97 results about "Microcell" patented technology

The embodiment of the invention discloses a cold cathode flat plate X-ray source capable of coding light emitting and a coding light emitting method, the ray source comprises a vacuum sealing cavity, a cathode assembly and an anode assembly, the cathode assembly and the anode assembly are arranged in the vacuum sealing cavity in a sealing manner, and the cathode assembly and the anode assembly are oppositely arranged at an interval; a vacuum working space for electron acceleration and X-ray generation is formed; the cathode assembly comprises a cathode substrate and a nano cold cathode electron source array arranged on the cathode substrate; the anode assembly comprises an anode substrate and a transmission anode target arranged on the anode substrate; wherein at least one of the nanometer cold cathode electron source array and the transmission anode target is in a coding state: when the nanometer cold cathode electron source array is in the coding state, the nanometer cold cathode electron source array comprises a micro-unit electron source array capable of independently addressing, and a preset coding pattern is formed; and when the transmission anode target is in a coding state, a metal coating with a preset coding pattern is formed on the surface of the anode substrate through a micromachining process so as to integrate a coding function.

The invention discloses a ship tail gas dynamic purification method and device. A real-time monitoring network is constructed by collecting multi-point sensing data of ship tail gas and operation parameters of a purification device, a purification bottleneck area is recognized based on a closed-loop control loop, and encrypted arrangement of sensors is implemented to generate an encrypted monitoring field; collecting monitoring data from the encrypted monitoring field, performing disturbance compensation to form a steady-state measurement value, and constructing an adaptive control domain through the steady-state measurement value; absorbent activity evaluation is carried out on the self-adaptive control domain to extract attenuation characteristics, and the attenuation characteristics are reversely mapped into supplementary dosage to generate a feedforward control signal; analyzing and identifying a speed control step through microcell reaction kinetics, applying temperature regulation and control to the speed control step to generate activation energy compensation, and converting the activation energy compensation into a heating power instruction to form a thermal management sequence; a cooperative control sequence is generated based on coupling of a thermal management sequence and a stoichiometric balance table, the cooperative control sequence is decomposed into a fast and slow response control loop, and efficient and stable purification of ship exhaust is achieved.

A semiconductor device may include a plurality of single-photon avalanche diode (SPAD) pixels. The semiconductor device may be a backside device that includes a sensor wafer stacked with an integrated passive component (IPC) wafer. The sensor wafer may include the SPAD pixels in an array across the sensor wafer. The IPC wafer may include active microcells that include quench resistors and dummy microcells that omit or disconnect the quench resistors. The sensor wafer may be bonded to the IPC wafer through hybrid bonding. The regions with active microcells may form active areas of the semiconductor device, while the regions with dummy microcells may form inactive areas. In this way, the active areas and inactive areas of the semiconductor device may be configurable by adjusting the active and dummy microcells of the IPC wafer.

The utility model discloses a low-power-consumption intelligent necklace for shepherds based on dual-mode energy supply. The low-power-consumption intelligent necklace for the shepherds based on dual-mode energy supply comprises a necklace body, the necklace body is provided with a detachable core unit and a dual-mode energy supply unit, and the core unit is connected with the dual-mode energy supply unit; the core unit is a TPU shell in which a positioning chip, a movable sensor, a microprocessor and a communication module which are connected with one another are packaged, and the dual-mode energy supply unit comprises a flexible solar cell, a ceramic micro generator and a micro battery.

An optical computing device includes: one or more light-diffraction elements each of which includes microcells, wherein each of the microcells has an individually set thickness or refractive index; and an optical signal input section that simultaneously inputs an optical signal and a delayed optical signal obtained by delaying the optical signal to the one or more light-diffraction elements.

The invention relates to the field of new energy batteries, and discloses a new energy battery temperature monitoring control method comprising the following steps: deploying a multi-mode sensor array comprising a nanowire thermopile, a terahertz time-domain spectroscopy system and a flexible film temperature sensor; constructing a non-local heat conduction model, and introducing a heat flow relaxation time term and a non-local diffusion term to correct the traditional Fourier law; establishing a jump diffusion type stochastic differential equation of a microscopic heat source, and quantifying the randomness of lithium ion flux fluctuation and thermal runaway triggering; the optimal layout of the sensor is determined through a topological optimization algorithm, and the temperature field reconstruction error and the hardware cost are minimized. Through the cross-scale sensing fusion of the nanowire thermopile and the terahertz spectrum, the limitation of traditional single-point temperature measurement is broken through, and millisecond-level capture of the thermal behavior of an electrode-electrolyte interface microcell is realized. Compared with a method depending on surface temperature extrapolation in the prior art, the problem that microcosmic heat source recognition precision is insufficient is effectively solved, and the early-stage thermal runaway early warning capacity is remarkably improved.

