26results about How to "Conductive" patented technology

The application discloses a physical vapor deposition coating equipment and a coating method. The coating equipment comprises a bearing platform for bearing a to-be-coated element, and a first orthographic projection of the to-be-coated element on the bearing platform is located in the bearing platform; a protective cover is located on a side of the bearing platform bearing the to-be-coated element, and a second orthographic projection of the protective cover on the bearing platform covers the bearing platform exposed from the first orthographic projection; wherein the bearing platform and the protective cover have conductive performance, the protective cover is insulated from the bearing platform during coating of the to-be-coated element; and a first grounding circuit is used for electrically connecting the protective cover after the to-be-coated element is removed from the bearing platform after coating. In the above manner, the application can reduce the probability of discharge lines.

The utility model relates to the field of tee pipe fittings, especially to an outer extension equipotential anti-infiltration inner pressure tee, which mainly solves the poor convenience of the tee pipe fitting in the prior art, and comprises a tee pipe fitting made of plastic, the tee pipe fitting comprises a main pipe and a branch pipe integrally connected with the main pipe, the main pipe has a first interface, a second interface and a first flow channel connecting the first interface and the second interface, the branch pipe has a third interface and a second flow channel connecting the third interface and the first flow channel, the central axis of the first flow channel and the central axis of the second flow channel are vertically distributed, a point where the central axis of the first flow channel intersects with the central axis of the second flow channel is defined as a foot point, the ratio of the distance between the first interface and the foot point to the distance between the second interface and the foot point is 1:2-6, an arc transition structure is arranged at the connection between the first flow channel and the second flow channel, and the arc radius of the arc transition structure is 0.5-0.9 times the diameter of the first flow channel.

This utility model discloses a conductive electrode, a dimming film, and a dimming glass. The conductive electrode includes: a flexible circuit board comprising a first cover layer, a second cover layer, and an intermediate conductive layer sandwiched between the first and second cover layers. The intermediate conductive layer has a conductive input section, a circuit section, and a conductive output section. A conductive bonding structure is also included, wherein the conductive output section is bonded and fixed to the electrode mounting area via the conductive bonding structure. The upper surface of the conductive output section is electrically connected to the electrode mounting area via the conductive bonding structure, and the lower surface of the conductive output section is also electrically connected to the electrode mounting area via the conductive bonding structure, or the lower surface of the conductive output section is bonded and electrically connected to the electrode mounting area. In this utility model, any surface of the conductive output section is conductive. The conductive bonding structure electrically connects the upper surface of the conductive output section to the electrode mounting area, effectively improving the peel resistance of the conductive output section and the conductive electrode, and the stability of the electrical connection between the conductive electrode and the electrode mounting area.

The application discloses an electrode for electric spark machining of a micro-hole with a large depth-diameter ratio and a preparation method thereof, and belongs to the technical field of tool electrode preparation. The electrode comprises a tungsten wire rod, and the diameter of the tungsten wire rod is 0.1-0.4 mm. The tungsten wire rod is characterized in that a uniform and stable zirconium oxide insulation layer is arranged on the peripheral wall of the tungsten wire rod. The electrode selects the stable zirconium oxide layer as the insulation layer, which can enhance the insulation property of the peripheral wall of the electrode. On one hand, the electrode can reduce the discharge removal between the peripheral wall of the electrode and the side wall of the hole in the electric spark machining process, thereby improving the forming precision of the micro-hole. On the other hand, the electrode can reduce the skin effect of the current in the electrode and increase the current density of the center of the end surface of the electrode. Meanwhile, the end surface of the insulation layer has the conductivity in the electric spark discharge, electric spark discharge is generated to remove the material, and the electric spark machining efficiency is improved.

This invention belongs to the field of surface modification technology for metallic materials, specifically relating to a method for generating a conversion film on the surface of aluminum alloys. The method includes the following steps: Sodium hypophosphite and boric acid are added to deionized water and heated and stirred to obtain solution A; copper salt and sodium citrate are first added to deionized water and heated and stirred to obtain a complexed copper solution; solution A and the complexed copper solution are mixed, then nickel salt is added, followed by deionized water, and the mixture is adjusted to alkalinity to obtain a conversion solution; a pretreated aluminum alloy sample is placed in the conversion solution and magnetically stirred to generate a uniform conversion film on the surface of the aluminum alloy sample. Under alkaline conditions, copper ions are not promptly reduced to elemental copper, but instead form monovalent copper ions, which then rapidly react with aluminate ions to generate a ceramic film Cu2Al4O7 under suitable temperature and alkaline conditions. This ceramic film, due to its high hardness and high melting point, significantly enhances the wear resistance of the aluminum alloy surface.

