46 results about "Microprobe" patented technology

The invention relates to an offshore wind power tower tube corrosion detection method and system based on a microprobe technology, and the method comprises the following steps: placing a microprobe corrosion detection device on a to-be-detected offshore wind power tower tube, and setting a probe interval between a signal transmitting probe and a signal receiving probe according to the thickness of an anticorrosive coating of the offshore wind power tower tube and the corrosion condition; in the process that the microprobe corrosion detection device moves on the offshore wind power tower drum to be detected, the signal emission probe emits an alternating current signal according to a preset frequency, and the emitted alternating current signal is propagated by taking the anti-corrosion coating as a medium and penetrates through the coating to enter the main body steel structure; the emitted alternating current signal is transmitted in the main body steel structure and then returns to the signal receiving probe through the anti-corrosion coating; the alternating current signals collected by the signal receiving probe are analyzed, metal resistance and capacitance effect equivalent capacitance values of the main body steel structure in the offshore wind power tower are obtained, and the corrosion conditions of the main body steel structure and the anticorrosive coating of the offshore wind power tower are judged according to the obtained metal resistance and equivalent capacitance values.

The invention discloses a method and device for measuring structural parameters of an MEMS cantilever beam, and the method comprises the steps: placing the MEMS cantilever beam on an objective table of a nanoprobe station, and guaranteeing that the thickness direction of the MEMS cantilever beam is perpendicular to a horizontal plane; measuring the length l and the width b of the MEMS cantilever beam by using a microscope; controlling a micro probe of the nano probe station to descend until the micro probe is in contact with the surface of the MEMS cantilever beam; continuously controlling the micro-probe to descend, and recording the displacement X and the loading stress F of the micro-probe at the same time; carrying out linear fitting by utilizing a preset calculation device displacement X and the loading stress F to obtain the deformation rigidity K of the MEMS cantilever beam; and calculating the thickness h of the MEMS cantilever beam based on the deformation stiffness K, the length l, the width b and the Young modulus E. The measuring method is wide in application range and low in testing cost.

The invention discloses a soil-plant carbon element tracking method and system based on isotope labeling, particularly relates to the technical field of soil carbon cycle in-situ detection, and is used for solving the technical problem that a carbon migration path in a rice rhizosphere heterogeneous micro region cannot be distinguished in the prior art. The method comprises the following steps: arranging a spatial coding microprobe array on a rice root system and a soil interface of a rice field, synchronously applying a C13 labeled compound, and continuously obtaining a grid node oxidation-reduction potential and a carbon isotope abundance value; dividing the boundary of a root surface oxidation layer and an anaerobic layer based on day and night oscillation phase difference mutation; detecting peak displacement migration from carbonyl bonds to carbon-carbon bonds in a boundary transition region by adopting an in-situ Raman spectrum, and correcting a space boundary; partitioning and clustering carbon isotope abundance values according to the corrected boundary, and identifying hot spot boundaries of a root tip secretion active region, a microorganism enrichment region and a mineral binding region; calculating the carbon isotope flux gradient in each region and generating a spatial distribution map; in-situ analysis of a rhizosphere carbon migration path is realized, and rice field carbon cycle research precision is improved.

The utility model relates to a through hole detection device based on a conductive medium and a conductive microprobe, and belongs to the technical field of semiconductor manufacturing equipment and microelectronics. The device comprises an object carrying disc which is used for placing a sample wafer to be detected, and an electrode column is arranged in the object carrying disc; the transparent circuit substrate is arranged above the carrying disc, a conductive microprobe directly facing the sample wafer on the carrying disc is arranged on the transparent circuit substrate, the conductive microprobe is used for being in contact with the conductive medium to detect the conductivity injection mechanism of the through hole, and the transparent circuit substrate is used for injecting the conductive medium into the carrying disc. The conducting medium enters the through hole of the sample sheet under the capillary action to form a liquid column; and the observation device is arranged above the transparent circuit substrate and is used for observing the conductive medium in the through hole and the contact condition between the conductive microprobe and the conductive medium. According to the utility model, the conductive probe is combined with the carrying disc, the through hole is detected by using the conductivity and capillary action of the liquid metal, and the test efficiency is high.

