771 results about "Contact electrode" patented technology

The invention relates to the technical field of oil field reservoir research, in particular to a fracturing fracture imaging physical simulation method and system combined with non-uniform contact electrodes, and the method comprises the steps: carrying out the resistance modal detection at the current time step through a low-frequency excitation signal in the fracture propagation simulation process, and obtaining a corresponding electric signal; obtaining a conductive fluid distribution result of the rock core fracturing test piece at the current time step by using the conductive fluid distribution inversion model; and fitting and comparing the electric field distribution result of the current time step with the conductive fluid distribution result of the current time step, and outputting the fracture parameters and the conductive fluid distribution result of the rock core fracturing test piece at the current time step based on the fitting and comparison result. According to the method, the electrical property change caused by the natural fracture and the fluid contained in the natural fracture is directly sensed in situ, the electrical signal is acquired, the response delay is reduced, the conductive fluid distribution inversion model is constructed by combining prior knowledge and deep learning, and the precision and reliability of conductive fluid distribution inversion are effectively improved.

The invention discloses a multi-mode reconfigurable diamond solar-blind ultraviolet photoelectric transistor and a preparation method thereof, and aims to solve the problem of separation of sensing, storage and calculation frameworks of an existing artificial vision system. According to the diamond solar blind ultraviolet photoelectric transistor, a terminal is arranged on the surface of a diamond substrate, a first metal film layer is deposited on the upper surface of the diamond substrate to serve as a first contact electrode, the first contact electrode is Schottky contact, and a second contact electrode is a metal probe. The second contact electrode is in needle point contact with the upper surface of the diamond substrate, a second metal film layer is deposited on the lower surface of the diamond substrate to serve as a third contact electrode, and the third contact electrode is Schottky contact. According to the reconfigurable diamond solar blind ultraviolet photoelectric transistor, different functions of an avalanche detector, an optical memory, visual synapse and the like are integrated in one device, and large gain rising of the diamond detector and multi-mode intelligent sensing of a single device are achieved.

The invention relates to a preparation method of a local ITO interconnected perovskite-TOPCon laminated cell, which comprises the following steps: taking an n-type monocrystalline silicon wafer as a substrate, cleaning and texturing, diffusing boron on the back to form a P + emitter, oxidizing at high temperature, and treating the surface through acid etching and alkali polishing; sequentially preparing a tunneling oxide layer and a phosphorus-doped polycrystalline silicon layer on the front surface, annealing and crystallizing, depositing an aluminum oxide film and a multi-layer silicon nitride film on the back surface after cleaning, and depositing a single-layer silicon nitride film on the front surface; preparing a back metal electrode, etching according to a designed pattern to remove a local silicon nitride film on the front surface, sequentially preparing an ITO interconnection layer, a hole transport layer, a perovskite layer, a passivation layer, an electron transport layer and an ITO transparent conductive layer on the front surface, and finally preparing a front metal electrode and solidifying to form a contact electrode. According to the invention, the problems of back corrosion risk, effective area loss and tedious process in the existing method are solved, full-size manufacturing is realized, the cell performance is improved, and industrialization is easier.

A device structure includes a first series connection of a first phase change memory (PCM) switch and a second PCM switch. The first PCM switch includes a first heater line, a first PCM line, and a first contact electrode and a second contact electrode located on the first heater line. The second PCM switch includes a second heater line, a second PCM line, and a third contact electrode and a fourth contact electrode located on the second heater line. The second contact electrode is electrically connected to the third contact electrode. The fourth contact electrode is electrically grounded. One of the first contact electrode and the second contact electrode includes an radio-frequency (RF) signal input port. Another of the first contact electrode and the second contact electrode comprises an RF signal output port. The device structure may function as a combination PCM switch that decreases noise level during signal transmission.

