317results about How to "Reduce contact resistance" patented technology

The utility model discloses a kind of impedance adjustable high-speed terminal structures, it is related to high-speed terminal technical field.The impedance adjustable high-speed terminal structure, the outer shell is rectangular, the outer shell both sides are fixedly connected with mounting lug, the mounting lug is L shape, and mounting bolt is threadedly connected on the mounting lug.The impedance adjustable high-speed terminal structure, outer shell is fixed with mounting bolt through L-shaped mounting lug, adapts multiple equipment installation scene, and installation is firm and flexible;Insulating base is fixed by positioning pin and positioning hole, and assembly precision is high, effectively prevent base displacement, guarantee the relative position stability of each component, reduce the influence of vibration on terminal performance, each component is modularized assembly through mounting hole, lower mounting slot and other structure module, installation step is clear, convenient for production and assembly and later maintenance replacement, reduce assembly difficulty and cost.

The invention relates to the technical field of electronic devices, discloses a low-thermal-resistance insulation integrated top heat dissipation power device, and aims to solve the problems that a traditional power device is high in thermal resistance, insufficient in insulation reliability and complex in assembly. The device comprises a frame base island, an insulating layer, a SiC chip, a bonding aluminum wire, a pin, an injection molding body and a metal heat dissipation top cover, the insulating layer is a high-thermal-conductivity ceramic layer such as aluminum nitride, the thickness of the insulating layer is 20-150 micrometers, the insulating layer and the frame base island are integrated through high-temperature oxidation bonding, and the metal heat dissipation top cover is bonded with the insulating layer in a low-thermal-resistance mode. An external insulation part is not needed, the assembly process is simplified, an efficient heat dissipation channel is constructed, contact thermal resistance is reduced, meanwhile, wide-temperature-range insulation stability is guaranteed, long-term operation reliability and service life of the device are improved, and the structure is suitable for a high-power-density power electronic scene.

This utility model discloses a liquid crystal panel moving testing fixture, belonging to the field of liquid crystal panel testing technology. The fixture includes a mounting platform, a guide rail fixed to the mounting platform, a probe holder slidably mounted on the guide rail, a removable elastic probe inserted into the probe holder, a clamping block that elastically presses a flexible circuit board against the rear end of the probe, and a mounting platform for supporting and fixing the liquid crystal panel. The front end of the probe is pressed against the detection point of the liquid crystal panel, and the other end of the flexible circuit board is connected to an external testing circuit via a piano cover, forming a quickly replaceable testing path. This utility model utilizes the cooperation between the elastic probe and the clamping block to achieve a highly reliable, low-contact-resistance electrical connection; the probe holder as a whole can move along the guide rail to adapt to different testing positions; the pluggable probe structure facilitates maintenance, significantly improving testing efficiency and reducing testing costs.

The present application provides a kind of monocrystalline silicon cell and its preparation method, including the following steps: texturing on at least one surface of monocrystalline silicon wafer substrate, obtain the monocrystalline silicon wafer with a plurality of continuous pyramid structure of pyramid surface on the at least one surface;At least one pyramid surface of the obtained monocrystalline silicon wafer is doped with diffuser, obtain the monocrystalline silicon wafer with PN junction;Using slurry containing spherical metal particles on the side of the monocrystalline silicon wafer with PN junction with the at least one pyramid surface electrode grid printing and sintering, so that spherical metal particles form ohmic contact with pyramid surface.The present application further includes by laser SE process to enhance the ohmic contact of metal particles and pyramid tip.The present application improves fill factor, reduces open circuit voltage loss, increases battery conversion efficiency;Meet the dual needs of reducing contact area contact resistance and reducing non-contact area carrier recombination, reduce the electrical loss of solar cell.

The utility model relates to the technical field of plug -in device, especially the wire terminal of preventing loosening and increasing contact area, plug -in sleeve subassembly and connecting device, the utility model discloses wire terminal is equipped with two clamps that keep apart in the one end of the body, and the upper end of clamp is equipped with the wavy bending area, and at least has two inner bending parts, so that the contact area of clamp and the contact area of the plug pin is increased from the original two points to at least two points or more, not only increase contact area, reduce contact resistance, reduce energy loss, and the wavy design can better adapt to the plug pin of different specifications and shapes, improve the versatility and compatibility of plug -in device.

