105894 results about "Electrode" patented technology

The present disclosure provides electrophoretic systems, methods and compositions for spatial analysis, which can serve to magnify or demagnify spatial resolution of analytes of interest that are captured using electrophoresis. Some implementations can use a diverging or converging electric field in an electrophoretic capture system. Such a divergent or convergent electric field, as opposed to a parallel electric field, can be generated by, for example, utilizing different sizes of electrodes associated with or imbedded in substrates. Also provided herein are electrophoretic systems, methods and compositions for spatial analysis, which can serve to selectively migrate one or more analytes from a region of interest in the biological sample for capture using electrophoresis.

The embodiment of the invention provides a display panel and a driving method thereof, a driving module and a display device, the display panel comprises at least two partitions, at least two first power supply voltage signal lines and at least two first initialization signal lines, one partition comprises at least one sub-pixel, and the sub-pixel comprises a light-emitting element; the first initialization signal lines connected with the first electrodes of the light-emitting elements in the at least two subareas are different, the second electrodes of the light-emitting elements in the at least two subareas are insulated from each other, and the first power supply voltage signal lines connected with the second electrodes of the light-emitting elements in the at least two subareas are different. The first initialization signal line is used for transmitting a first initialization signal for initializing a first electrode of the light-emitting element, and the first power supply voltage signal line is used for transmitting a negative power supply voltage signal. According to the embodiment of the invention, the initial cross-voltage value difference and the brightness difference of the light-emitting elements in different partitions can be reduced.

An electrosurgical instrument comprising an end effector is disclosed. The end effector comprises a first jaw and a second jaw. The first jaw comprises a first electrode. The end effector is movable from an open configuration to a closed configuration to grasp tissue. The second jaw comprises a second electrode configured to deliver a first monopolar energy to the tissue, a third electrode, and a conductive circuit selectively transitionable between a connected configuration with the third electrode and a disconnected configuration with the third electrode. In the connected configuration, the third electrode is configured to cooperate with the first electrode to deliver bipolar energy to the tissue. The conductive circuit defines a return path for the bipolar energy. In the disconnected configuration, the first electrode is configured to deliver a second monopolar energy to the tissue.

The invention relates to a closed-loop multi-guide multi-mode time domain interference electrical stimulation system and method. The method comprises the steps that a software part determines stimulation parameters; the automatic electrode position adjusting device adjusts the spatial position of the multi-conductive-electrode device, and the multi-conductive-electrode device stimulates the position of a target spot; the current output precision and impedance monitoring module monitors the precision and impedance information of electrode output current, and the core main control and functional circuit module adjusts a control signal according to the precision and impedance information; when the multi-conducting-electrode device conducts stimulation, the electroencephalogram device synchronously collects electroencephalogram signals and uploads the electroencephalogram signals to the electroencephalogram analysis algorithm module of the software part, the electroencephalogram analysis algorithm module evaluates and feeds back the effectiveness and the effect of stimulation, and the time domain interference electrical stimulation function module and the target area dynamic adjustment algorithm module optimize stimulation parameters according to the effectiveness and the effect of stimulation. Through the arrangement, a real-time closed-loop feedback control system is formed, continuous monitoring, real-time optimization and adjustment of electrical stimulation parameters and dynamic adjustment of a stimulated brain target region are realized, and the accuracy and safety of current output are ensured.

The present disclosure provides electrophoretic systems, methods and compositions for spatial analysis, which can serve to magnify or demagnify spatial resolution of analytes of interest that are captured using electrophoresis. Some implementations can use a diverging or converging electric field in an electrophoretic capture system. Such a divergent or convergent electric field, as opposed to a parallel electric field, can be generated by, for example, utilizing different sizes of electrodes associated with or imbedded in substrates. Also provided herein are electrophoretic systems, methods and compositions for spatial analysis, which can serve to selectively migrate one or more analytes from a region of interest in the biological sample for capture using electrophoresis.

The present disclosure relates to systems, devices, and methods for electroporating. In an embodiment, the present disclosure relates to an electroporation system, comprising at least one electroporation chamber, each electroporation chamber comprising a first electrode and a second electrode, a plurality of ports comprising an inlet port at a first portion of each electroporation chamber, and an outlet port at a second portion of each electroporation chamber, a fluid conduit arranged between the first electrode and the second electrode, the fluid conduit being in fluid communication with the inlet port and the outlet port, and an automated system for electroporation operatively connected to the first electrode and the second electrode of the at least one electroporation chamber.

