439 results about "Conductive filament" patented technology

The invention discloses an angle-adjustable spine blood coagulation electrode which comprises a tool bit assembly, a fixed body and a movable wire clamp. The tool bit assembly comprises an insulating rod, an inner tube and an outer tube, two electrodes which are insulated and separated are arranged at one end of the insulating rod, each electrode is connected with a conductive wire, and each conductive wire penetrates through the other end of the insulating rod and is connected with a cable; a first cavity and a second cavity which are communicated are formed in the fixing body, a steel pipe chuck and a screw cap are fixed to the other end of the first cavity, and a first handle and a second handle are arranged outside the fixing body. A reset spring is arranged in the first cavity; the movable wire clamp comprises a small-diameter section and a large-diameter section, and a third handle is arranged outside the movable wire clamp. The scalpel head can axially stretch out and draw back and circumferentially rotate to adjust the angle of the scalpel head through a single hand, the operation range is small, the scalpel head rotates more gently, use is more convenient, and the requirement for multi-angle blood coagulation in a spinal operation can be met.

A series connection method of back contact battery pieces belongs to the field of solar battery preparation, and is characterized by comprising the following steps: printing UV glue on the surfaces of the back contact battery pieces; conductive wires are arranged on the surfaces of the battery pieces needing to be connected in series; an ultraviolet lamp is turned on for irradiation, so that the UV glue is cured, and a back contact cell string is prepared; laying an adhesive film protection layer on the surface of the battery string; laminating the battery strings, and pressing the conductive wires on the surfaces of the battery pieces; and the conductive wires are in ohmic contact with a to-be-conducted area on the surface of the battery piece. The narrow conductive wires are adopted, the double-sided rate of the module is high, the generating capacity of the module can be effectively improved, and the LCOE of the system is reduced; the UV glue is used for fixing the conductive wires, so that the problem that the conductive wires deviate on the surfaces of the battery pieces in the lamination process and the long-term use process of the assembly can be avoided, and the short-circuit risk of the conductive wires is reduced; crimping or welding is achieved in the laminating process, battery string bending caused by high-temperature welding is avoided, and meanwhile the pseudo soldering problem is avoided.

The invention provides a flexible braided electrode and an electrochemical polishing method for a complex inner channel, and belongs to the technical field of electrochemical machining. The flexible braided electrode is formed by mutually braiding a plurality of flexible conductive wires and a plurality of flexible insulating wires according to a certain interval, the diameter of the insulating wires is larger than that of the conductive wires, and steps with a certain height are naturally formed between the insulating wires and the conductive wires, so that short-circuit burn caused by contact between the conductive metal wires and an inner channel can be avoided, mass transfer can be enhanced, and product discharge can be accelerated; the flexible woven electrode is of a hollow net-shaped cylindrical structure, internal and external compound flushing can be achieved, and the flushing effect is improved. During polishing, the flexible braided electrode can be bent and deformed in a bent inner channel in a self-adaptive manner, internal and external compound flushing is performed by utilizing the internal and external through characteristic, and electrochemical polishing of the complex inner channel is realized by combining rotation and reciprocating motion of the electrode. The invention provides the flexible braided electrode with ingenious conception, and the flexible braided electrode is supplemented with an innovative process method, so that high-efficiency and high-quality finishing of a complex inner channel can be realized.

A back-contact battery cell and battery with a stacked-gate structure. The back-contact battery cell with a stacked-gate structure comprises a battery cell, at least one positive electrode and at least one negative electrode, wherein the positive electrode and the negative electrode are distributed on a back face of the battery cell in a staggered manner; a stacked-gate structure is provided on the positive electrode and the negative electrode; and the stacked-gate structure comprises a current collection layer and electrically conductive wires, the current collection layer being arranged on the positive electrode and the negative electrode, and the electrically conductive wires covering the current collection layer in a stacked manner. There is no gate line on the back face of the battery cell, the stacked-gate structure is closely arranged to replace gate lines to perform current collection and transmission, and the thickness of the current collection layer is reduced; and a photo-generated current on a surface of the battery cell is collected by the current collection layer and is directly transmitted to the electrically conductive wires, thereby eliminating the transmission path of the current on auxiliary gates.