Provided herein is a method comprising: binding α-synuclein to a biolayer interferometry (BLI) microprobe, contacting the BLI microprobe with a biological sample, contacting the BLI microprobe with α-synuclein, and measuring an optical signal from the BLI microprobe, wherein the optical signal indicates whether α-synuclein aggregates have formed on the microprobe.

The present invention discloses a planar micro-nano deposition control method based on a glass microprobe, comprising the following steps: obtaining base point coordinates of a deposition plane; obtaining and discretizing a two-dimensional deposition path of a model to be deposited; obtaining a plane equation of the deposition plane, substituting the two-dimensional deposition path into the plane equation to obtain a three-dimensional deposition path; moving the probe to a first deposition point for deposition; driving a Z-axis piezoelectric ceramic to move the probe to a Z-axis coordinate jump distance d1 upward of the next deposition point; driving X- and Y-axis piezoelectric ceramics to move the probe above the next deposition point; driving the Z-axis piezoelectric ceramic to move the probe downward to a Z-axis coordinate jump distance d2 upward of the deposition point for deposition; and sequentially performing micro-jump deposition on the remaining deposition points until deposition is completed. By varying the upward jump distance of the Z-axis coordinate, the present invention allows deposition to be performed while maintaining an unbroken micro-liquid bridge connection, resulting in advantages such as uniform deposition structure, high speed, and high precision.

The biopsy assembly comprises a cap body and a sampling piece, the cap body is provided with a first opening and a second opening, the first opening and the second opening are arranged in a staggered mode, a containing cavity channel and a pressure adjusting cavity channel are arranged in the cap body, the containing cavity channel is communicated with the first opening, and the pressure adjusting cavity channel is communicated with the second opening. The pressure adjusting cavity channel is communicated with the second opening and the storage cavity channel so as to provide positive pressure or negative pressure into the storage cavity channel; the sampling piece is at least partially arranged in the accommodating cavity channel and can move between a first position and a second position relative to the first opening; when the positive pressure in the containing cavity exceeds a first threshold value, the sampling piece moves from the first position to the second position relative to the first opening, so that at least part of the sampling piece penetrates through the first opening and extends out of the cap body. According to the utility model, the biopsy component and the intracavitary detector can be inserted into a cavity or an instrument channel at the same time after being matched, so that the sampling is prevented from deviating from the actual position, and the sampling accuracy is improved.

A sensing system includes a microprobe, the microprobe including: a layered structure including: a sensing unit comprising a sensor including a working electrode, wherein the sensing unit has a first perimeter when viewed along a layering direction, includes a first material having a first toughness, and including a first side and a second side; a deformable layer configured to deform under stress and positioned on the first side of the sensing unit; a ductile layer positioned on the deformable layer opposite the sensing unit and having a second perimeter when viewed along the layering direction, the first perimeter being within the second perimeter, the ductile layer including a second material having a second toughness greater than the first toughness; a sensor-interface layer positioned on the second side of the sensing unit; and an encapsulant partially encapsulating the layered structure and mechanically isolating the layered structure from a surrounding environment.

The present invention relates to a method for preparing a temperature-sensing probe of a microprobe and its use. The method uses a micro-thermistor as the core temperature-measuring component. By first injecting thermal grease at one end of the probe tube, then placing the micro-thermistor, and finally filling it with epoxy resin, a temperature-sensing probe of the microprobe is obtained. This method has a simple process. The obtained temperature-sensing probe of the microprobe has a small thermal time constant and good sealing performance when applied to deep-sea environmental temperature measurement. It has obvious negative temperature coefficient characteristics, good insulation characteristics, and fast response speed in the temperature range of -5°C to +35°C, and can withstand the extreme conditions of high pressure, high salt, and high humidity in the seawater environment, and is suitable for rapid temperature measurement in the deep-sea environment.