An electrophoretic display with aligned microcell structure, comprising: a control substrate having a first surface and a second surface; a drive circuit layer, a control electrode layer, an electrophoretic layer, the drive circuit layer, the control electrode layer, the electrophoretic layer are sequentially arranged on the second surface of the control substrate; the electrophoretic layer has a microcell structure arranged above the control substrate and made of a polymer material, the microcell structure comprises a plurality of cell walls for defining a plurality of chambers filled with a colloidal solution, and the overlapping area of the cell walls and the control electrode in the projection direction of the viewing surface is less than 50% of the area of the control electrode.

The present application belongs to the technical field of mobile edge computing microservice, and particularly relates to an edge computing microservice deployment and task scheduling method based on microcell architecture in a 5G and Internet of Vehicles scenario.The method comprises the following steps: firstly, describing an edge computing network structure based on microcells in a 5G scenario; on this basis, systematically modeling the microservice deployment and task scheduling problem, with the optimization target being to minimize the delay of all users, which is mainly manifested as processing data upload delay; then, decomposing and completely solving the sub-problems to transform the original problem into a linear integer programming problem; and using an L2Box-ADMM algorithm to solve the linear integer programming problem.Test results show that, compared with other microservice deployment and task scheduling algorithms, the algorithm of the present application can find a microservice deployment and task scheduling strategy that satisfies the resource constraint condition and has smaller total delay, and can reduce the gap with the optimal solution by 35%.

The invention relates to colloidal quantum dots on a silicon photomultiplier microcell matrix. The techniques employ colloidal quantum dots (CQDs) in which a CQD layer is disposed on an array of SiPM microcells of an image sensor for an imaging module. The CQD layer and the microcell array are individually biased. A method includes biasing a CQD layer of an imaging module at a first voltage, and biasing an array of photomultiplier microcells at a second voltage. Upon receiving photons, the CQD layer generates charge in response. Charge moves from the CQD layer into the array, where at least one photomultiplier microcell amplifies the charge. A signal is then output from the imaging module in accordance with the amplified charge. This method can significantly improve the photon detection efficiency of the imaging element, which can be used in a wide range of applications such as lidar, medical imaging and night vision or in other weak light imaging scenarios.

A variable light transmission device is disclosed and a method of manufacture of the same. The variable light transmission device comprises two light transmissive electrodes and a microcell layer having a plurality of microcells, each microcell comprising a protrusion structure and a channel, and including an electrophoretic medium. The opacity of the device is controlled by an applied electric field.

A variable light transmission device is disclosed that mitigates negative aperture diffraction effects and shows good switching speed between the open and the closed optical states. The device comprises a microcell layer disposed between two light transmissive electrode layers, the microcell layer having a plurality of microcells, each microcell including an electrophoretic medium. And each microcell comprises a protrusion structure and a channel.

The invention discloses a flexible micro-nano cross-scale integrated metasurface single-cell sensor and a preparation method thereof, and relates to the field of biosensing. The sensor comprises a PDMS flexible substrate layer, a micro-nano cross-scale structure layer and a gold metal film layer, the micro-nano cross-scale structure layer adopts a nesting design of a micron-scale single cell capture unit and a nano-scale plasmon structure, so that single cell precise limiting and local electromagnetic field multi-stage enhancement are realized, and the problems of poor adaptability and low sensitivity of a traditional rigid sensor are solved. According to the preparation method, a silicon-based template-replication forming-magnetron sputtering process is adopted, a silicon template is prepared through deep ultraviolet lithography and deep reactive ion etching, a gold film is deposited after a flexible micro-nano structure is copied by PDMS, and large-scale mass production of the sensor is realized. The sensor has excellent flexibility, biocompatibility and high detection sensitivity, can realize single cell level accurate and in-situ detection, is suitable for the scenes of early disease screening, cell biological analysis, personalized medical treatment and the like, and is simple in process and low in cost.