The invention relates to the technical field of electrical equipment, and discloses an electric energy meter convenient to separate and assemble, which comprises a mounting plate, an electric energy meter body and a cable, the end part of the cable is provided with an exposed conductive wire, the outer side of the mounting plate is provided with a shell, the inner side of the electric energy meter body is provided with a screw rod, and the outer side of the screw rod is in threaded connection with a screw sleeve; the outer side of the screw sleeve is provided with a clamping piece for clamping the conductive wire, and the side part of the electric energy meter body is provided with a bolt. The conductive wire is inserted into the electric energy meter body, the lead screw rotates to enable the wire sleeve to drive the clamping piece to clamp the conductive wire, the conductive wire is electrically connected with the electric energy meter body through the clamping piece, the first gear drives the cable to rotate through the wire fixing assembly, the conductive wire is twisted into a bundle, the electric energy meter body and the cable are assembled, and the electric energy meter body is moved upwards. And the electric energy meter body is separated from the cable by releasing the clamping piece from clamping the conductive wire, so that the electric energy meter and the cable can be quickly separated and assembled.

The invention relates to the technical field of sensors, and provides a flexible pressure sensor and a pressure-sensitive fabric, the flexible pressure sensor comprises the pressure-sensitive fabric, the pressure-sensitive fabric is provided with a pressure detection position for detecting a pressure signal, and the pressure-sensitive fabric is formed by weaving a composite conductive filament and a first non-conductive filament, the composite conductive wire is obtained by doubling a conductive wire and a second non-conductive wire, and the conductive wire is prepared from a conductive material and a base material; the processor is connected with the pressure detection positions and used for processing the pressure signals of the pressure detection positions and outputting pressure distribution information on the pressure-sensitive fabric according to the pressure signals corresponding to the pressure detection positions. According to the pressure sensor provided by the embodiment of the invention, the pressure-sensitive fabric has the characteristics of bending resistance, impact resistance and electric conductivity which is not easily influenced by the environment, and the consistency of the pressure-sensitive fabric is improved, so that the precision of the pressure sensor in various environments is improved.

The invention relates to the technical field of spent fuel post-processing, and provides an anode and an electrolyzer, the anode comprises a conductive mesh basket and a conductive wire, the conductive mesh basket is provided with a containing cavity and an overflowing hole, and the overflowing hole is communicated with the containing cavity; the conductive wires are connected with the conductive net basket and used for transmitting electric energy to the conductive net basket. According to the anode provided by the embodiment of the invention, the cost of the anode can be reduced, the process is simplified and the process difficulty is reduced.

The present disclosure provides a resistive random access memory and a memory device. The resistive random access memory comprises a first electrode, a second electrode, and a resistive layer between the first electrode and the second electrode, wherein a first interface region and a second interface region are provided on the side of at least one of the first electrode and the second electrode that is close to the resistive layer, and the oxygen binding capability of an electrode material located in the first interface region is less than the oxygen binding capability of an electrode material located in the second interface region. Conductive filaments in the resistive random access memory are more easily formed at a second interface region, so that the formation positions of the conductive filaments are more concentrated and stable, and the consistency of a device can be enhanced, thereby enhancing the reliability of the device.