A light therapy device comprises a flexible casing made with flexible silicone material. A Flexible Printed Circuit Board (FPCB) is installed over a front portion of the flexible casing. The FPCB comprises a plurality of stimulation elements and at least one pair of primary electrodes for therapeutic and recreational purpose. A detachable controller is attached over a back portion of the flexible casing. The controller comprises at least one pair of secondary electrodes, a rechargeable battery, and a user interface. The at least one pair of secondary electrodes engages with the at least one pair of primary electrodes to transmit the power from the rechargeable battery to the FPCB. Further, a flexible diaphanous sheet mounted over the FPCB through which the light therapy is provided to a user.

The invention relates to the technical field of MOS semiconductors, and discloses a variably doped planar gate silicon carbide VDMOS device and a preparation process thereof, the variably doped planar gate silicon carbide VDMOS device comprises a plurality of MOS cells which are parallel to each other, and each MOS cell comprises a drain electrode, a semiconductor epitaxial layer, a source electrode and a grid electrode; the semiconductor epitaxial layer comprises an N substrate layer, an N drift layer, a P + layer, an N well layer and a P well layer, and a lightly doped N layer is arranged in the middle of the N drift layer of a single MOS cell; lateral symmetric P-layers are arranged in the single MOS cell and located on the left side and the right side of the N drift layer, and the section contours of the corresponding sides of the lateral symmetric P-layers on the two sides are in an arc shape. By arranging the lightly doped N layer in the middle of the N drift layer and introducing the arc-shaped laterally-symmetrical P-layers to the two sides, the electric field distribution of the device is optimized, the local electric field concentration is reduced, the breakdown voltage is remarkably improved, and the charge balance capability is enhanced and the leakage current is reduced through the contact between the laterally-symmetrical P-layers and the N substrate layer.

The disclosure relates to a CFET device (100) comprising: a bottom FET device (130) and a top FET device (140) stacked on top of the bottom FET device (130), the bottom FET device (130) comprising a bottom channel nanostructure (132) and a bottom gate electrode (134) comprising a side gate portion (134a) arranged along a first side surface (132a) of the bottom channel nano structure, and the top FET device (140) comprising a top channel nanosheet (142) and a top gate electrode (144) configured to define a tri-gate with respect to the top channel nanosheet and comprising a side gate portion (144b) arranged along a second side surface (142b) of the top channel nanosheet, wherein the side gate portion (134a) of the bottom gate electrode (134) defines a via contact portion protruding outside the top gate electrode (144) and the first side surface (142a) of the top channel nanosheet (142); and atop gate contact via (146) for coupling the top gate electrode (144) to a first conductive line (124) over the top FET device (140) and a bottom gate contact via (136) for coupling the via contact portion (134a) of the bottom gate electrode (134) to a second conductive line (128) over the top FET device (140).

Systems and methods are provided herein for monitoring electrical activity in ex vivo, resting donor organs. Systems and methods provided herein also include providing electrical stimulation to the donor tissue to maintain or increase viability during storage or transport. Donor organs can include ex vivo, resting hearts. Electrical activity can be used to determine donor organ viability, especially in instances where visual evaluation of a beating heart is not possible. The same electrodes or other sensing devices used to measure electrical activity can be used to apply a voltage / current to the tissue as well in order to maintain viability of the organ. In some embodiments, stimulation or depression may be provided in response to the measured electrical activity.

The invention provides a display module and electronic equipment. The display module comprises a display driving integrated circuit and a display panel, the display panel includes: an array substrate; the plurality of isolation structures are located on one side of the array substrate, and an isolation opening is defined by the isolation structures; the isolation structure has conductivity; the plurality of isolation structures are divided into at least two groups, and the isolation structures in different groups are electrically isolated from each other; the display driving integrated circuit is respectively connected with each group of isolation structures, and the display driving integrated circuit is used for providing an independent common voltage for each group of isolation structures according to a received display brightness value instruction. According to the embodiment of the invention, under the condition that the isolation structure is arranged to realize the independence of the common electrode of each sub-pixel, the independent common voltage is provided for different groups of sub-pixels through the display driving integrated circuit, so that the common voltage can be configured more flexibly for the sub-pixels made of different materials, and the overall energy consumption of the display module is reduced.