The present invention relates to the field of magnetic induction technology, and discloses a miniature high-sensitivity magnetic field sensor and a preparation method. The miniature high-sensitivity magnetic field sensor includes multiple sensing detection microprobes and a sensitivity correction processor. The sensing detection microprobes are used to obtain detected magnetic field signals and send the detected magnetic field signals to the sensitivity correction processor; the sensitivity correction processor is used to calculate at least one deviation signal based on the magnetic field signals detected by the multiple sensing detection microprobes, and the sensitivity correction processor is also used to calculate at least two correction signals for each deviation signal based on the magnetic field signals detected by the multiple sensing detection microprobes; the sensitivity correction processor is also used to calculate and select at least one correct correction signal based on the at least two correction signals for each deviation signal and the magnetic field intensity distribution law.

The application belongs to the technical field of electrostatic measurement, and particularly relates to a non-contact electrostatic potential tester based on a micro probe. The non-contact electrostatic potential tester comprises a shielding shell, an induction electrode, a conductor plate, a conductor filament, a test module and an insulating medium. The shielding shell is a columnar structure with two open ends. The two ends of the shielding shell are respectively provided with the insulating medium. The induction electrode is fixed to the insulating medium at one end of the shielding shell. The test module and the conductor plate are respectively fixed to the insulating medium at the other end of the shielding shell. The test module is provided with a test electrode. The conductor filament is located in the shielding shell and is respectively connected to the induction electrode and the conductor plate at two ends. The insulating medium is arranged on the two sides of the conductor filament. The insulating medium is arranged between the conductor plate and the test module.

The application provides a method for in-situ monitoring of active ion deintercalation in an active material. The method comprises: thinning a sample to be tested to below 150 nm by using a FIB technology to obtain a sample to be tested; determining an angle between a preferential orientation path of active ion intercalation and an electron beam by using an EBSD technology, and selecting a grain with an angle of 85°-95° as an in-situ monitoring object; transferring the active metal to a conductive microprobe, oxidizing part of the active metal on the conductive microprobe to form an active metal oxide, and obtaining a negative electrode and an electrolyte attached to the conductive microprobe; fixing the sample to be tested at a fixed end of a sample rod of an in-situ TEM tester, fixing the negative electrode and the electrolyte at a moving end thereof, and building a solid-state battery in a field of view of the tester; connecting the sample to be tested with a negative electrode of an external power supply, connecting the negative electrode with a positive electrode of the external power supply, applying a voltage to the solid-state battery, and collecting electron energy loss spectra at different positions in the grain of the active material to be tested.

The application discloses a preparation method of a flexible array microprobe in the field of semiconductors and microelectronics, and comprises the following steps: step S1, providing a quartz glass substrate, performing organic cleaning treatment, the cleaning process comprising three-step ultrasonic cleaning of acetone-isopropyl alcohol-deionized water, ultrasonic power being 50-200 W, time being 5-15 minutes, and drying in a 80 DEG C vacuum oven for 30 minutes after cleaning; step S2, preparing an ultraviolet narrow-band filter film on the quartz glass substrate, and the filter film adopting an HfO2 / SiO2 alternating film layer structure. The application designs an ultraviolet narrow-band filter for a wide-spectrum photoetching machine (mercury lamp spectrum range 300-600 nm) exposure light source, realizes specific wavelength selective transmission, improves diffraction light field definition of the narrow-band filter, and improves micro-needle sidewall smoothness; moreover, without complex mask exposure equipment or gray-scale mask plate preparation, through ultraviolet narrow-band filter design and diffraction light field regulation technology, the process flow is simplified, micro-needle geometric precision is improved, and process cost is reduced.