The invention belongs to the related field of artificial nerve morphology, and discloses a compact artificial neuron based on TaOx multifunctional devices, the artificial neuron is composed of two TaOx multifunctional devices with the same structure, and the two TaOx multifunctional devices are connected in series back to back; wherein when voltage in a first direction is applied to the TaOx multifunctional device, the TaOx multifunctional device shows a charge trapping and releasing mechanism and is used for providing simulated volatile characteristics; and when the voltage in the second direction is applied, a conductive wire mechanism is shown and is used for providing digital volatile characteristics. The invention further discloses a structural design of the TaOx multifunctional device. According to the invention, the required neuron function can be realized by only relying on the back-to-back connection of two same TaOx multifunctional devices without additionally introducing capacitors, resistors and other devices, the circuit structure is compact and convenient to process and manufacture, and the problems of low integration level, high process difficulty and the like of the existing artificial neuron are effectively improved. Therefore, large-scale integration of the artificial neural network is facilitated.

The invention discloses a preparation method of a multifunctional textile-based sports sweat monitoring intelligent hair band, and relates to the technical field of intelligent wearing. According to the hair band, water-absorbing textile fibers are adopted as a sweat collecting part, the surface of the sweat collecting part is coated with a conductive material to form a flexible electrode sensing layer, and meanwhile, a selective recognition material is modified to detect sweat components such as glucose, the pH value, Na < + > and K < + >. In addition, the textile-based temperature sensor is prepared based on a conductive filament or conductive coating composite technology. The hair band integrates the sweat sensor, the temperature sensor and the inertial sensor, can monitor the movement distance, the stride frequency, the step speed, the step number and the calorie consumption, fixes the inertial sensor in a bonding mode through liquid silica gel, and enables a collector to be close to the forehead through the combination of a hook-and-loop fastener and a hair band base body. Through material innovation, process optimization and system integration, unification of comfort, functionality and economical efficiency is achieved, and an efficient and universal technical scheme is provided for development of intelligent sports wearable equipment.

The invention discloses a twisted pair crimping system and a twisted pair crimping method. The twisted pair crimping system comprises a cable clamp used for clamping and fixing a twisted pair, and each conductor core of the twisted pair comprises a plurality of conductive wires twisted together; the moving device is used for moving the cable clamp and the twisted pair in the horizontal direction perpendicular to the axial direction of the twisted pair; and the artificial intelligence visual device is arranged at the detection station and can simulate human eyes to identify the actual number of the conductive wires of each conductor core of the twisted pair. And when the artificial intelligence visual device recognizes that the actual number of the conductive wires of the conductor core is not equal to the preset number, the artificial intelligence visual device judges that the twisted pair is unqualified. According to the invention, the artificial intelligence visual device can simulate human eyes to identify the actual number of the conductive wires in the conductor core of the twisted pair. Therefore, whether the quality of the twisted pair is qualified or not can be judged in advance according to the identified actual number of the conductive wires in the conductor core, and the quality of the twisted pair product is improved.

The invention discloses an aerospace electromagnetic shielding material based on modified polytetrafluoroethylene and a preparation method, and belongs to the technical field of nano materials. The method comprises the following steps: by taking polytetrafluoroethylene dispersion resin as a matrix, adding an extrusion aid and carbon nanotubes, stirring, curing, pre-pressing to form a green body, pushing and calendering to prepare a base film, and drying, stretching and mechanically splitting to form a microfiber layer; meanwhile, the polytetrafluoroethylene, the conductive filaments and the conductive reinforcing agent are twisted to prepare a twisted layer; the microfiber layer serves as an outer layer, the twisted layer serves as an inner layer, an electromagnetic shielding layer is woven, finally, the electromagnetic shielding layer is soaked in shielding liquid, dried and subjected to hot press forming, and the electromagnetic shielding material is prepared. According to the material, by constructing a continuous conductive network, excellent electromagnetic shielding effectiveness and low resistance are achieved, and the requirements for light weight, high conductivity and electromagnetic interference resistance in the aerospace field are met. The process parameters are strictly controlled, it is ensured that the fiber structure and the conductivity are optimized, and the method is suitable for electromagnetic protection in the extreme environment.