Described herein are systems and methods for implementing a power source for a shock wave catheter system, the power source including two separate voltage sources: a bubble generation voltage source and an arc generation voltage source. In one or more examples, the power source can be configured such that the bubble generation voltage source provides a lower voltage to a pair of electrodes of the shock wave catheter system. The lower voltage can be configured to induce electrolysis of a fluid that surrounds the pair of electrodes of the shock wave catheter system for generating and growing a bubble. Once a bubble has formed, the arc generation voltage source can then be engaged to provide a high-voltage electrical pulse to the electrodes of the shock wave catheter system, thereby generating an arc (i.e., spark) across the electrodes.

The present invention relates to an electrode drying apparatus and an electrode drying method, and the electrode drying apparatus includes: an oven configured to provide a space in which the electrode is dried and to include a hot air nozzle or an infrared heater; a color coordinate measuring unit configured to be positioned at an outlet of the oven and measure a color coordinate value of an electrode active material layer with respect to the dried electrode; and a controller configured to analyze a drying result of the electrode from the color coordinate value, determine whether the electrode is defective in drying, and control a drying condition of the electrode.

An acoustic wave device includes a support, a piezoelectric layer on the support, and an IDT electrode including first and second electrode fingers. When a thickness of the piezoelectric layer is d and a center-to-center distance of the first and second electrode fingers adjacent to each other is p, d / p is less than or equal to about 0.5. When an imaginary line connecting tips of the first electrode fingers is an envelope, a direction in which the envelope extends and the direction of the Y-axis intersect each other, and about 9°≤|α|≤about 14° is satisfied, where |α| is an absolute value of a slant angle α. The slant angle α is an angle of a corner defined by the direction in which the envelope extends and the direction of the Y-axis and is an angle other than 0°.

Described herein are variations of an analyte monitoring system, including an analyte monitoring device. For example, an analyte monitoring device may include an implantable microneedle array for use in measuring one or more analytes (e.g., glucose), such as in a continuous manner. The microneedle array may include, for example, at least one microneedle including a tapered distal portion having an insulated distal apex, and an electrode on a surface of the tapered distal portion located proximal to the insulated distal apex. At least some of the microneedles may be electrically isolated such that one or more electrodes is individually addressable.

Disclosed in the present invention are a method, apparatus and device for detecting an electrode pole defect of a lithium battery, and a storage medium. The method comprises: acquiring a depth map and a 2D grayscale map of an electrode pole, wherein the size of the depth map is the same as that of the 2D grayscale map; performing equalization processing on the depth map to obtain a first image; performing filtering processing and edge detection on the first image to obtain an electrode pole region; according to an edge profile coordinate point of the electrode pole region, locating a detection position corresponding to the 2D grayscale image, so as to obtain a detection region; and detecting different types of defects in the detection region by means of a preset defect detection algorithm, so as to obtain a defect detection result. The detection quality can be improved, the detection speed can be ensured, the requirements of the industry for electrode pole inspection of lithium batteries can be satisfied, and the quality inspection requirements of the new energy industry for electrode pole inspection of lithium batteries can be met.

The invention provides a self-adaptive error compensation method and system for focused ion beam equipment, and the method comprises the steps: obtaining a real-time error signal set generated by the focused ion beam equipment in a machining process, training a self-adaptive error compensation model according to the real-time error signal set, and generating an error compensation parameter set; inputting the error compensation parameter set into a control unit of the focused ion beam equipment, and generating a real-time compensation control instruction set; adjusting an ion source parameter and a deflection electrode voltage parameter of the focused ion beam equipment according to the real-time compensation control instruction set, and outputting an adjusted ion beam path parameter set; and performing ion beam processing on the target processing area according to the adjusted ion beam path parameter set, and monitoring morphology feature data of the processed area in real time to verify an error compensation effect. According to the invention, harmful effects caused by thermal effects, electric fields or magnetic fields can be eliminated, and the self-adaptability and long-term reliability of a compensation strategy are ensured.

The embodiment of the invention provides a pixel circuit and a display module, and relates to the field of display panels. The pixel circuit comprises a driving module which is electrically connected with a first electrode of a light-emitting element and is used for driving the light-emitting element to emit light; the first end of the shunt branch is electrically connected with the first electrode of the light-emitting element, the second end of the shunt branch is electrically connected with a first reference voltage signal line, and the shunt branch is used for transmitting part of driving current provided by the driving module to the first reference voltage signal line. According to the pixel circuit and the display module provided by the embodiment of the invention, the problem that the display brightness of a display panel is not uniform can be fully improved, so that the display effect and the use performance of the display panel are effectively improved.