The invention discloses a graphene intercalation-based black phosphorus photovoltaic detector and a preparation method thereof. The graphene intercalation-based black phosphorus photovoltaic detector comprises a low-resistance silicon / silicon dioxide substrate, a left contact electrode, a right contact electrode and a sandwich structure layer from bottom to top, the left contact electrode and the right contact electrode are deposited on the low-resistance silicon / silicon dioxide substrate, and a conducting channel structure is formed between the left contact electrode and the right contact electrode; the sandwich structure layer is a sandwich structure constructed by an upper black phosphorus film layer, a middle graphene intercalation layer and a lower black phosphorus film layer, and is located in the conductive channel as a photosensitive region; and the left contact electrode and the right contact electrode are respectively in Schottky contact connection with the upper black phosphorus film layer and the lower black phosphorus film layer. According to the graphene intercalation-based black phosphorus photovoltaic detector and the preparation method thereof, visible light and infrared light can be efficiently detected at the same time, and the graphene intercalation-based black phosphorus photovoltaic detector has the excellent characteristics of low dark current, quick response, high-sensitivity low-power-consumption detection and the like.

The invention discloses a method for preparing a boron nitride-gallium oxide thin film flexible dual-band ultraviolet solar blind detector through Van der Waals stripping, and aims to improve the comprehensive performance of the detector. The method comprises the steps of h-BN substrate pretreatment and surface modification, Sn gradient doped beta-Ga2O3 layer preparation, heterojunction interface passivation treatment, two-step Van der Waals stripping and flexible transfer, ohmic contact electrode preparation, gate type Schottky contact electrode preparation, post-treatment and packaging. According to the core, the interface state density is reduced through Al2O3 passivation, and carrier transport is optimized through Sn gradient doping, so that the detector achieves 200-280 nm dual-band response, the peak response rate is high, the response time is short, the leakage current is low, the flexible bending stability is good, high performance and flexibility are both considered, and industrial application can be achieved.

The invention discloses a sampling device for ICP-MS (Inductively Coupled Plasma Mass Spectrometry) in the technical field of instrumental analysis. The sampling device comprises a liquid inlet mechanism and an atomization mechanism, the liquid inlet mechanism is used for inputting a liquid sample into the atomization mechanism, the atomization mechanism comprises a concentric atomizer and an atomization chamber, the concentric atomizer is communicated with the atomization chamber, and the atomization chamber is communicated with a waste liquid barrel and an ICP torch pipe; a self-cleaning mechanism is arranged on a communication path of the concentric atomizer and the atomizing chamber, the self-cleaning mechanism comprises a movable cylinder, the movable cylinder is rotationally connected into a nozzle of the concentric atomizer, contact electrodes are symmetrically arranged in the movable cylinder, and when the movable cylinder is blocked, the contact electrodes form a path; the contact electrode is electrically connected with a torsion mechanism and a reverse blowing mechanism, the torsion mechanism is used for twisting the movable cylinder when the contact electrode forms a path, and the reverse blowing mechanism is used for intercepting carrier gas input into the concentric atomizer and reversely blowing the carrier gas out of a nozzle of the concentric atomizer. According to the invention, self-cleaning can be carried out when blockage occurs in the sample introduction process, and sample analysis interruption caused by blockage is reduced.

Disclosed is a battery module improved in efficiency of resistance welding and bonding reliability. The battery module includes a plurality of secondary batteries, each having electrode terminals; a module housing having an inner space configured to accommodate the plurality of secondary batteries; and a bus bar including a body portion having a metal plate configured to electrically connect the plurality of secondary batteries to each other and a connection portion extending from the body portion to contact the electrode terminal. Each of the first connection portion, the second connection portion, and the third connection portion has at least one welding point.

The invention provides a direct heating type reconfigurable intelligent metasurface based on a phase change material and a preparation method thereof, the metasurface is composed of a plurality of metasurface units arranged in an array mode, and each metasurface unit comprises a substrate, a first dielectric layer, a middle metal layer, a second dielectric layer and a phase change material layer which are sequentially arranged from bottom to top; the two sides of the phase change material layer are respectively provided with a metal patch of a metal radiation patch structure. A contact electrode is arranged in the substrate; the first dielectric layer and the second dielectric layer are insulating layers, a first vertical through hole and a second vertical through hole are further formed in the metasurface unit, the metal patch radiation structure and a contact electrode of the substrate form an electrical path flow through the first vertical through hole and the second vertical through hole, and the current flows through the phase change material layer to drive the phase change material to generate crystalline state / amorphous state conversion. And an equivalent conductive path, electromagnetic coupling strength or local impedance between the metal patch radiation structures is changed in different phase states.