The present invention discloses an ultra-high vacuum sample stage and an integrated low-temperature transport measurement stage, comprising a sample measurement stage adapted for sample transfer using a vacuum flag-shaped sample holder, a flexible microprobe for multi-port electrical measurement, and a needle-feeding cam mechanism to prevent overdrive. The stage also includes an ultra-high vacuum cross-connect for integrated use, sealed with a vacuum electrical connection mechanism for outputting electrical signals, a probe drive mechanism for providing torque, an external vacuum cooling source, and the output end of the ultra-high vacuum multi-dimensional displacement stage. The present invention has the characteristics of not obstructing the core area of the sample, being easily docked with an ultra-high vacuum system, and being adaptable to multi-dimensional displacement. It can achieve nearly lossless and stable electrical connection between the probe and the sample in situ in a vacuum, while effectively supporting coordinated regulation of multiple fields and dimensions.

The invention discloses a scanning microprobe, a scanning local impedance microelectrode testing system and application thereof, and relates to the field of material surface, metal corrosion and protection. The scanning microprobe comprises a microelectrode and a microprobe body, the microelectrode comprises a glass tube and a first electrode, the diameter of the first end of the first electrode is 20-25 microns, the first electrode is located in the glass tube and is a platinum wire, and the first end of the first electrode is flush with the first end of the glass tube; the microprobe comprises a platinum-iridium alloy wire, the first end of the platinum-iridium alloy wire is a tip, the diameter of the first end is 100-200 nm, the microelectrode and the microprobe are attached in parallel, the attached positions are insulated from each other, and the first end of the platinum-iridium alloy wire exceeds the first end of the first electrode by 1-2 micrometers. By designing the structure of the scanning microprobe, the local impedance and the microcell morphology in the metal corrosion process can be accurately measured, and the scanning microprobe is suitable for researching the metal corrosion phenomenon and developing new materials.

The present invention belongs to the technical field of optical fiber device fabrication and discloses a method for fabricating a microchannel ultra-short fiber Bragg grating (FBG) using a femtosecond laser. The microprobe-based ultra-short FBG is fabricated using single-mode optical fiber tapering, discharge fusion splicing, and femtosecond laser microchannel etching. The microprobe's size can be controlled by adjusting the discharge intensity, discharge time, and number of discharges in the splicer, as well as the movement time and distance of the electrodes on both sides. The period and number of periods of the ultra-short FBG etched in the microprobe can be controlled by adjusting the movement path of the femtosecond laser focus. This method produces a compact, mass-producible, and stable ultra-short fiber Bragg grating based on the microprobe, playing a crucial role in the production and application of fiber Bragg grating-based optical fiber sensors. This method avoids the use of specialized optical fibers, reducing the cost of optical fiber device fabrication. Microprobes of varying diameters and lengths, as well as ultra-short FBGs with varying periods and numbers of periods, can be fabricated according to different application areas. In addition, ultrashort FBG based on micro-probes can be used to detect parameters such as refractive index, high temperature, and humidity.

This invention discloses a neural microprobe for bimodal functional localization and precise electrical stimulation of deep brain nuclei in non-human primates. It comprises a basal layer, a conductive metal layer, and an insulating layer. The conductive layer includes a set of detection sites and stimulation sites. This invention employs a dry etching process on the back of the silicon basal layer using two insulating layers with opposite stresses, balancing the stress differences between the different materials. This overcomes the technological challenges of extending silicon microprobes and solves the problems of probe bending and low mechanical stress caused by the large aspect ratio of silicon probes in non-human primates. The detection sites acquire bimodal signals using modified nanomaterials and polymer anti-interference ion-exchange membranes as localization markers for functional localization. The detection sites are arranged between the positive and negative electrodes of the electrical stimulation, controlling the stimulation range to be near the detection sites, thus achieving precise electrical stimulation. This invention provides a new research method and means for deep brain stimulation therapy of diseases such as Parkinson's disease.