The invention relates to a free-flow electrophoresis microcell device comprising a succession of electrophoresis plates X, sealing plates Y, and cooling plates Z containing a heat transfer system, said plates being stacked in tiers comprising electrophoresis chambers, each electrophoresis chamber comprising a hollowed-out portion of height h corresponding to the thickness of the electrophoresis plate X, from 25 µm to 200 mm, with 4 to 9 successive aligned inlets and 4 to 12 successive aligned outlets, such that the inlets and outlets face each other, and supply and return channels connected to each of the inlets and outlets. (No figure)

The application discloses a sputum smear compliance detection method based on fragmentation processing and an AI model, and relates to the fields of artificial intelligence and medical treatment.The method first acquires a sputum smear full-image scanned by a low-power objective lens, obtains a field-of-view set through pretreatment and cutting and segmentation, carries out screening and sorting based on physical compliance of an L channel and staining compliance scoring of an ab channel in a Lab space, samples a to-be-detected field-of-view set in combination with a space non-overlapping requirement, cuts and clips the to-be-detected field-of-view into subgraphs through a sliding window, inputs the subgraphs into an optimized Transform detection network for detection, fuses WBC / EC counts through a redundancy elimination algorithm, and determines a compliance level according to a count mean value and generates a digital traceability report.The application adopts an SAHI framework and an optimized Transform network, solves the contradiction between microcell recognition accuracy and computing power, eliminates artificial subjective bias, takes into account detection efficiency and statistical representativeness, and is suitable for high-throughput sputum smear quality evaluation.

The application relates to a high-throughput testing device and method for simulating the crevice corrosion of spent fuel reprocessing boiling nitric acid, and belongs to the field of spent fuel reprocessing boiling nitric acid corrosion testing devices. The device combines continuously changing crevice widths with wire beam electrodes, so that each rod-shaped sample corresponds to different crevice widths, and the crevice corrosion electrochemical signals under different crevice widths are monitored at one time. Therefore, the device can capture the corrosion signals of a micro area, obtain the corrosion rules under different crevice widths, complete high-throughput electrochemical testing, integrate the signals captured by each micro electrode, and obtain the corrosion condition of the whole material. Meanwhile, polytetrafluoroethylene is used as raw material to manufacture a top wire, a bolt, a nut and a bottom support in the device, the device has good electric insulation performance and strong corrosion resistance, and can meet the electrochemical experiment under a high-temperature concentrated nitric acid environment for a long time. The simulation and research of the crevice corrosion under the boiling concentrated nitric acid environment are realized.

The purpose of the present invention is to provide a technique for obtaining plant-derived cells with higher efficiency, higher purity, or with better structure retention. This problem is solved by a method for preparing a cell-containing solution in which a cell-containing solution is obtained from a plant material, and the plant material is an inner layer portion obtained by removing an outer layer portion of a fruit or an outer layer portion obtained by removing an inner layer portion of a fruit.

A variable light transmission device is disclosed that mitigates negative aperture diffraction effects and shows good switching speed between the open and the closed optical states. The device comprises a microcell layer disposed between two light transmissive electrode layers, the microcell layer having a plurality of microcells, each microcell including an electrophoretic medium, and each microcell comprising a channel, a protrusion structure, the protrusion structure having one or more concavities.

Gravity-actuated display systems suitable for use as security markers, for example to incorporate into bank notes. The devices can be made very thin and flexible, yet are robust enough to endure the harsh conditions of paper currency in general circulation. Because the displays are gravity actuated, they do not require a power source or circuitry. The gravity-actuated displays can be fabricated using microembossing or photolithography and can be filled and sealed using roll-to-roll techniques. The microcells can also be patterned to provide custom designs, such as official seals.

Dynamically configuring wireless access points (APs) in wireless local area networks (WLANs). Dynamically determines an AP configuration of cell size and frequency sub-bands of deployed dual-radio WLAN APs for improved network performance. In a first AP configuration, a first AP radio increases the power level of a micro cell while a second AP radio decreases the power level of a macro cell to provide a higher quality of service for the clients connected to the first and second co-located, same-band AP radios. If the increased power of the micro cell causes too much interference between the co-located, same-band AP radios, then a second AP configuration is dynamically applied to lock each AP radio on a different, non-overlapping frequency band, thus minimizing interference between the AP radios and improving network performance.

