 Interface Change State Diagram 2, Design 2 Interface Change State Diagram 2, Design 3 Interface Change State Diagram 2, Design 4 Interface Change State Diagram 2, and Design 5 Interface Change State Diagram 2 is the same, so the explanation is omitted. Meanwhile, the interface content of Design 1 Interface Change State Diagram 3, Design 2 Interface Change State Diagram 3, Design 3 Interface Change State Diagram 3, Design 4 Interface Change State Diagram 3, and Design 5 Interface Change State Diagram 3 is the same, so the explanation is omitted.

The invention belongs to the technical field of beauty equipment, and particularly relates to a beauty light zirconium ion excitation device which comprises a device shell, the head of the device shell is provided with an ion excitation head, the ion excitation head comprises an insulating base and an excitation electrode group fixed on the insulating base, and the excitation electrode group is formed by arranging a plurality of microelectrodes in an array form; the device shell is internally provided with an ion excitation circuit, the ion excitation circuit comprises a high-voltage generation module and an electrode driving module, the high-voltage generation module is electrically connected with the electrode driving module, and the electrode driving module is respectively connected with each microelectrode in the excitation electrode group through a wire. According to the invention, the electrode group formed by arranging a plurality of independent microelectrodes in a specific array is arranged on the ion excitation head, the electrode driving module is respectively connected with the microelectrodes, and the array formed by the plurality of microelectrodes can physically form an ion excitation source with wider coverage and more dense distribution; and the generated ion current is milder and more stable.

The invention discloses a coating diaphragm based on a low-reduction-potential MOF (Metal Organic Framework), a preparation method and application, and belongs to the field of new energy battery preparation. The coated diaphragm based on the low-reduction-potential MOF comprises a base film and an MOF coating which is coated on at least any surface of the base film and has the low reduction potential, and one side, coated with the MOF coating with low reduction potential, of the diaphragm is directionally close to the negative electrode of the electrochemical device. The MOF with low reduction potential is introduced to construct an electrochemically stable coating structure, and the coating is directionally close to the negative electrode side, so that the problems of capacity attenuation and safety caused by precipitation and deposition of a large amount of metal on the surface of the diaphragm are avoided; therefore, ion flow can be homogenized by virtue of the porous characteristic of the MOF material, dendritic crystal growth can be inhibited, and the stability of a diaphragm-negative electrode interface can be improved by virtue of the stable electrochemical property of the MOF material.

This invention relates to a high-efficiency ion current acquisition structure and a mass spectrometer. The ion current acquisition structure includes: a collection chamber adapted to be installed between the ion source and the sampling cone of the mass spectrometer; a trumpet-shaped aperture disposed within the collection chamber at the end facing the ion source; an annular electrode disposed on the inner wall of the trumpet-shaped aperture; and a beam rod assembly comprising multiple rod-shaped electrodes uniformly arranged circumferentially along the outlet of the trumpet-shaped aperture, with adjacent rod-shaped electrodes spaced apart to form gaps; wherein, on the side away from the ion source, the ends of the multiple rod-shaped electrodes are all bent and converged towards the central axis of the collection chamber. This invention provides a high-efficiency ion current acquisition structure that can improve the technical problems of low ion acquisition efficiency before entering the vacuum system and high background noise caused by the inability to effectively filter neutral particles in the prior art.

The application discloses a 30# hard pitch flue gas low-toxicity risk characteristic fingerprint spectrum evaluation method and application. The application constructs a total ion flow chromatogram characteristic fingerprint spectrum of 30# hard pitch flue gas, the fingerprint spectrum comprises five characteristic peaks of 5-hydroxyvaleraldehyde acetate, alanine, 2,7-dimethyl-1-octanol, acetone and 3-ethyl-2-methylheptane, a to-be-tested pitch flue gas sample is collected, and whether the corresponding chromatographic peaks appear simultaneously is analyzed; if the corresponding chromatographic peaks appear simultaneously and the total peak area is greater than 30%, the pitch flue gas is determined as low risk. The low-toxicity characteristic fingerprint spectrum unique to 30# hard pitch is used as an evaluation benchmark, and scientific basis is provided for identification of low-emission pitch materials and health protection of construction personnel.

The invention discloses a laser ion source system based on double pulses and AI feedback control and a control method, and relates to the technical field of plasmas, and the system is characterized in that a first laser generates pre-ablation laser, and generates pre-plasma on a target material; the second laser generates main ionization laser which irradiates the pre-plasma to generate main plasma; and the intelligent control unit extracts spatial features from the plume image, fuses the spatial features, the spectral data, the real-time ion current intensity and the equipment parameters to obtain high-order state features, and generates laser pulse optimization parameters according to the high-order state features and the equipment parameters. According to the invention, a double-pulse mechanism is adopted to enable main ionization to occur in the expanded plasma, charge exchange and energy dispersion are reduced, the energy divergence of the ion beam is remarkably reduced, the energy conversion efficiency is improved, AI real-time feedback control can compensate factors such as target pitting corrosion and laser power fluctuation, and very high inter-pulse stability is realized.