The utility model discloses a back contact stacked gate structure battery piece and a battery, which belong to the technical field of solar cells, and comprise a battery piece, at least one positive electrode and at least one negative electrode, the positive electrode and the negative electrode are distributed on the back surface of the battery piece in a staggered manner, stacked gate structures are arranged on the positive electrode and the negative electrode, and each stacked gate structure comprises a current collection layer and a conductive wire. The current collection layers are arranged on the positive electrode and the negative electrode, the conductive wires cover the current collection layers in an overlapped mode, the back face of the cell piece is free of grid lines, the grid lines are prevented from collecting and transmitting current in a dense arrangement mode of the overlapped grid structures, the thickness of the current collection layers is reduced, silver consumption is greatly reduced, and the cell cost is reduced. The photo-generated current on the surface of the battery piece is collected by the current collection layer and directly transmitted to the conductive wire, a transmission path of the current on the auxiliary grid is omitted, the current transmission path is short, the resistance loss is low, and the battery efficiency is high.

The present invention belongs to the technical field of microelectronic devices, and discloses a memristor for realizing the shaping and positioning of a conductive filament channel. The device includes an upper electrode, a functional layer and a lower electrode. The functional layer is based on the same metal oxide memristor material, wherein the oxygen content thereof changes in a gradient, and the oxygen content in the direction from the lower electrode to the upper electrode shows a trend of first increasing and then decreasing. Since the minimum value of the oxygen vacancy concentration appears in the middle of the functional layer, the fracture position of the conductive filament channel in the memristor can be positioned in the middle of the functional layer. The present invention improves the detailed structure and composition of the functional layer of the memristor device, and the obtained memristor can realize the shaping of the conductive filament channel morphology and the positioning of the conductive filament channel on-off position. Compared with the existing memristor structure, it is conducive to realizing low power consumption, high consistency, and multi-resistance state memristor performance, and can effectively solve the problems of the size of the conductive filament of the memristor device and the randomness of the formation position in the prior art.

Disclosed is a direct plug-in LED lamp bead with an internal resistor. An LED luminous chip is fixed in a bowl-shaped stand with a special adhesive, a resistor chip is fixed to a flat stand with the adhesive, the LED luminous chip has an electrode electrically connected to the bowl-shaped stand through conductive filaments, as well as an electrode electrically connected to one end of the resistor chip through the conductive filaments, and the other end of the resistor chip is electrically connected to the flat stand. The direct plug-in LED lamp bead with an internal resistor has a wider application range.

The invention discloses a terminal structure of a high-speed connector and a preparation process thereof, and the preparation process comprises the following steps: selecting a conductive core material, carrying out wire drawing treatment to obtain a uniform conductive wire, and carrying out surface treatment on the conductive wire through an electroplating process to form a metal coating; combining in a twisting or parallel winding manner to obtain a conductive wire core, and uniformly wrapping the conductive wire core with a composite material to form an inner insulating layer; then feeding the terminal into a mold, rolling the terminal into an initial structure of the U-shaped terminal by adjusting the mold and the pressure, and forming self-locking structures on two sides of the terminal; micro-structure textures are formed on the surface of the steel plate through laser engraving, and then an anti-corrosion coating is sprayed on the outer layer through a micro-spraying technology; the U-shaped terminal is uniformly wrapped with an elastic protection layer material through an extrusion injection molding process to form a protective sheath layer, and the U-shaped crimping terminal is manufactured; by optimizing the electrical connection performance, durability and adaptability, the connector is suitable for various high-requirement application scenes.