The invention provides a device for generating shock waves. The device may comprise an elongated tube and a conductive sheath circumferentially mounted around the elongated tube. The device may further comprise first and second insulated wires extending along the outer surface of the elongated tube. A portion of the first insulated wire is removed to form a first inner electrode, which is adjacent to a first side edge of the conductive sheath. A portion of the second insulated wire is removed to form a second inner electrode, which is adjacent to a second side edge of the conductive sheath. Responsive to a high voltage being applied across the first inner electrode and the second inner electrode, a first shock wave is created across the first side edge and the first inner electrode, and a second shock wave is created across the second side edge and the second inner electrode.

Various implementations of electrophoretic systems and instruments are provided to improve electrophoresis and ease of use. Various electrophoretic systems and instruments utilize different electrode designs that can result in uniform electromigration of analytes. The electrophoretic systems and instrumentations optimize the size and / or location of electrodes relative to a sample, thereby increasing uniformity of electric field and reducing or minimizing drift of analyte migration. In addition, the electrophoresis systems and instruments provide a solution to conveniently check for electrical connections in the systems and instruments, and alert users of potential improper electrical connections, prior to performing electrophoresis.

Embodiments of substrate supports having electrostatic chucks (ESCs) for use in substrate process chambers are provided herein. In some embodiments, a substrate support includes: an electrostatic chuck (ESC) having a top surface and a plurality of mesas extending upward from the top surface, wherein an upper surface of the plurality of mesas define a substrate support surface, wherein a total surface area of the substrate support surface is about 18 to about 40 percent a total surface area of the upper surface, and wherein the ESC includes a plurality of backside gas openings extending through the ESC; and one or more chucking electrodes disposed in the ESC.

An organic EL (Light-Emitting) device is provided that includes at least two subpixels, including a first subpixel and a second subpixel. The first subpixel includes a first electrode, a first organic compound layer with first side surfaces, a first light-emitting layer that emits light of a first color, a second electrode, and a first film covering the first side surfaces with a specified thickness. The second subpixel includes a third electrode, a second organic compound layer with second side surfaces, a second light-emitting layer that emits light of a second color different from the first, a fourth electrode, and a second film covering the second side surfaces with a different thickness from the first film. The first electrode, the first organic compound layer, and the second electrode are stacked in a direction. The first subpixel is spaced apart from the second subpixel on a plane perpendicular to the direction.

An electronic device for long-term adhesion to a mammal includes a housing with an electronic component. The electronic device may include a first wing and a second wing, each being integrally formed with the housing. An electrode is positioned on a bottom surface of each of the wings, the electrodes electrically connected to the electronic component. An adhesive layer is provided for adhesion to a surface of the mammal. The adhesive layer may cover a portion of the bottom surfaces of the wings but generally does not cover the electrode or a bottom surface of the housing. A method of applying an electronic device to a mammal includes removing first and second adhesive covers from first and second wings of the electronic device to expose an electrode and an adhesive coated on a bottom surface of each wing.

The invention relates to the technical field of process parameter design, and discloses a silver electrolysis process parameter design method and system based on multi-objective optimization. The method comprises the following steps: performing differential time sequence parameter decomposition on operation data of the silver electrolysis process to obtain a sensitive parameter set and a reference parameter set; performing reweighted periodic feature extraction on the sensitive parameter set and the reference parameter set, and establishing a dynamic mathematical model of the silver electrolysis process parameters; based on the dynamic mathematical model of the silver electrolysis process parameters, physical and chemical process numerical simulation is conducted through COMSOLMultiphysics software, and a response curved surface model is obtained; and according to the response curved surface model, a process parameter combination evaluation value sequence is generated, silver electrolysis process parameter multi-objective optimization is carried out based on the process parameter combination evaluation value sequence, and a silver electrolysis process parameter optimization scheme is output. According to the application, multi-physical-field collaborative simulation of electrode reaction, ion transmission, heat conduction and the like is realized, and performance index responses under different process parameters are accurately predicted.