According to one embodiment, a method of manufacturing a capacitor includes providing a substrate to be processed; providing a first conductive material portion on a main surface of a semiconductor substrate located in an opening; processing the conductive layer in a pattern shape by dry etching; providing a first contact electrode, a second contact electrode, and a second conductive material portion; performing dry etching to the first conductive material portion to disconnect electrical connection between a connection portion and the semiconductor substrate; and performing wet etching to the second conductive material portion to disconnect electrical connection between the first contact electrode and the second contact electrode.

A light emitting device may include: a substrate including a plurality of unit light emitting regions; and first to fourth insulating layers sequentially on the substrate. Each of the unit light emitting regions may include: at least one light emitting element on the first insulating layer, the at least one light emitting element having a first end portion and a second end portion in a length direction thereof; first and second partition walls on the substrate, and the first and second partition walls being spaced apart from each other; a first reflective electrode on the first partition wall and a second reflective electrode on the second partition wall; a first contact electrode on the first reflective electrode, the first contact electrode connecting the first reflective electrode and the first end portion of the light emitting element; a second contact electrode on the second reflective electrode, the second contact electrode connecting the second reflective electrode and the second end portion of the light emitting element; and a conductive pattern provided between the first insulating layer and the first contact electrode, the conductive pattern surrounding the first and second reflective electrodes when viewed on a plane.

The invention discloses a reinforced p-GaN enhanced gallium nitride device resistant to single-particle burnout and a preparation method thereof, and mainly solves the problems that a gallium nitride device is prone to single-particle burnout in a space radiation environment and is insufficient in reliability. Comprising a substrate, a nucleating layer, a buffer layer, a channel layer, a barrier layer and a p-GaN cap layer which are sequentially grown on the substrate, a grid electrode formed by etching, and a mixed source electrode and a mixed drain electrode which are respectively formed by a plurality of deep embedded electrode regions and a plurality of surface contact electrode regions which are alternately arranged and are positioned on two sides of the grid electrode, wherein the deep embedded electrode region comprises a deep embedded source electrode and a deep embedded drain electrode and penetrates through the barrier layer and the channel layer, and the bottom of the deep embedded electrode region is in metal contact with the buffer layer; the surface contact electrode region comprises a conventional source electrode and a conventional drain electrode, and the bottom of the surface contact electrode region is in metal contact with the barrier layer or the channel layer. Accumulation of carriers in a channel region can be effectively inhibited, the single-particle burning resistance of the device is remarkably improved, and the performance of the device is improved.

A lampshade structure includes a lampshade housing and a base. A circuit board is accommodated in an accommodation room of the lampshade housing. The circuit board is connected to two contact electrodes. The base has a lamp holder and a lamp disk. The lamp holder has two arc-shaped grooves for insertion of the contact electrodes. The arc-shaped grooves each have a large-diameter end and a small-diameter end. An electrically-conductive element connected to an external power source is embedded in the small-diameter end. During installation, a guide post in the accommodation cavity room is moved along a guide groove on the outer peripheral wall of the lamp disk, and each contact electrode is energized by contacting the corresponding electrically-conductive element after sliding the guide post into place, so as to achieve quick installation and disassembly.