The utility model discloses an intelligent crack detection device for tunnel construction, which comprises a host, a microscopic probe, a primary breather pipe and a secondary breather pipe, a vacuum pump is arranged in the main machine; an air suction pipe and an air pumping pipe are arranged in the microscopic probe; wherein the air inlet end of the vacuum pump is connected with the air suction pipe through a second-stage ventilation pipe, and a manifold is arranged at the air outlet end of the vacuum pump and connected with the air pumping pipe through a first-stage ventilation pipe; the microscopic probe is also provided with an air suction port and an air pumping port, one end of the air suction pipe is communicated with the secondary breather pipe, and the other end of the air suction pipe is communicated with the air suction port; one end of the air pumping pipe communicates with the first-stage ventilation pipe, and the other end of the air pumping pipe communicates with the air pumping opening. The utility model aims to solve the problems that the existing crack detection device is difficult to operate and cannot clean the accumulated dust in the crack.

The present invention relates to a nanoimprinting device for scanning microprobe alignment. The device includes a sample stage, a heatable microprobe, a first pressure sensor provided on the heatable microprobe, an alignment optical path, a light source system, a nanoimprint head, a second pressure sensor provided on the nanoimprint head, a three-axis drive mechanism, and a computer. The heatable microprobe, the first pressure sensor, the alignment optical path, the light source system, the nanoimprint head, the second pressure sensor, and the three-axis drive mechanism are all connected to the computer for communication to form a closed-loop feedback system. The computer acquires position coordinate data of the heatable microprobe and the nanoimprint head, as well as pressure data of the first and second pressure sensors in real time, to calculate the error data between corresponding points after two imprints by the nanoimprint head and perform compensatory imprinting. The present invention has the advantages of improving micro-nano patterning efficiency, realizing multiple splicing and imprinting of small-area imprint master templates to achieve large-area micro-nano patterning, and reducing process costs and improving alignment accuracy.

The invention relates to the technical field of planetary science and celestial body material analysis, and particularly discloses a lunar soil micron-sized particle sample capturing method which comprises the following steps: on an original substrate containing target particles, performing in-situ identification and phase classification on the particles by adopting a non-destructive spectrum means, generating a particle positioning map with serial number marks; preparing a microprobe with a flexible adhesion tip, and coating the flexible adhesion tip with an adhesion medium; the microprobe is controlled to make contact with target particles, the target particles are captured in a lossless mode through the adhesion force of the adhesion medium, and the target particles are separated from the substrate; transferring the microprobe capturing the target particles into a packaging medium, performing unique identification on a packaging body, and establishing a traceable file; a mild adhesion mode of the fiber tip and the embedding medium is adopted, the physical capture success rate of nearly 100% is achieved, and one-by-one independent treatment of single particles can be achieved.

The invention relates to a high-speed optical detection platform for a microprobe. The high-speed optical detection platform comprises a machine base, the electromagnetic chuck is located above the machine table base and comprises a magnetic conductive frame and a magnetic conductive cover plate, a hollow structure is arranged in the magnetic conductive frame, an electromagnetic coil is installed in the hollow structure, an opening is formed in the upper portion of the magnetic conductive frame, and the magnetic conductive cover plate covers the opening side of the magnetic conductive frame. Magnetic lines of force generated by the electromagnetic coil form a closed magnetic circuit in the magnetic conductive frame and the magnetic conductive cover plate; and the detection lens is positioned above the magnetic conductive cover plate and can move up and down. According to the detection platform of the scheme, accurate focusing of the probe and efficient detection of the quality of the probe can be achieved.

The invention aims to provide an ion source for mass spectrum in-situ ionization, which is used for qualitative and quantitative analysis of mass spectrum and comprises an ionization cavity, a grooving needle, a capillary spray needle fixed in the ionization cavity, a liquid phase pump for supplying liquid to the capillary spray needle and a laser heating source. The method comprises the following steps: dipping 0.5-1 [mu] L of a sample solution into a grooving needle, heating the grooving needle to evaporate the sample solution in a grooving groove to dryness to obtain sample dry residues, extending the grooving needle into an ion source at a distance of 05-20 mm from an inlet of a mass spectrometer, conveying methanol, acetonitrile, water or other spray liquid to a capillary spray needle by a liquid phase pump at a speed of 10-200 [mu] L / min, and simultaneously applying 2-6 KV high voltage to the capillary spray needle to atomize the spray liquid, a grooving part of the grooving needle is connected with a ground wire, fog is gathered to the grooving part to wet sample dry residues, then direct-current high voltage of the flat spraying capillary tube and the grooving needle are disconnected at the same time, then direct-current high voltage of 3-7 KV is applied to the grooving needle, aerosol generated by human analysis is excited by discharging of the grooving needle to generate ions, and the ions are removed; and the mass spectrometer inlet potential collects the generated ions into the mass spectrometer for separation and determination so as to generate a mass spectrum signal. The ion source has the sensitivity and stability of a common chemical ionization ion source under atmospheric pressure, and can be used for qualitative and quantitative analysis of mass spectrum.