The invention discloses an insulator impact breakdown voltage measurement system and method, and belongs to the field of electrical measurement. The system comprises an upper computer, a plurality of cameras, a high-voltage power supply and an insulator testing device, the insulator testing device comprises a closed cavity, a disc platform used for placing a plurality of insulators to be tested, a high-voltage electrode and an ionic wind module. The upper computer is used for controlling the ion wind module according to preset ion current parameters after the closed cavity is filled with the insulating gas, so that the ion wind module releases positive and negative ion current; the upper computer is also used for controlling the high-voltage power supply to supply power to the high-voltage electrode which forms a measuring loop with each insulator to be measured, so that the high-voltage electrode applies impact breakdown voltage to each insulator to be measured; and the upper computer is also used for obtaining an impact breakdown voltage measurement result of the insulator to be tested according to the number of the discharge channels corresponding to the discharge images of the cameras around the insulator testing device. According to the invention, the efficiency and accuracy of insulator impact breakdown voltage measurement are improved.

The application discloses a cold cathode ionization gauge driving and collecting circuit, and relates to the field of vacuum measurement, which solves the problems of signal conversion nonlinearity and excessive ion current when the gauge tube works at a lower vacuum degree in the existing cold cathode ionization gauge driving and collecting technology, and comprises the following parts: an ion current logarithmic collecting circuit, which is used for converting the ion current of the cold cathode ionization gauge into a voltage signal; a current monitoring circuit, which is used for generating a control signal according to the voltage signal; a voltage-controlled high-voltage driving circuit, which is used for driving the cold cathode ionization gauge according to the control signal; a nonlinear compensation operation conditioning circuit, which is used for performing nonlinear compensation on the voltage signal according to the control signal to obtain an operation collecting voltage; and the operation collecting voltage is used for inputting into a collecting system; the problem of signal conversion nonlinearity is overcome through the nonlinear compensation circuit, and the negative feedback loop control is performed through the current monitoring circuit and the voltage-controlled high-voltage driving circuit, so that the driving voltage of the gauge tube is reduced, and the maximum ion current is limited at a lower level.

The invention discloses an ion-electron coupling normal transmission bifunctional photoelectrocatalysis device and a preparation method thereof, and belongs to the field of photoelectrocatalysis. The invention aims to solve the problem that the energy conversion efficiency of an existing photoelectrocatalysis system is quickly reduced along with electrode size amplification. According to the invention, the bifunctional photoelectrocatalysis device is constructed, so that the electron and ion flowing mode is changed, and meanwhile, the ion transmission path is optimized. In the photoelectrocatalysis process, catalysts are loaded on the two sides of the conductive substrate in the bifunctional photoelectrocatalysis device, short-distance electron conduction can be carried out in the direction perpendicular to the normal direction of the conductive substrate, and selective directional short-distance ion transmission is achieved while an oxidation-reduction catalysis center is separated; the electrons on the two sides are not transmitted to an external circuit for migration through the surface of the electrode any more, but are transmitted through a normal path of the substrate, so that the amplification loss caused by non-uniformly distributed resistors on the surface of the electrode is overcome.

Analyzer, which includes the following: an ion source (1); an ion mobility separation element (7) containing a pair of opposing electrodes (3, 4) to which a high-frequency voltage (13) and a direct current voltage (14) are applied; and a shielding electrode (2, 42, 43, 46) which is provided between the ion source (1) and the ion mobility separation part (7) and to which a DC voltage (12, 70) is applied, wherein the shielding electrode (2, 42, 43, 46) has an ion flow path (8, 41, 45, 47, 49) which connects an inlet (60), from which ions are introduced from the ion source (1), with an outlet (62), from which the ions are released, and the ion flow path (8, 41, 45, 47, 49) includes a cylindrical section which is bent in its middle so that the outlet (36) cannot be seen from the inlet (60).

The application belongs to the technical field of solid-state batteries, and relates to a solid-state electrolyte of a solid-state battery, in particular to a cerium doped MOFs based composite solid-state electrolyte and a preparation method and application thereof. 4+ / Ce 3+ / Ce 4+ The application induces the rich Zr 4+ / Ce 3+ / Ce 4+ Multi-valence active centers, combined with the regulation effect of the interface ion flow of the graphite phase carbon nitride (g-C3N4) two-dimensional layered material, significantly improve the comprehensive performance of the composite polymer solid-state electrolyte, such as ion conductivity, electrochemical window, electrochemical stability and the like.