This invention belongs to the field of membrane separation technology, specifically relating to a method for preparing a polytetrafluoroethylene (PTFE) composite membrane. The preparation method includes: (1) dissolving a spinning aid, a barium source, a titanium source, and a manganese source in a composite solvent, and then electrospinning to obtain precursor fibers; subsequently, blending the precursor fibers with a grain refiner, and heat-treating to obtain doped ferroelectric fiber bundles; (2) further polymerizing organic acids, inorganic acids, conductive fillers, and conductive polymers with monomers and oxidants to finally obtain a conductive polyaniline composite; (3) incorporating Mxene and the conductive polyaniline composite into an aqueous PTFE emulsion, and then further incorporating the doped ferroelectric fiber bundles and stirring to obtain a suspension; the suspension is then coated, post-treated, and kept warm to obtain a PTFE composite membrane. This invention improves the long-term fouling resistance of the PTFE membrane by doping the doped ferroelectric fiber bundles, the conductive polyaniline composite, Mxene, and PTFE.

The application provides a current collector, a pole piece, a battery, a battery pack and a power utilization device. The current collector comprises a current collector base and a conductive layer. The conductive layer is arranged on at least one surface of the current collector base in the thickness direction. The conductive layer has a concave-convex structure away from the first surface of the current collector base. The current collector can reduce the impedance of the battery and effectively improve the cycle performance of the battery by arranging the concave-convex structure on the conductive layer.

The application relates to a cell structure integrated with a fin structure and a preparation method thereof and a SiC power device, and the structure comprises the following: a substrate; a super-junction epitaxial layer located on the top surface of the substrate and comprising two kinds of doped column gate structures with different conductive types, the doped column gate structures being located on the side of the super-junction epitaxial layer away from the substrate and extending along a first direction and being arranged at intervals along a second direction; a first fin structure located in the super-junction epitaxial layer between adjacent gate structures and comprising a first base region, a source region and a shielding region; the source region and the shielding region are alternately arranged along the first direction through the top surface of the first fin structure, and the first base region is arranged directly below the source region; a second fin structure located on the side of the gate structure away from the first fin structure; wherein the first fin structure is located directly above the doped column of the first conductive type; the bottom surface of the gate structure is not lower than the shielding region, and the top surface of the gate structure is lower than the top surfaces of the first fin structure and the second fin structure. The device channel mobility can be effectively improved, and the chip area can be reduced.

The application discloses a kind of FPC temperature acquisition structures, including the temperature acquisition component of connecting aluminum-based FPC, temperature acquisition component includes integrally injection-molded temperature acquisition shell and conductor structure, temperature acquisition shell includes temperature acquisition part with temperature sensor and positioning part with connecting window, conductor structure is formed by copper material connecting piece and aluminum material connecting piece composite Copper material connecting piece is extended to temperature acquisition part and connected with temperature sensor, and aluminum material connecting piece is welded with aluminum-based FPC at connecting window position, the combination of same metal is better, welding strength is high and contact area is large, improve electrical contact performance, so that temperature information collected by temperature sensor can be reliably transmitted to FPC product, this conductor structure is designed using copper-aluminum composite structure, with high bonding strength, excellent conductivity and thermal conductivity, easy to weld, low contact resistance characteristics, can meet the welding requirements of conductor structure and aluminum-based FPC, also can reduce production cost, improve product performance.

A high-voltage and high-current fast fuse comprises an end cover, a contact, a fuse tube, a fuse body, a fuse body guide column, arc extinguishing filler and a fastening screw, characterized in that two or more fuse body guide columns are arranged in the fuse tube, the fuse body is fixed on the fuse body guide column in a spiral winding manner, the contact is provided with a fuse body perforation, the fuse body is welded on the outer end surface of the contact through the perforation, the end cover end surface is overlapped on the outer end of the contact and is connected and fixed with the contact through the fastening screw installed hole of the end cover and the contact and the fastening screw. The disadvantages of poor welding are overcome to the maximum extent. In the case of not increasing the length of the fuse tube or even shortening the length, the rated voltage and the rated current of the fuse can be effectively improved, the anti-impact and anti-bumping capabilities of the fuse are improved, and the fuse can be used to protect the integrated power system of a ship, a large energy storage and power transmission system and other high-voltage and high-current power transmission systems.