Provided is an inspection device including: a light source generating and outputting a femtosecond laser beam; a beam splitter configured to split the femtosecond laser beam into a first light and a second light; a first optical array configured to separate the first light into a first sub-light and a second sub-light and to provide the first and the second sub-lights to an inspection target, wherein the first sub-light and the second sub-light are polarized in different directions; a microprobe configured to detect a photoelectric signal caused by incidence of the first and the second sub-lights on the inspection target, the microprobe including a first microprobe configured to detect the first sub-light and a second microprobe configured to detect the second sub-light; and a second optical array configured to provide the second light to the microprobe.

The invention provides an in-situ monitoring method for deintercalation of active ions in an active material. The method comprises the following steps: thinning a to-be-detected sample to be below 150nm by adopting an FIB technology to obtain a to-be-detected sheet; determining an included angle between a preferential orientation path of active ion embedding and an electron beam by adopting an EBSD technology, and selecting crystal grains with the included angle of 85-95 degrees as an in-situ monitoring object; transferring the active metal to the conductive microprobe, oxidizing a part of the active metal on the conductive microprobe to form an active metal oxide, and obtaining a negative electrode and an electrolyte attached to the conductive microprobe; the method comprises the following steps: fixing a to-be-tested sheet at a fixed end of a sample rod of an in-situ TEM tester, fixing a negative electrode and an electrolyte at a mobile end of the in-situ TEM tester, and constructing in a visual field of the tester to form a solid-state battery; and connecting the to-be-detected sheet with the negative electrode of the external power supply, connecting the negative electrode with the positive electrode of the external power supply, applying voltage to the solid-state battery, and collecting electron energy loss spectrums at different positions in the crystal grains of the to-be-detected active material.

The invention discloses a safety starting system for double-chain redundancy check, a chip, a method, equipment and a storage medium, and belongs to the technical field of embedded system safety. According to the method, a double-chain framework is adopted, a main chain is used for carrying out step-by-step signature verification on a starting code, and meanwhile, an auxiliary chain is used for carrying out integrity verification on firmware; when any chain is verified to be abnormal and the other chain is normal, triggering a repairing mechanism by the normal chain, and performing differential updating and repairing on the abnormal part by using the pre-stored mirror image; and if the double chains are abnormal at the same time, stopping starting and clearing sensitive data. According to the invention, a double-chain redundancy check safety starting system is integrated in the same packaging body through an SiP packaging technology, and attacks such as microprobe and fault injection are resisted in combination with a three-dimensional physical protection design. According to the method, the dynamic repair capability and the physical invasion resistance of the embedded equipment are remarkably improved, and the method is suitable for high-security industrial scenes.

A sensing system comprises a microprobe, which comprises a layered structure and an encapsulation portion, wherein: the layered structure comprises: a sensing unit, comprising a sensor, the sensor comprising a working electrode, wherein the sensing unit has a first perimeter when viewed along the layered direction, comprises a first material having a first toughness and comprises a first side and a second side; a deformable layer, configured to deform under stress and positioned on the first side of the sensing unit; a ductile layer, positioned on the deformable layer opposite to the sensing unit and having a second perimeter when viewed along the layered direction, the first perimeter being within the second perimeter, the ductile layer comprising a second material having a second toughness greater than the first toughness; a sensor interface layer, positioned on the second side of the sensing unit; and the encapsulation portion partially encapsulates the layered structure and mechanically isolates the layered structure from the surrounding environment.