The invention discloses an endoscopic soft plasma radiofrequency ablation operation electrode tool bit, and relates to the technical field of minimally invasive medical equipment, the endoscopic soft plasma radiofrequency ablation operation electrode tool bit comprises an electrode assembly, an outer insulation sheath tube and a handle, the electrode assembly comprises an electrode holder, four mounting grooves are formed in the front end of the electrode holder in the circumferential direction of the electrode holder, and an electrode slice is fixedly mounted in each mounting groove; a conductive wire is fixedly arranged at the bottom of each electrode plate, a water outlet hole is formed in the center of the electrode holder in the length direction in a penetrating mode, a slidable cutting electrode is arranged in the water outlet hole, a water outlet gap is reserved between the cutting electrode and the electrode holder, and a ball head is arranged at the front end of the cutting electrode. The ball head is used for lifting tissue in the operation process, and a plurality of water inlets are formed in the rear end of the electrode holder in the circumferential direction. By means of the arranged electrode assembly, minimally invasive operation can be achieved through an endoscope channel under endoscope visibility, and vaporization, cutting, ablation shrinkage and hemostasis can be carried out on pathological tissue parts such as digestive tract mucosa, respiratory tract mucosa and polyp.

A tire fitted with a transponder comprises: a crown comprising a crown reinforcement having an axial end at each of its edges, connected at each of its axial ends by a sidewall to a bead having an interior end; a carcass reinforcement layer formed of parallel reinforcers, which is anchored in each bead around a bead wire to form a main part and a turn-up; the transponder comprising a core defining a first axis, a first cover filament helically twisted around the core and an electrical insulation device; and the first cover filament comprising at least two conductive filamentary elements galvanically connected to an electronic chip comprising a radiofrequency transmission-reception component. The thickness of elastomeric compound separating the outer cover filament, located radially outermost with respect to the first axis, and the reinforcements is greater than 0.5 millimeters.

The utility model discloses an open-type ceramic pressure and temperature sensor for a non-conducting medium, which solves the problem of uneven plane of a conductive silk-screen layer by sintering the conductive silk-screen layer on a ceramic chip and covering a glass glaze layer on the conductive layer to serve as a sealing surface of an O-shaped ring, and enables the surface of the conductive silk-screen layer to be sealed through a conductive pin outside the internal O-shaped ring. And a temperature signal of the NTC is transmitted to the FPC at the upper part of the pressure core body, so that the transmission of the NTC signal is realized. O-shaped rings are arranged on the upper surface and the lower surface of the ceramic chip for product sealing, and the influence of temperature change on the sealing structure can be almost ignored.

The invention discloses a flexible pressure sensor and a manufacturing method thereof. The manufacturing method of the flexible pressure sensor comprises the steps that a base body, a plurality of conductive wires and a plurality of metal terminals are provided, and the base body is made of cloth; a plurality of conductive wires are arranged in the base body in a penetrating mode in a knitting, embroidering or plain weaving mode, and the plurality of conductive wires are arranged on the base body at intervals; corresponding to the conductive wires, the first ends of the metal terminals penetrate through the base body, the metal terminals are arranged to be electrically connected with the conductive wires, and each metal terminal is connected with one conductive wire; and pressing and fixing the first end of the metal terminal on the substrate to obtain the flexible pressure sensor. The method has the advantages of simple process, reliable yield, high efficiency, easy mass production and the like.

The invention relates to the technical field of visual sensing modules, and discloses a sensing-storage-calculation integrated bionic visual sensing module in-storage calculation method and system.The method comprises the steps that photo-induced electrons excited by incident photons are directly injected into memristor oxygen vacancy conductive filaments through a shared electrode interface, and photocurrent driving signals are obtained; in a forward SET mode, driving memristor oxygen vacancy conductive filaments to form cross array conductivity distribution, and calculating row line driving voltage of a memristor cross array; applying the current to each cross point of cross array conductance distribution in a reverse RESET mode to obtain a flowing current of each cross point; and converging and summing the flowing current of each cross point at a column line node to obtain a column line output current, performing capacitor charging integration on the column line output current, and converting the column line output current into an analog domain convolution operation voltage, thereby avoiding intermediate multiple analog-to-digital and digital-to-analog conversion loss. And end-to-end low-delay and low-power-consumption processing from photon sensing to feature calculation is realized.