The embodiment of the present application provides an IBC battery aluminum paste and an IBC battery, wherein the IBC battery aluminum paste provided by the embodiment of the present application comprises an organic additive, boron powder, aluminum powder, gallium powder, glass powder and an organic binder. By adding gallium powder in the aluminum paste, because the gallium element has etching effect and high density, it is faster than aluminum to drop to the silicon surface in the sintering process, so that the Ga-Si contact probability is increased, the contact resistance of the paste and the battery is reduced, and a high open circuit voltage can be maintained. At the same time, because part of the aluminum powder is replaced by gallium, the content of aluminum is reduced, which is beneficial to reducing the side effect of Al, so that the Al-Si reaction is weakened, the formed aluminum silicon corrosion pit is shallow, the recombination is reduced, so as to improve the open circuit voltage and the photoelectric conversion efficiency of the battery. Therefore, the problem that the existing IBC battery aluminum paste is easy to form metal recombination in the cooling process after being sintered into a positive electrode grid line, resulting in the decrease of the open circuit voltage and the photoelectric conversion efficiency of the battery piece is solved.

The invention discloses a high-power connector with low resistance and high heat dissipation for quick connection, and relates to the field of connectors, the high-power connector comprises a support frame, reeds and busbar clamping bodies, the two busbar clamping bodies are assembled on the support frame, the busbar clamping bodies are integrally formed stamping parts, and the surfaces of the busbar clamping bodies are not provided with holes, so that the high-current passing capacity is ensured; a clamping space is formed between the two busbar clamping bodies, a reed is assembled between one end, far away from the clamping space, of each busbar clamping body and the supporting frame, a rear contact is formed at one end of each busbar clamping body, a front contact is formed at the other end of each busbar clamping body, and under the action of the reeds, the busbar clamping bodies are in contact with the supporting frame. The rear contacts of the two busbar clamping bodies are enabled to clamp the second busbar, the busbar clamping bodies are enabled to be unfolded by taking the rear contacts as rotating points, and the front contacts of the two busbar clamping bodies are enabled to clamp the first busbar, so that the problem of position errors of the first busbar and the second busbar caused by manufacturing tolerance or external reasons is solved, normal transmission of current is realized, and an abnormal interruption phenomenon is avoided.

This invention provides an electropolymer-modified aluminum current collector, its preparation method, and its application, relating to the field of aluminum foil current collector technology. By modifying the current collector surface, it primarily addresses the interface problem between the current collector and the active material, thereby improving the performance of lithium-ion batteries. This invention uses an aluminum foil current collector as the anode, a graphite plate as the cathode, and an acidic solution of a conductive polymer monomer as the electrolyte. Anodizing electropolymerization is performed using a constant current or constant voltage method, followed by washing and drying to obtain the electropolymer-modified aluminum current collector. The conductive polymer monomer is at least one of aniline, thiophene, and pyrrole; the concentration of the conductive polymer monomer in the electrolyte is 0.1-1.0 mol / L; and the polymerization time is 5-10 min. This invention effectively reduces the contact resistance between the current collector and the active material, improves the bonding strength between the coating and the substrate, and enhances the corrosion resistance of the current collector, showing promising application prospects.

The utility model discloses a press-type electronic screen connecting device easy to disassemble. The press-type electronic screen connecting device comprises an electronic screen connecting main body, a track and a power supply connecting assembly, the electronic screen connecting body is provided with a pressing type lock catch matched with the electronic screen connecting body, and an elastic element is arranged in the pressing type lock catch and connected with a fixing groove formed in the track in a clamped mode. A metal contact is arranged at the top of the electronic screen connecting main body, and a metal power supply strip is arranged at a corresponding position in the track; the power supply connecting assembly comprises a conductive elastic sheet and a metal screw. The pressing type lock catch is clamped with the fixing groove of the track through the elastic element, a quick and simple unlocking mode can be achieved, tool assistance is not needed, disassembly can be completed through one-time operation, the guide inclined face of the fixing buckle is matched with the fixing groove, automatic alignment is achieved during pushing, the installation time is shortened, and electronic screens of different sizes are adapted; and the method can be expanded and applied to multiple scenes such as advertisement screens and industrial control screens, and the flexibility and stability of long-term use are ensured.