An electrode apparatus for nerve denervation or modulation in vivo includes a main body including a shaft; an electrode unit formed to be drawn out from one end of the shaft and configured to denervate or modulate at least part of nerves on a tube in a body; an electrode guide coupled to the end of the electrode unit and configured to guide the electrode unit to be brought into contact with the tube in the body; an electrode guide driving unit configured to move the electrode guide in forward and backward directions; and an electrode driving unit configured to move the electrode guide in the forward and backward directions in conjunction with the electrode guide driving unit. The electrode driving unit includes a tensile force maintenance unit connected to one end of the electrode unit and configured to provide a tensile force to the electrode unit; and a moving unit that moves in the forward direction until the electrode guide is transitioned to a first state in a state where the moving unit is connected to the tensile force maintenance unit, and then is disconnected from the tensile force maintenance unit and further moves in the forward direction until the electrode guide is transitioned to a second state.

The invention relates to the technical field of cognitive impairment noninvasive screening, and discloses a cognitive impairment noninvasive screening system and method.The system comprises a physiological sensing end, a feature collaboration end, an intelligent decision-making end and a visual report end, by arranging the physiological sensing end, 5-meter-distance non-contact detection is achieved, the feature collaboration end is connected with the intelligent decision-making end, and the visual report end is connected with the feature collaboration end; discomfort and signal interference caused by a traditional contact type electrode are avoided; the problem of asynchronous data fusion is solved by setting a feature collaboration end; according to the method, the dependence of traditional screening on contact equipment and professionals is broken through, high-precision and low-cost cognitive impairment general screening is realized, and the method is suitable for community medical treatment and family health monitoring scenes.

Provided are a display device and a method for manufacturing same. A display device, according to one embodiment of the present invention, comprises: a substrate; a pixel electrode disposed on the substrate; an organic film disposed on the pixel electrode; and a light-emitting element disposed on the organic film. The light emitting element comprises: a semiconductor stack; a protective film disposed on a side surface of the semiconductor stack; and a contact electrode disposed on the protective film. A portion of the side surface of the semiconductor stack is exposed without being covered by the contact electrode, and the contact electrode is disposed spaced apart from the top surface of the semiconductor stack.

According to an embodiment, a pixel may include a first area and a second area partitioned in a first direction, (1-1)-th and (2-1)-th electrodes disposed in the first area and spaced apart in a second direction different from the first direction, (1-2)-th and (2-2)-th electrodes disposed in the second area and spaced apart in the second direction, light emitting elements disposed between the (1-1)-th and (2-1)-th electrodes and between the (1-2)-th and (2-2)-th electrodes, a contact electrode disposed on the (1-1)-th and (2-1)-th electrodes and the (1-2)-th and (2-2)-th electrodes, an insulating layer disposed between each of the (1-1)-th and (2-1)-th electrodes and the (1-2)-th and (2-2)-th electrodes, and the contact electrode, and including a first opening exposing a portion of the (1-1)-th electrode; and a first intermediate electrode electrically connecting the contact electrode on the (2-1)-th electrode and the contact electrode on the (1-2)-th electrode.

The invention discloses a display device. The present disclosure includes: a substrate; a circuit layer disposed on the substrate; a plurality of banks disposed on the circuit layer; a plurality of light emitting elements disposed on the bank and each having a first electrode and a second electrode; a contact electrode disposed on the bank to be electrically connected with the first electrode and having a contact opening; and an optical layer covering side surfaces of the plurality of light emitting elements and the contact electrode and having a contact hole in a contact opening of the contact electrode, in which the contact electrode is electrically connected with the second electrode through the contact hole of the optical layer without the transparent conductive layer.

The disclosure discloses a display device including a substrate, a circuit layer disposed on the substrate, and a plurality of banks disposed on the circuit layer. A plurality of light-emitting elements is disposed on the banks, each having a first electrode and a second electrode. A contact electrode is disposed on the bank and is electrically connected to the first electrode. The contact electrode includes a contact opening. An optical layer covers side surfaces of the plurality of light-emitting elements and the contact electrode, and includes a contact hole aligned with the contact opening of the contact electrode. The contact electrode is electrically connected with the second electrode through the contact hole of the optical layer. A transparent conductive layer is not present in the region of electrical connection between the contact electrode and the second electrode. This structure improves adhesion and maintains the structural integrity of the optical layer.