The utility model relates to a multi-stage ecological interception ditch for agricultural non-point source pollution prevention and control, which is suitable for agricultural non-point source pollution prevention and control. Comprising a ditch body, ecological protection slopes are arranged on the two sides of the ditch body, slope plants are arranged on the slopes of the ecological protection slopes, a plurality of interception dams are distributed in the ditch body in a staggered mode to form a snakelike overflowing channel, the upstream side of each interception dam is provided with a slag blocking net, the upper edge of each slag blocking net is higher than the water surface, and the area between every two adjacent interception dams is a purification area. By arranging multiple stages of interception units, the retention time of a water body is greatly prolonged, so that the sewage treatment and purification efficiency is further improved. Through multiple effects of physics and microorganisms, the filtering and conversion performance of the ecological interception ditch on nitrogen and phosphorus in water is improved, and then the purification effect of the ecological ditch is integrally improved.

The present application relates to glass curtain wall technical field, especially to a hollow glass curtain wall capable of preventing condensation on the inner side and interlayer, the interlayer is between the inner glass and the outer glass, the outer edge of the interlayer is provided with a sealant ring, the sealant ring is fixedly connected with the frame body, the inner side of the sealant ring is communicated with a circular through hole, the inner side of the sealant ring is fixedly connected with a heat conduction column, the side of the heat conduction column towards the interlayer is fixedly connected with an elastic metal plate, the elastic metal plate is attached to the inner side of the sealant ring, hot air is blown into the circular through hole, condensation mainly occurs in winter, the indoor temperature is higher, and the outdoor temperature is lower, when the indoor temperature is higher and the relative humidity is larger, the inner glass of the curtain wall will condense due to the lower temperature, thereby affecting the sight and the appearance, compared with the prior art, the present application is more accurate in judging the condensation time, thereby effectively reducing the working time of the heating device to prevent the curtain wall from condensing, and playing a role in reducing the building energy consumption.

The application discloses a sealing mechanism with automatic rotating opening and closing function and belongs to the technical field of cabin sealing structure. The sealing mechanism comprises a cylinder body and sealing assemblies arranged on both sides of the cylinder body. The sealing assembly comprises a baffle, a pressing plate, a rotating pin shaft and an elastic assembly. The elastic assembly is arranged on the baffle and fixedly connected with the cabin at the other end. The baffle is provided with a first connecting sleeve. One end of the pressing plate is sleeved on the first connecting sleeve. The rotating pin shaft is coaxially arranged in the pin shaft through hole of the baffle, the first connecting sleeve and the pressing plate. The locking piece arranged on the side of the pressing plate is fixedly connected with the part of the rotating pin shaft inserted into the pressing plate, so that the pressing plate is fixedly assembled on the baffle. The conductive strip is glued on the arc end surface of the baffle and the pressing plate in contact with the cylinder body. The application realizes the functions of quick sealing and automatic resetting of the sealing mechanism without manual and mechanical actions.

The application discloses a slow-release injectable conductive hydrogel and a preparation method and application thereof, and belongs to the technical field of biomedical materials, wherein the components of the slow-release injectable conductive hydrogel comprise crocetin modified by polyethylene glycol with different molecular weights, sodium alginate and bioactive glass; the crocetin modified by polyethylene glycol is prepared by an amidation reaction of crocetin and methoxypolyethylene glycol amine, and different molecular weight crocetin modified by polyethylene glycol is obtained by changing the molecular weight of the methoxypolyethylene glycol amine. The hydrogel can realize gradient slow release of the active ingredient crocetin, matches the conductivity with the natural myocardial tissue, can bridge the electrical signal conduction of the infarction area, realizes the electrophysiological-histological synergistic repair in the treatment of myocardial infarction, and provides an effective treatment strategy for the treatment of myocardial infarction.

The invention relates to the technical field of aluminum and aluminum alloy anode oxide film surface treatment, and discloses an aluminum alloy anode oxide film hole sealing agent with sealing and hydrophobic functions and application thereof, and the aluminum alloy anode oxide film hole sealing agent is composed of magnesium acetate, ammonia organic acid, an ammonia surfactant, a corrosion inhibitor, a pH buffering agent and water. Magnesium acetate is used as a main hole sealing substance and cooperates with the synergistic effect of the ammonia organic acid and the ammonia surfactant, the hydrophobic surface is synchronously constructed while efficient sealing of the anodic oxide film is achieved, and the water drop angle of the obtained film layer is larger than 110 degrees; the hole sealing agent takes water as a solvent, does not contain toxic and harmful substances such as volatile organic compounds (VOC), heavy metal ions and formaldehyde, has long-acting hydrophobicity and excellent corrosion resistance, and is environment-friendly, harmless, low in cost, simple and convenient in process operation and suitable for protection treatment of the aluminum alloy anode oxide film.