The application discloses an emergency power supply box with open-break power distribution terminals, and belongs to the technical field of emergency power supply boxes. The power supply box comprises four interval-parallel arranged power connection copper bar assemblies, which are divided into two groups and are respectively used for connecting zero lines and live lines of power supply cables and emergency cables; one grounding copper bar assembly is used for grounding connection with the power supply cables, the emergency cables and the power distribution terminals; a plurality of power distribution terminals are in sliding connection with the power connection copper bar assemblies, and are controlled by a control assembly to be respectively electrically connected with the power connection copper bar assemblies connected with the power supply cables or the emergency cables and simultaneously electrically connected with user cables; a box body is used for containing the above components, and a cable outlet is arranged at the bottom of the box body; and an emergency power supply interface is arranged outside the box body and is electrically connected with the emergency cables. The application replaces manual operation with mechanical automatic switching, and replaces scattered parts assembly with modular integration, so that the emergency power supply is fast, safe and standardized, and is especially suitable for power emergency protection of high-rise residential areas under extreme weather such as floods and typhoons.

The utility model provides a kind of back contact battery I-V testing device, it includes test mechanism and the compacting mechanism of battery compression in the test mechanism above, test mechanism includes bearing station and is set on the tester of bearing station, the probe of tester protrudes from the upper surface of bearing station, compacting mechanism includes frame and is set on the transparent pressboard of frame, transparent pressboard includes the frame portion of four around, multiple parallelly arranged strip portion and openwork, two ends of strip portion are fixedly connected with frame portion, strip portion corresponds with the main grid line position of battery, the width of strip portion is greater than the width of main grid line, openwork is formed between strip portion and frame portion.The probe of the compacting mechanism of the utility model cooperates with test mechanism, not only can ensure that test measuring needle and battery main grid line are in full contact, can form stable electrical connection, reduce contact resistance, but also can reduce shading, provide reliable current transmission path for battery I-V test, effectively guarantee the accuracy and stability of test data.

The utility model relates to a self-adaptive cathode conductive roller, and relates to the field of solar cell electroplating. According to the technical scheme, the device comprises an axis part which comprises an axis; the conductive sleeve part is located on the outer side of the axis part and comprises an axis ring arranged on the periphery of the axis in a sleeving mode and a conductive outer sleeve located on the outer side of the axis ring. Wherein the conductive outer sleeve is elastically connected with the axis ring through an elastic piece. Under the condition, the self-adaptive cathode conductive roller is dynamically and tightly attached to the upper surface of the solar cell silicon wafer through the gravity self-adaptive structure, so that the contact resistance of the self-adaptive cathode conductive roller and the solar cell silicon wafer is remarkably reduced, and the current conduction stability is improved; the problem of uneven coating thickness caused by poor contact in the traditional electroplating process is fundamentally solved, the mechanical stress concentration is effectively avoided, the hidden crack and fragment risk of the solar cell silicon wafer is greatly reduced, and the collaborative improvement of the electroplating efficiency, quality and cost control is realized.

The invention relates to the technical field of power motors, in particular to a base and end cover sealing structure and a motor, and the base and end cover sealing structure comprises a base, a shell, an outer end cover, an inner end cover and a sealing element; the inner end cover is detachably arranged at the first end of the base, the second end, opposite to the inner end cover, of the base is rotationally connected with a rotary connecting assembly, and the rotary connecting assembly is connected with the shell. One end of the outer end cover is connected with the shell, the other end of the outer end cover is opposite to the inner end cover, and the sealing piece is arranged between the inner end cover and the outer end cover and seals the opposite space between the inner end cover and the outer end cover; a connecting buckle is arranged at the end, facing the rotary connecting assembly, of the inner end cover, and an assembling clamping groove matched with the connecting buckle is formed in the base. The problems that traditional threaded connection is low in efficiency and prone to failure are solved, and efficient assembly and reliable sealing are achieved while the stability of the overall structure after connection with external accessories is guaranteed.

The utility model discloses a massage device of replaceable battery, include: massage device main part, the massage device main part one side embedded type installation changes the electricity box, sets up the battery in the electricity box, and the battery is detachable design, the utility model discloses a detachable battery design, supports double battery alternation and charges, realizes " one uses one fills " mode, improves the endurance time of massage device, thoroughly solves the pain point of equipment downtime during charging, also is convenient for the convenience of the repair problem of the maintenance problem of massage device battery problem, and the user can complete opening and closing only by pressing the box cover, and the auxiliary fixing of screw is combined, and the dismounting efficiency and structural stability are taken into account, avoid the tool dependence problem caused by traditional screw full fixation, the conductive plug and the electric socket adopt card type connection, cooperate the hole limit design, ensure the insertion accuracy, the contact resistance reduces, avoid the interface loosening caused by vibration simultaneously, and the power supply stability is obviously superior to the welding or ordinary insertion scheme.