The invention provides a quasi-regular double six-discontinuous triangulation network construction method for potential sliding surface search of a side slope. The method comprises the following steps: iteratively generating a quasi-regular initial triangulation network adapted to the boundary of a side slope model; dividing the local part into six grids, and encrypting to generate a six-direction array arrangement topological grid; constructing a six-node triangular unit and a high-order discontinuous line data format; and solving and searching the potential sliding surface of the slope by a second-order cone programming model. The method not only adapts to the geometric boundary of a slope discrete model, but also can meet the special requirements of a quasi-regular double six-discontinuous triangulation network, and a six-direction through discontinuous grid structure in any tiny area is formed; meanwhile, local partitions can be further preset through the double six-discontinuous grids, resource consumption of grid units in non-critical areas is reduced, the double six-discontinuous grids are applied to limit analysis of upper limit finite elements, high-precision search of the potential sliding surface of the side slope is achieved through rapid solving of a second-order cone programming problem, and the search precision can be guaranteed while the calculation burden can be reduced.

A variable light transmission device is disclosed that mitigates negative aperture diffraction effects and shows good switching speed between the open and the closed optical states. The device comprises a microcell layer disposed between two light transmissive electrode layers, the microcell layer having a plurality of microcells, each microcell including an electrophoretic medium, and each microcell comprising a channel, a protrusion structure, the protrusion structure comprising a conoid geometric solid.

A variable light transmission device is disclosed that mitigates negative aperture diffraction effects and shows good switching speed between the open and the closed optical states. The device comprises a microcell layer disposed between two light transmissive electrode layers, the microcell layer having a plurality of microcells, each microcell including an electrophoretic medium, each microcell comprising a protrusion structure, the protrusion structure having one or more wells.

A fragrance delivery system is disclosed whereby multiple fragrances can be released on demand. The fragrance delivery system includes a plurality of microcells, wherein each of the plurality of microcells is filled with a fragrance composition. Each of the plurality of microcells includes an opening, the opening being spanned by a porous sealing layer. The fragrance delivery system provides a tool to deliver a customizable olfactory effect in the vicinity of the fragrance delivery system.

The invention belongs to the field of sample ultrafast spectral optical detection, and particularly relates to a microscopic in-situ high-pressure pumping-pushing-detecting three-beam spectral measurement system, which comprises a femtosecond laser light source and a beam splitting module, wherein the femtosecond laser light source and the beam splitting module are used for splitting a fundamental frequency pulse into a pumping path, a pushing path and a detecting path which are respectively input into corresponding modulation modules; the pump light modulation module performs frequency multiplication and modulation on the pump light; the light modulation module is driven to independently tune the wavelength and introduce a first time delay; the probe light modulation module introduces a second time delay and generates super-continuous white light. The beam combining module modulates the three paths and then combines the three paths into one beam. The dual-mode detection module selects a reflection mode or a transmission mode to collect signals, and then the signal acquisition and processing module generates spectral data. And the microscopic imaging module and the detection light path partially coincide to observe the sample and the light spot in real time. According to the invention, active tracking and multi-dimensional analysis of ultrafast intermediate state dynamics in a high-voltage microcell sample are realized by combining a three-beam time sequence with high-voltage, microscopy and dual-mode detection.

The invention relates to a silicon photomultiplier device and an operation method thereof, a light detection and distance measurement sensor and a vehicle. Silicon photomultiplier linearity using bias current. A silicon photomultiplier (SiPM) device includes a single photon avalanche detector (SPAD) configured to selectively conduct an output current in response to detecting a photon; a current source defining a microcell power supply node and configured to supply an output current to the microcell power supply node; and at least one active device connected between the microcell power supply node and the SPAD and configured to selectively conduct an output current between the microcell power supply node and the SPAD. The current source has a first load capacitance at the microcell supply node and the at least one active device has a second load capacitance. The SiPM device also includes a current regulator configured to conduct a pre-charge current from the microcell power supply node to pre-charge each of the first load capacitance and the second load capacitance.