The present invention provides methods, devices, and systems for in vivo treatment of cell proliferative disorders. Included is a method of treating tissue with electrical energy, the method comprising: delivering electrical energy to tissue using one or more electroporation devices comprising one or more electrodes; and cooling the tissue, surrounding tissue, one or more of the electrodes, or one or more of the electroporation devices to minimize heating. In embodiments, the invention can be used to treat solid tumors, such as brain tumors, and in some embodiments, exemplary methods rely on non-thermal irreversible electroporation (IRE) to cause cell death in treated tumors.

The invention discloses an electrophysiology and hemodynamics multi-mode intelligent wearable system and a data evaluation method, and belongs to the technical field of biomedical engineering, the system comprises an optical module, a flexible stretchable electric signal module and a central module; the optical module is used for collecting hemodynamic signals including an oxyhemoglobin change signal, a deoxygenated hemoglobin change signal and a pulse wave signal by combining a near-infrared light signal with hemodynamics; the flexible stretchable electric signal module collects electric signals, including electroencephalogram signals, electromyographic signals, electrocardiosignals and electro-oculogram signals, of all parts through electrodes; the central module is used for digitalizing and preprocessing the hemodynamic signal and the electric signal of each part, fusing multi-modal data, evaluating data quality and predicting a dominant external event influencing the data quality; and meanwhile, data quality and dominant external events are output to the terminal to feed back and adjust acquisition parameters of the optical module and the flexible stretchable electric signal module, so that the effectiveness and practicability of monitoring are remarkably improved.

The present invention relates to the field of semiconductor manufacturing technology, and in particular to a copper sheet bonding device for punching and feeding semiconductor devices and an assembly method thereof. The tray feeding and gluing device of the mounting equipment provides a copper frame with a first chip and a second chip mounted thereon, and glue is applied to the two pins of the copper frame, the source of the first chip and the second chip, and glue is applied to the gate of the first chip; the jumper punching and feeding device, the jumper mounting device, the image detection mechanism and the unloading mechanism of the mounting equipment respectively complete the punching of the flat strip to form two independent jumpers, and unload the materials after the jumper mounting device completes the mounting. The advantage of the present invention is that two independent jumpers are punched out by the punching and feeding device, and the copper frame is used as a substrate, and two jumper clips are used to interconnect the power semiconductor chip electrodes with the lead-out pins of the copper frame, and the copper sheet bonding reduces chip damage and increases the chip carrying power.

The invention discloses a solar photovoltaic panel cleaning method and device based on a multi-mode cleaning technology, which can plan a traversal path according to parameters of a photovoltaic panel, primarily remove dust by using a wind blowing and ultrasonic vibration form, plan an energy-saving cleaning path for still existing cleaning points, and improve the cleaning efficiency of the photovoltaic panel. And secondary cleaning is conducted along the cleaning path, dust is adsorbed and cleaned through an electric field generated by the electrode plate, meanwhile, the output parameter set is trained and optimized through a trained deep learning model through input parameters extracted in real time, optimal cleaning parameters are obtained, and intelligent cleaning is achieved.

An acoustic wave device includes acoustic wave resonators each including a support substrate, a piezoelectric body layer, and a functional electrode. The support substrate includes a cavity portion overlapping a portion of the functional electrode in a first direction. The cavity portion is connected to an opening in a portion of the support substrate facing the piezoelectric body layer. The acoustic wave resonators include a first resonator and a second resonator with a larger intersecting width of the functional electrode than the first resonator. A taper angle of the first resonator is larger than a taper angle of the second resonator.

The invention discloses an intelligent preparation and coating method for lithium battery electrode slurry in the technical field of information, which comprises the following steps: acquiring particle size distribution, specific surface area and chemical composition attribute parameters of a lithium battery electrode slurry raw material, and establishing a quantitative relation model among the slurry component proportion, rheological property and stability through an autonomous learning algorithm; adjusting the component proportion by adopting a dynamic optimization algorithm to obtain a slurry formula meeting a target attribute; feature extraction and classification are performed on the constructed data set, a decision tree algorithm is adopted to train and generate optimization rules and judgment logic of slurry preparation process parameters, a preparation process knowledge base is formed, and autonomous optimization of the process parameters is realized; aiming at the coating quality problem, slurry preparation process parameters are traced and analyzed, collaborative optimization of a slurry formula, a preparation process and coating parameters is realized through a human-computer interaction interface, and the production efficiency and the yield are improved while the electrode performance is ensured.