The utility model discloses a universal connecting device for preventing a lead from loosening. The universal connecting device comprises a shell main body, a universal main clamp, a top block, a fixed block, a first screw, a second screw, a lead half frame, a bottom cover, a spring and the like. A universal main clamp is mounted in the shell main body, two grooves are formed in the universal main clamp, a first limiting groove and a second limiting groove are formed in each groove, two fixing blocks are mounted through the first limiting groove, and two ejection blocks are slidably connected through the second limiting groove; a lower shell and an upper shell are installed on the front side wall and the rear side wall of the shell body correspondingly, and a spring is arranged between the top block and the fixing block. Through the above structure, the lead loosening prevention device can effectively prevent the lead from loosening, has good versatility and overcurrent capability, is suitable for connection of leads of various specifications, is convenient to install and maintain, is compact and reasonable in structure, and can prolong the service life.

The utility model belongs to the field of electrical technology, and particularly relates to a contact assembly and a circuit breaker, and the contact assembly comprises a moving contact which is provided with a moving contact, and the moving contact is located at one end of the moving contact; the static contact is provided with at least two static contact points, the at least two static contact points are sequentially arranged at one end of the static contact at intervals, and the static contact points and the movable contact points are arranged oppositely; wherein the moving contact can move towards the side close to or away from the static contact, so that the moving contact is in contact with the at least two static contacts. Contact resistance can be reduced, the heating phenomenon can be reduced, local energy accumulation can be avoided, and therefore the service life of the circuit breaker is prolonged, and the breaking capacity of the circuit breaker is improved.

The utility model provides a probe assembly, a probe card and a detection system, the probe assembly comprises a probe, the probe comprises a heating part and a conductive layer, and the conductive layer wraps the outer surface of the heating part. When a chip CP test is executed by using the probe assembly, the probe is partially inserted into the metal contact of the chip, and then the heating part receives or generates heat, so that the probe is heated to expand, the contact between the probe and the metal contact is improved, the phenomenon of poor contact is avoided, the contact resistance between the probe and the metal contact is reduced, and the chip CP test efficiency is improved. The test result accuracy is improved.

According to the relay, when a first contact part and a second contact part are separated from each other or make contact with each other to generate an electric arc, a magnetic field formed by a first permanent magnet can play a traction role on the electric arc, and the arc blowing and arc discharging effects are achieved. The electric arc moves along the contact surface, and when the electric arc moves to the arc isolating groove, the arc isolating groove can play a role in isolating, lengthening and blocking the electric arc, so that the arcing time is shortened. Therefore, the defects that the electric arc ablates the inner cavity and causes relay explosion and the like can be effectively avoided, the product performance can still be ensured even under the condition of high load, and the product failure probability can be reduced. And meanwhile, the first contact part is synchronously contacted with the at least two sheet units, and the first contact part and the second contact part have at least two contact points, so that the shunting effect is achieved, the contact resistance can be reduced, the contact stability and reliability can be improved, and the temperature rise can be reduced.

A semiconductor device and a method for manufacturing the same are disclosed. According to an embodiment, the semiconductor device may include: an SOI substrate; a channel portion on the SOI substrate, the channel portion including a two-dimensional semiconductor material layer; a gate stack on the channel portion; and source / drain portions on the SOI substrate, located on opposite sides of the gate stack and disposed at opposite ends of the channel portion, wherein the two-dimensional semiconductor material layer is on the bottom surface and side surface of the gate stack, and extends on the side surface of the source / drain portion thereby being located between the side surface of the source / drain portion and the side surface of the gate stack.

The invention provides a living body supporting device. This living body support device is provided with a pad member, a unit drive device, and a filling member. The unit driving device is accommodated in the recess. The filling member extends in the lengthwise direction along the recess and is disposed so as to fill a space between the unit drive device and the support surface. A moving unit in the unit driving device is provided with a connecting part and a displacement part. The connecting part is connected with the conveyor belt. The displacement part is configured to be displaceable so as to be close to or away from the guide rail.