The invention provides a miniaturized ear stud type positioning device based on a hybrid power supply system and an active signal enhancement technology, and belongs to the technical field of pet positioning. Comprising a titanium alloy shell, a zirconia ceramic wave-transparent layer is arranged on the inner wall of the titanium alloy shell, a magnetic type ear stud and a safety contact electrode are arranged outside the titanium alloy shell, a transparent nanowire solar film electrically connected with the safety contact electrode is arranged on the surface of the magnetic type ear stud, and a communication layer, a processing layer and a hybrid power supply layer are arranged in the titanium alloy shell. The communication layer comprises a UWB / BLE dual-mode antenna array, an IMU inertial navigation module and a signal processing FPGA module. According to the invention, the problem of long-acting power supply of the micro equipment in a continuous positioning mode can be solved, the cruising ability is high, and the signal transmission reliability in a complex indoor environment (the positioning success rate gt; 95%), the signal penetrability is better, non-sensitive wearing is achieved through the ear stud type design, wearing comfort is achieved, the functions are rich, and positioning-health monitoring integration is achieved by integrating a multi-mode sensor.

A light emitting device may include: a substrate including a plurality of unit light emitting regions; and first to fourth insulating layers sequentially on the substrate. Each of the unit light emitting regions may include: at least one light emitting element on the first insulating layer, the at least one light emitting element having a first end portion and a second end portion in a length direction thereof; first and second partition walls on the substrate, and the first and second partition walls being spaced apart from each other; a first reflective electrode on the first partition wall and a second reflective electrode on the second partition wall; a first contact electrode on the first reflective electrode, the first contact electrode connecting the first reflective electrode and the first end portion of the light emitting element; a second contact electrode on the second reflective electrode, the second contact electrode connecting the second reflective electrode and the second end portion of the light emitting element; and a conductive pattern provided between the first insulating layer and the first contact electrode, the conductive pattern surrounding the first and second reflective electrodes when viewed on a plane.

An electroluminescence display apparatus includes a substrate including a plurality of subpixel areas including an emission area and a non-emission area surrounding the emission area and a cathode contact area located on at least one side between the plurality of subpixel areas, a planarization layer disposed on the substrate and configured to overlap each of the emission area and the cathode contact area, a light emitting device disposed on the planarization layer and configured to overlap the emission area, and including a pixel electrode and a cathode electrode facing the pixel electrode, and a cathode contact electrode formed on the planarization layer and formed to overlap at least a portion of the non-emission area, wherein the cathode contact electrode includes one side surface exposed toward the cathode contact area, and the cathode electrode is in contact with the one side surface of the cathode contact electrode.

A light emitting device includes a substrate including a roughened surface; a light emitter disposed on the substrate, which includes a first conductivity layer; and a mesa disposed on a partial region of the first conductivity layer. An ohmic electrode can be disposed on the mesa; and a contact electrode can be disposed on the first conductivity layer. The light emitting device further includes a first reflection layer; a first pad electrode and a second pad electrode; and a second reflection layer. The first reflection layer covers at least a portion of the light emitter, the ohmic electrode and the contact electrode. The second reflection layer is disposed on an opposite side of the substrate.

The invention discloses a sodium-ion battery electrolyte and a sodium-ion battery, and relates to the technical field of sodium-ion batteries. The novel organic anion sodium salt taking conjugated estrogen as a parent nucleus is used as an additive, so that a formed CEI interface film has high sodium ion conductivity and good toughness, the interface impedance of the battery is reduced, and the electrochemical performance of the sodium ion battery is improved; in the formation process, due to the fact that additive molecules form a self-assembly adsorption layer on an interface, solvent molecules cannot make contact with an electrode, the solvent molecules are prevented from participating in formation of CEI, the gas production rate of the battery can be reduced, and the cycling stability and safety of the sodium-ion battery can be improved.