The invention discloses a flexible stimulating electrode for magnetic control guide implantation, which comprises an electrode wire main body, a conical electrode tip is arranged at the end part of the electrode wire main body, and a cavity is formed in the electrode wire main body; the plurality of stimulation contacts are arranged at equal intervals along the length direction of the electrode wire main body; the multiple signal recording contacts are arranged in the length direction of the electrode wire body at equal intervals; the conductive wire is electrically connected with each stimulation contact and the signal recording contact; the guide magnet is mounted in the cavity of the electrode wire main body; and the magnetic control system is used for generating a magnetic field. The magnetic field generated by the magnetic control system can apply magnetic force to the electrode wire main body inserted into the body of a patient, so that the position of the electrode wire main body is finely adjusted; through the stimulation contacts arranged on the electrode wire body, different areas of a patient can be electrically stimulated, and output current is recorded through the signal recording contacts, so that the stimulation intensity of the stimulation contacts is controlled in a closed-loop mode, and precise stimulation is achieved.

The invention discloses an artificial synaptic device of a Ti / TaOx-based memristor and a preparation method of the artificial synaptic device, and belongs to the field of memristors. The artificial synapse device sequentially comprises a bottom electrode layer, a resistive function layer and a top electrode layer from bottom to top, the bottom electrode is TIN, the resistive random function layer is TaOx, the top electrode is Au, and the Ti intercalation layer is prepared by covering Ti on the TaOx layer by adopting an evaporation coating process before plating the top electrode; the Ti intercalation layer is introduced to serve as a thin buffer layer between the functional layer and the top electrode, and flowing of oxygen ions / vacancies can be adjusted, so that formation of conductive filaments is guided, and the memristor has more excellent electrical performance, lower working voltage, lower energy consumption and better stability and durability.

The invention discloses a hafnium oxide-based RRAM with a niobium oxide thermal enhancement layer and application, and belongs to the field of semiconductor memory devices. The hafnium oxide-based RRAM with the niobium oxide thermal enhancement layer sequentially comprises a top electrode, a niobium oxide layer, an HfO2 layer, an HfOx layer and a bottom electrode from top to bottom, and the niobium oxide thermal enhancement layer is inserted into the hafnium oxide-based RRAM, so that the forming voltage and the working temperature can be reduced, a storage window is also enlarged, and in the forming process, the storage temperature of the storage window can be increased. The growth direction of the conductive filament is effectively controlled; and the breaking point of the conductive filament can be effectively regulated and controlled in the reset process.

The invention belongs to the related technical field of semiconductor devices, and discloses a relaxation type memristor and a preparation method and application thereof.The relaxation type memristor comprises a bottom electrode layer, a resistive layer and a top electrode layer which are arranged from bottom to top, and the top electrode layer is made of an inactive metal elementary substance or alloy containing inactive metal; the resistive layer is an inorganic molecular crystal film. According to the memristor, an inactive metal is adopted as a material of a top electrode layer of the memristor, and a growth process of a conductive wire in an inorganic molecular crystal resistive layer is controlled, so that a stable and adjustable conductive state is obtained, accurate mapping of an analog electric signal is further realized, and higher precision is provided for neuromorphic calculation based on the memristor.

The invention provides a 1S1R storage unit and a preparation method thereof, and belongs to the technical field of semiconductors and CMOS hybrid integrated circuits. In the preparation process of the method, the preparation device comprising the first electrode layer, the gate layer and the buffer layer is subjected to annealing process treatment, so that the gate layer and the buffer layer are crystallized, after the gate layer is crystallized, the Forming voltage can be reduced, the threshold transformation characteristic yield of the device is improved, a protruding nanocrystalline interface is formed on the surface due to the crystallization of the buffer layer, and the yield of the device is improved. And meanwhile, local field intensity is also increased by a nanocrystalline interface, so that conductive filaments of the resistive layer are robust, the positions of the formed conductive filaments of the resistive layer have a certain rule, the randomness of the generation positions of the conductive filaments is reduced, and the uniformity of electrical properties is improved. The 1S1R unit structure is not only suitable for a 1S1R array of a Crossbar structure, but also suitable for a 1S1R array of a vertical structure after being properly modified, and has a wide application prospect.