The invention belongs to the technical field of polymer optical fiber microprobes, and particularly discloses a polymer optical fiber microprobe modified with molecularly imprinted polymer and CdTe quantum dots and application of the polymer optical fiber microprobe modified with molecularly imprinted polymer and CdTe quantum dots. Then, a core-shell structure polymer optical fiber microprobe with the surface modified with MIP-QDs is prepared at the tail end of a standard single-mode optical fiber through a free radical photopolymerization method, and the response is faster and detection balance can be achieved only in 10 minutes; the microprobe has a good linear response relationship to amoxicillin in a concentration range of 0.5-50 [mu] g / L, and the detection limit can be as low as 0.31 [mu] g / L, which is superior to the detection requirements of European Union food and drug residue standards. The fluorescence intensity is monotonically decreased along with the change of the target concentration, so that quantitative analysis can be realized; besides, the microprobe has excellent reuse performance and good sensing stability, and the relative standard deviation in multiple rounds of measurement is lower than 1.5%, so that the feasibility and stability of long-term application of the microprobe are shown.

The invention provides an electrostatic adsorption microprobe and a preparation method thereof, the electrostatic adsorption microprobe can be applied to the technical field of nano material processing, the electrostatic adsorption microprobe comprises a needle tip, the needle tip comprises a sheet-shaped metal electrode group, the sheet-shaped metal electrode group forms an electric field after being electrified, and the electric field is used for adsorbing a target material; the electrical connection interface is used for being connected with an external power supply, and the external power supply is used for controlling the voltage of the sheet metal electrode group to form an electric field at the needle point. According to the electrostatic adsorption microprobe provided by the embodiment of the invention, the nano material with the size being smaller than micron can be accurately controlled and positioned, the manufacturing requirement of a high-precision nano device is met, the nano material can be accurately transferred and assembled, and the accuracy and stability of material transferring and assembling are improved.

The invention provides a detection device and method for power plant metallographic authenticity discrimination, belongs to the technical field of material detection, and can at least partially solve the problems that the existing comparison result highly depends on the integrity of a database, the slight editing sensitivity of an algorithm to a photo is low, the algorithm is only based on static visual characteristics, the dynamic characteristics are ignored, an active verification mechanism is lacked, and the detection efficiency is low. The device comprises a sample positioning platform, a resonant cavity module, an electrochemical microprobe module, an optical polarization modulation module and a signal processor, and has the beneficial effects that the device is provided with the resonant cavity module, the electrochemical microprobe module and the optical polarization modulation module; through multi-mode cooperation, the limitation of single visual comparison is broken through, vibration, electrochemical and optical signatures are actively generated, and the anti-counterfeiting capability is enhanced; the device does not depend on a huge database and adapts to a power plant complex environment; all the modules work cooperatively to form a closed-loop verification mechanism.

The present disclosure provides a metal microprobe array and an electroforming method thereof, and relates to the technical field of microfabrication, and comprises the following steps: constructing a photocured resin mask model with a microprobe cavity; preparing a photocured resin mask; placing the photocured resin mask into a dopamine mixed solution to form a self-assembled polydopamine molecular layer on the surface of the photocured resin mask, thereby obtaining a photocured resin mask with surface hydrophilicity; adhering the photocured resin mask with surface hydrophilicity to a metal substrate by mechanical bonding, and using the photocured resin mask as an assembled cathode for electrodeposition; immersing the assembled cathode into an electroforming solution as a cathode for vacuum boiling electrodeposition; when the microprobe array is filled with metal and fills the cavity of the photocured resin mask with surface hydrophilicity, removing the cathode to obtain a filled photocured resin mask; and performing high-temperature ashing treatment on the filled photocured resin mask, and then performing ultrasonic cleaning to obtain a metal microprobe array. The present disclosure can improve the preparation efficiency of the metal microprobe array.