A process for producing technetium-99m from a molybdenum-100 metal powder, comprising the steps of:(i) irradiating in a substantially oxygen-free environment, a hardened sintered target plate coated with a Mo-100 metal, with protons produced by a cyclotron;(ii) dissolving molybdenum ions and technetium ions from the irradiated target plate with an H2O2 solution to form an oxide solution;(iv) raising the pH of the oxide solution to about 14;(v) flowing the pH-adjusted oxide solution through a resin column to immobilize K[TcO4] ions thereon and to elute K2[MoO4] ions therefrom;(vi) eluting the bound K[TcO4] ions from the resin column;(vii) flowing the eluted K[TcO4] ions through an alumina column to immobilize K[TcO4] ions thereon;(viii) washing the immobilized K[TcO4] ions with water;(ix) eluting the immobilized K[TcO4] ions with a saline solution; and(x) recovering the eluted Na[TcO4] ions.

The invention discloses purification and dust removal equipment for adhesive tape production, and belongs to the technical field of adhesive tape production.The purification and dust removal equipment comprises a machine shell and a dust suction mechanism, a filtering mechanism is arranged at the top of the machine shell, balance weight mechanisms are arranged on the two sides of the filtering mechanism, and a locking mechanism is arranged on one side of each balance weight mechanism; an air blowing mechanism and an ion generation mechanism are arranged in the machine shell, the ion generation mechanism comprises an insulating frame, a positive plate, a negative plate and a U-shaped frame, spray points are fixedly installed on the two sides of the positive plate, the filtering mechanism comprises a filtering frame and a filtering net, and the balance weight mechanism comprises a fixing plate, a balance weight plate, a flexible belt and a fixed pulley. Bidirectional ion flow formed by plasma discharge covers the surface of the adhesive tape, static electricity carried by the adhesive tape is effectively neutralized, and the adsorption effect of the static electricity on dust particles is eliminated; and meanwhile, dust particles which are attached and separated due to static electricity loss are promoted to fall off from the surface of the adhesive tape by synergic blowing of the generated ionic wind.

The invention discloses a parallel plate ion mobility measuring device and method for field observation. The equipment comprises a three-layer parallel flat plate ion current assembly, an electric field measuring instrument, a first direct-current power supply, a second direct-current power supply, an ampere meter and a measurement and control device, the three layers of parallel plate ion current assemblies are used for generating ions and forming a synthetic electric field; the ampere meter is used for being connected with the three-layer parallel flat plate ion current assembly and generating a current reading for indicating the density of the ion current; the electric field measuring instrument is arranged right below the three layers of parallel plate ion current assemblies and is used for generating a field intensity reading for indicating the size of a synthetic electric field; and the measurement and control device is used for executing a self-calibration program and a self-measurement program of the electric field measurement instrument so as to control the output voltage of the first direct-current power supply and the output voltage of the second direct-current power supply, obtain a current reading, obtain a field intensity reading and calculate the ion mobility. The system is high in accuracy, high in stability, convenient to use, good in portability and high in automation degree.

The present invention provides an anti-ion flow DC electric field detection device and method, which belongs to the field of electric field detection. For the detection of the nominal electric field under the condition of ion flow interference, two electric field sensors are set to perform electrostatic field detection, and a reference cover plate and a differential cover plate with different conditions are set above the two electric field sensors. The reference cover plate and the differential cover plate have different ion attachment and dissipation characteristics to the external ion flow field because of different materials or different surface roughness. That is, under the same ion flow field interference condition, the number of ions attached to the reference cover plate and the differential cover plate is different, and the electric field values ​​detected by the corresponding electric field sensors are different, so that the nominal field excluding the influence of the ion flow field can be extracted by differential means. The present invention can realize accurate and effective detection of the target electric field.

The invention discloses a double-pulse confinement ion current energy screening device and method, and relates to the field of ion beam control, the device comprises a plasma source, a deflection magnetic field, a parallel plate electrode, an ion beam control electrode, a capillary tube beam and a deposition target disc; the plasma source is used for providing plasma; the deflecting magnetic field is used for longitudinally scanning and homogenizing the plasma according to a vertical electric field to obtain an ion beam; the parallel plate electrode is used for providing an electric field orthogonal to the vertical electric field and controlling focusing and deflection of the ion beam through the voltage of the parallel plate electrode to obtain a deflected ion beam; the ion beam control electrode is used for adjusting the energy of the deflected ion beam to obtain a single-energy ion beam; the capillary tube beam is used for leading out single ions in the single-energy ion beam; the deposition target disc is used for receiving single ions in the single-energy ion beam; according to the invention, single-energy single-ion extraction can be realized, and the stability and precision of a single-ion beam can be ensured.