The utility model discloses an adapter used for a whole set of switch equipment, comprising a frame and a substrate, two sides of the frame are provided with a wire inlet assembly and a wire outlet assembly, the substrate is internally provided with a bus guide bar, the wire outlet assembly comprises a wire outlet contact sheet group, the wire outlet contact sheet group comprises two opposite wire outlet contact sheets, and the wire outlet contact sheet group comprises two opposite wire outlet contact sheets. Each outgoing line contact piece comprises a fixing part, a bending part, an extending part and a positioning part, each outgoing line contact piece is provided with a conductive wire row, each conductive wire row comprises a plurality of parallel conductive wires, the fixing parts of the adjacent outgoing line contact pieces are mutually connected, an inserting cavity is formed between the extending parts of the adjacent outgoing line contact pieces, one end of each conductive wire row abuts against the inner side face of the corresponding extending part, and the other end of each conductive wire row abuts against the corresponding positioning part. The other end of the conductive wire row is buckled on the positioning part, and the middle part of the conductive wire row is provided with at least one protruding elastic contact part. According to the utility model, the conductive wire row is stressed and deformed to form a stable conductive contact surface with an external plug; and in addition, the plugging acting force is small in the plugging process, wiring operation is facilitated, and the plug is prevented from being abraded in the plugging process.

The utility model relates to a stacked gate battery and a photovoltaic module. The stacked gate battery comprises a battery substrate and a plurality of current collection layers arranged on the surface of the battery substrate, the plurality of current collection layers are arranged at intervals along the width direction of the battery substrate, and each current collection layer is in a shape with two wide ends and a narrow middle part in the length direction of the battery substrate. According to the stacked gate battery, the current collection layer is arranged to be of a structure with two wide ends and a narrow middle part, so that the end area of the current collection layer in the length direction of the battery substrate is larger than the middle area, namely, the end area of the current collection layer is increased, and the welding area between the two ends of the current collection layer and the conductive wires can be increased; according to the present invention, the thermal stress between the two ends of the current collection layer and the conductive wire can be reduced, and the welding tension between the two ends of the current collection layer and the conductive wire can be increased so as to prevent the sealing-off of the two ends of the conductive wire, such that the solar cell can have excellent performance stability and excellent durability even if the solar cell is used in the high-temperature and high-humidity environment.

The application relates to the field of metal support polishing, in particular to an automatic polishing tool and polishing method for a metal support, the tool comprising a base, a rotating shaft, a motor, clamping members and a conductive wire, the rotating shaft being arranged on the base and capable of rotating relative to the base around a rotating shaft axis parallel to the vertical direction, the rotating shaft axis coinciding with the central axis of the rotating shaft; the two clamping members are sequentially arranged on the rotating shaft along the vertical direction and are relatively fixed with the rotating shaft; the conductive wire is used for clamping between the two clamping members, and in the clamping state, the part of the conductive wire between the two clamping members is arranged in parallel to the rotating shaft and is spaced apart from the rotating shaft in the radial direction of the rotating shaft; the application can reduce the consumption of polishing liquid and reduce the damage to the metal support.

The present application discloses a ReRAM device, the bottom surface of a first resistance switching layer is connected with a bottom electrode, and a first groove is formed in the center of the top surface of the first resistance switching layer. A second resistance switching layer is formed on the first resistance switching layer, the center of the bottom surface of the second resistance switching layer is filled downwards into the first groove, and the top surface of the second resistance switching layer is connected with a top electrode. The material of the second resistance switching layer is more conductive than the material of the first resistance switching layer. The present application can maintain the stability of the central conductive filament in the low resistance state. The present application further discloses a method for manufacturing the ReRAM device.