The invention discloses a vibration sensor with a mechanically oscillating unit (1), a housing (3), and a transducer device (2) comprising a transmitter component (20) and a receiver component (21), and bounded at its end face by two insulating disks (23). Of at least three contact electrodes (9, E+, S+, GND1, GND2, GND), two serve to transmit the excitation and reception signals. A third contact electrode (GND1, GND2, GND) serves to connect to a ground potential or the housing (3). Each contact electrode (9, E+, S+, GND1, GND2, GND) has a base (90) and a contact tab (91). The base (90) is designed as a flat disk with a crescent-shaped outer contour (92), the outer contour (92) consisting of a partial circular contour (93) and an inwardly projecting, smoothly sloping recessed section (94).

The display device is provided. The display device comprises contact electrodes disposed on a substrate, light-emitting elements disposed on the contact electrodes, and an insulating layer defining emission areas corresponded to the light-emitting elements. The light-emitting elements comprise a first light-emitting element that emits a first light having a blue color, a second light-emitting element that emits a second light having a green color, and a third light-emitting element that emits a third light having a red color. A width of the first light-emitting element is greater than a width of the second light-emitting element. The width of the first light-emitting element is greater than a width of the third light-emitting element.

A temperature sensing apparatus having an electrode with an associated redox-active polymer. The electrode is connected to circuitry which applies an interrogating electrical potential waveform. The circuitry measures an electrical current resulting from application of the electrical potential waveform. The measured electrical current is processed to determine the temperature of a solution contacting the electrode. The apparatus may further comprise an analyte sensing redox-active polymer for sensing the amount of an analyte in the solution.

Provided are a display device and a method for manufacturing same. A display device according to an embodiment may comprise: a substrate; a pixel electrode and a common electrode disposed on the substrate; first and second reflective electrodes disposed on the pixel electrode and the common electrode, respectively; first and second sacrificial electrodes disposed on the first and second reflective electrodes; an organic layer disposed on the first and second sacrificial electrodes; a light-emitting element disposed on the organic layer and including a semiconductor stack and first and second contact electrodes; a first connection electrode connecting the pixel electrode and the first contact electrode through a first connection hole formed in the organic layer and the first sacrificial electrode; and a second connection electrode connecting the common electrode and the second contact electrode through a second connection hole formed in the organic layer and the second sacrificial electrode.

[Problem] To provide a heating coil capable of efficiently quenching a workpiece in a short time, and controlling the depth of a cured layer produced by quenching the workpiece for each height position in accordance with the shape of the workpiece. [Solution] This heating coil (1) comprises: ground parts (2a, 2b) for attaching to an electrode; a pair of support parts (3a, 3b) which are respectively orthogonal to the ground parts (2a, 2b) and are arranged so as to face each other in parallel with each other, and in which distal-end portions are vertically branched; a circumferential upper heating part (4α) which is provided so as to connect the upper-side distal ends of the support parts (3a, 3b); and a circumferential lower heating part (4β) which is provided so as to connect the lower-side distal ends of the support parts (3a, 3b) to each other. A heat release part (R) is formed so as to protrude outward in an upper-side branch portion of the left support part (3a), and a high-frequency current from the ground parts (2a, 2b) is supplied to the upper heating part (4α) via the heat release part (R). [Selected Drawing] Figure 1

This application provides an ultrasonic sensor, its manufacturing method, and an ultrasonic testing device. The ultrasonic sensor includes a piezoelectric unit, a first contact electrode, a second contact electrode, a first bent wire, a first external structure, a second bent wire, a second external structure, and a flexible encapsulation. The first contact electrode is connected to a first surface of the corresponding piezoelectric unit, and the second contact electrode is connected to a second surface of the corresponding piezoelectric unit. The flexible encapsulation covers the piezoelectric unit, the first contact electrode, and the second contact electrode. The first contact electrode is electrically connected to the first external structure via the first bent wire, with at least a portion of the first external structure exposed within the flexible encapsulation. The second contact electrode is electrically connected to the second external structure via the second bent wire, with at least a portion of the second external structure exposed within the flexible encapsulation. This design allows for greater flexibility in the ultrasonic sensor, facilitating wider application scenarios.