This invention relates to the field of new energy vehicle processing technology, specifically to a welding device for new energy vehicle parts. The device includes a resistance welding machine body for welding wire harnesses and a top welding head and a bottom welding head mounted on the machine body. After the operator places one end of the wire harness onto a terminal connector, the device drives a positioning and pressing mechanism via a detection opening and closing mechanism. This further clamps and positions the terminal connector and one end of the wire harness. Simultaneously, the device presses down on one end of the wire harness to prevent it from tilting due to its own weight, ensuring sufficient contact between the wire harness and the terminal connector, thereby reducing contact resistance and ensuring stable welding between the top and bottom welding heads.

This utility model belongs to the field of contact sheet technology, and particularly relates to a contact sheet for a switch socket, including a fixing part, with a first extension part on both the left and right sides of the fixing part. The side of the first extension part is provided with a trapezoidal groove, one end of which abuts against the fixing part, and the other end of which is connected to a trapezoidal protrusion. A second extension part extends from the other side of the first extension part, and a first angle is formed between the first extension part and the second extension part, with the first angle ranging from 80° to 82°. A trapezoidal groove and a trapezoidal protrusion are mirror-image provided on one side of the second extension part. A support part is provided at the bottom of the fixing part, and a second angle is formed between the support part and the fixing part, with the second angle ranging from 95° to 97°. A contact part extends horizontally from the end of the support part in a direction parallel to the fixing part. A silver dot is provided at each of the left and right ends of the contact part, and the silver dot is fixed to the surface of the contact part by riveting.

The application relates to the technical field of packaging materials, and discloses an antistatic aluminum plastic film, a preparation method and application in lithium battery packaging, wherein the antistatic aluminum plastic film is prepared by dry compounding of an outer nylon film, an intermediate aluminum foil layer and an inner polyethylene composite film; the polyethylene composite film is composed of 60-80 wt% of metallocene linear low-density polyethylene resin and 20-40 wt% of carbon black-graphene polyethylene composite masterbatch; the carbon black-graphene hybrid particle contains an alkenyl functional group on the surface, and a free radical addition grafting reaction occurs between the linear low-density polyethylene resin and the carbon black-graphene polyethylene composite masterbatch through the action of an initiator; and the carbon black-graphene hybrid particle is prepared by Schiff base reaction of a dialdehyde alkenyl functional modifier and amino-functionalized carbon black and amino-functionalized reduced graphene oxide. The aluminum plastic film prepared by the application has excellent antistatic performance, heat sealing performance and barrier performance, and is used for packaging of lithium iron phosphate powder which is a positive electrode material of a lithium battery.

This utility model relates to the field of packaging equipment technology, specifically an automatic proton exchange membrane packaging device; it includes: a base plate, a support frame disposed on the outside of the base plate, a top plate disposed on the top of the support frame, an intermittent rotation mechanism, a packaging cooling mechanism, and a temperature control chamber; the intermittent rotation mechanism is disposed on the top of the base plate; the packaging cooling mechanism is disposed on the top plate; the temperature control chamber is disposed on the packaging cooling mechanism. Through the packaging cooling mechanism, a cylinder drives the temperature control chamber and the heat transfer plate to move, and a motor drives two stirring plates to rotate synchronously, thereby quickly stirring and mixing the internal hot air or coolant. During hot pressing, the heater is activated to generate heat and hot pressing is performed through the heat transfer plate. During cooling, coolant is transported through a conveying pipe to cool the finished product. In this way, the temperature of the contact surface between the finished product and the hot pressing plate can be reduced from the packaging temperature to the safe operating temperature in a short time, significantly shortening the cooling time.

The present application relates to a kind of vertical channel field effect transistor and its preparation method, belong to semiconductor device technical field.It includes: silicon oxide substrate, its one side is provided with high platform;Wherein, high platform each side is provided with multilayer film structure;First guide groove on the first side of multilayer film structure and first guide groove on the second side of adjacent multilayer film structure are communicated;First guide groove is perpendicular to silicon oxide substrate;Multiple first dielectric layer, is set to the surface of silicon oxide substrate;Wherein, first dielectric layer both sides are provided with second guide groove;Second guide groove is communicated with the nearest first guide groove;First guide groove and second guide groove are provided with nanowire;Source electrode, is set to the side of high platform away from silicon oxide substrate;Multiple gate electrode, each gate electrode is set to the third side of each multilayer film structure, and is connected with dielectric layer.The present application realizes single nanowire high-density multi-independent channel, improves structure utilization.