An electrophoretic display with tapered microcell structure, comprising: a control substrate having a first surface and a second surface; a drive circuit layer, a control electrode layer, an electrophoretic layer, the drive circuit layer, the control electrode layer, the electrophoretic layer are sequentially arranged on the second surface of the control substrate; the electrophoretic layer has a microcell structure arranged above the control substrate and made of a polymer material, the microcell structure comprises a plurality of cell walls for defining a chamber filled with a colloidal solution, the cross-sectional width of the microcell wall decreases by one layer for each layer of the polymer stack.

This invention discloses a device and method for gradually scanning and processing current micro-areas of metal materials. The device comprises a PC control system, a current output system, a current micro-area processing device, a workpiece transfer device, a temperature measurement and control system, an insulation module, and a high-performance computer system. This device and process not only addresses the limitations of furnace chamber size and long heat treatment times in traditional heat treatment processes, but also enables precise control of the microstructure and properties of specific micro-areas of metal materials, significantly improving production efficiency, reducing production costs, and enhancing the overall performance of the product. The device and process can be used for industrial-scale production.

The invention relates to the technical field of isotope detection, in particular to a molecular emission spectrum-based isotope abundance and ratio detection device and a molecular emission spectrum-based isotope abundance and ratio detection method. The device comprises a computer, and a long pulse laser unit, a light path transmission unit, an LED illumination focusing unit, a three-dimensional displacement table and a spectrograph which are connected with the computer. Existing viewpoints consider that long-pulse laser is not beneficial to microcell excitation and high-resolution spectrum acquisition due to wide pulse width, so that the long-pulse laser is less applied to isotope fine spectral line difference identification. According to the invention, the signal intensity is enhanced in a breakthrough manner through a molecular emission cascade mechanism, the possibility of micro-area high-resolution isotope molecule detection is realized, and rapid, accurate and real-time in-situ detection of isotope abundance and ratio in a sample is realized by generating plasma and inducing a molecular emission spectrum through in-situ laser ablation. The device has the advantages of few optical elements, simple structure, convenient optical path adjustment, and facilitation of miniaturization and on-site application and popularization.

The invention provides a metamorphic rock boron enrichment mechanism comprehensive investigation system based on a micro-area in-situ technology. The system comprises a sample target preparation and characterization module, a combined micro-area in-situ analysis module, a data integration and processing module and a space-time correlation and evolution sequence reconstruction module which are connected in sequence. The method comprises the following steps: establishing a uniform space coordinate system, and sequentially calling an electronic probe, a laser ablation mass spectrum, an ion probe and other micro-area analysis instruments to carry out collaborative analysis on the same sample target to obtain data of mineral components, trace elements, boron isotopes and zircon U-Pb-Hf isotopes. The system carries out automatic fusion and mineral generation intelligent identification on multi-source data, couples a geochemical model and a machine learning algorithm, constructs a boron element geochemical behavior evolution sequence model taking absolute time as an axis, and realizes quantitative description of the whole process of source, migration and enrichment of boron in an open system. According to the method, the systematicness and the accuracy of the study on the boron enrichment mechanism of the metamorphic rock are remarkably improved.

The invention discloses a flexible micro-unit structure for suppressing flow noise. The flexible micro-unit structure comprises flexible micro-units which are arranged on an incoming flow starting section, a boundary layer development section, a structure geometric mutation area or an orifice edge on the surface of the structure and are arranged in an array; the flexible micro-units are made of flexible materials and can swing or bend under fluid excitation so as to achieve flow noise suppression. According to the flexible micro-unit structure, a micro-scale flexible structure with the multi-degree-of-freedom response capability and the adjustable turbulent flow function is constructed through bionic design, periodic elastic deformation can be generated under fluid excitation, the flow disturbance process is effectively intervened, the resonance problem caused by too large rigidity of a traditional rigid structure is avoided, and the flow disturbance efficiency is improved. The stability and the reliability of flow control are improved; according to the design method, the size parameters, the appearance form, the material type, the laying mode and the area range of the flexible micro-unit can be comprehensively determined according to the specific working condition environment and the target noise reduction frequency band, and parameterized noise reduction design suitable for the multi-working-condition flow field is achieved.