The application belongs to the technical field of new energy materials, and specifically discloses a dual-phase solid electrolyte for electrochemical reduction of nitrogen to synthesize ammonia, which comprises the following steps: uniformly mixing and crushing barium nitrate, cerium nitrate, zirconium nitrate and yttrium nitrate, and then pre-sintering to obtain BCZY powder; uniformly mixing and crushing ZrO2 and Y2O3, and then pre-sintering to obtain YSZ powder; uniformly mixing the BCZY powder and the YSZ powder, and then molding into a green body; and sintering the green body at 1400-1500 DEG C for 10-12 h to obtain the dual-phase solid electrolyte BCZY@YSZ. The application also discloses a method for electrochemical reduction of nitrogen to synthesize ammonia by using the dual-phase solid electrolyte as an electrolyte layer. The application can ensure long-term service life and reliability of the electrolyte.

The utility model discloses an elevator car camera with an anti-theft function, which comprises a mounting seat and a spherical camera rotatably arranged on the mounting seat, and further comprises a power supply component arranged in the mounting seat and electrically connected with the spherical camera; the alarm is arranged in the mounting seat; the spring is arranged in the mounting seat and one end of the spring is fixedly connected with the mounting seat; the magnetic attraction assembly is arranged in the mounting base, has electrical conductivity and is fixedly connected with the other end of the spring, and when the mounting base is attached to the elevator car, the magnetic attraction assembly drives the spring to stretch so that the mounting base can be attracted and fixed to the elevator car, and the alarm is powered off; and when the mounting seat is taken down from the elevator car, the spring contracts to recover a natural state, and drives the two ends of the magnetic attraction assembly to be electrically connected with the power supply assembly and the alarm correspondingly for electrification. And when the mounting seat is taken down by a person, the alarm gives an alarm to the outside after being electrified and uploads data to a monitoring terminal through an internal wireless communication module, so that an anti-theft effect is achieved.

The application relates to a fine wire winding and welding machine, and relates to the technical field of wire welding equipment. The fine wire winding and welding machine comprises a wire stripping mechanism, a welding mechanism and a feeding mechanism. The welding mechanism comprises a wire winding assembly. The wire winding clamp in the wire winding assembly is composed of a pneumatic element, a clamp piece, a return spring and a fixing seat. The clamp piece comprises a first clamp block and a second clamp block which are provided with positioning shaft shoulders. The welding mechanism comprises a wire welding arm and a wire stripping arm. A spot welding gun and a striking rod are arranged on the wire welding arm. The end of the wire stripping arm is provided with a ceramic seat with a through hole. The ceramic ring in the through hole is in the form of an open ring, so that the fine wire can pass through the ceramic ring conveniently. The wire winding driving assembly adopts an electric sliding table. The wire stripping arm and the wire welding arm are slidably connected through sliding rails. The wire stripping mechanism comprises a wire stripper which is provided with a wire running seat, a wire extruding plate, a wire extruding wheel, a wire stripping knife and a plurality of auxiliary components, so that the fine wire can be processed accurately and welded efficiently. The application can improve the firmness of fine wire welding and ensure the quality of wire welding.

The utility model belongs to the technical field of carpet base cloth, and particularly relates to composite flat filament carpet base cloth. The fabric comprises a plurality of warp yarns, the plurality of weft yarns and the plurality of warp yarns are woven in a staggered manner; the warp yarns and the weft yarns are flat filaments, and at least one of the warp yarns and the weft yarns is composite flat filaments; the composite flat filament comprises a base material layer, and a conductive layer is attached to at least one of the top surface and the bottom surface of the base material layer. The anti-static carpet is used for solving the technical problems that in the prior art, an anti-static carpet is complex in structure and many in production procedures, or conductive materials are arranged on the surface of the carpet, and the grounding effect is poor.

The application discloses a preparation method of copper conductive glue based on modified antioxidant copper powder and belongs to the technical field of conductive glue. (S1) A diluent and a conductive additive are mixed to obtain a modifier through ultrasonic reaction; (S2) an epoxy resin, a curing agent, a curing promoter, the modifier prepared in the step (S1) and a dispersing agent are mixed to obtain a first mixture through stirring; (S3) antioxidant copper powder is added into the first mixture to obtain a second mixture through stirring; and (S4) the second mixture is deaerated and cured to obtain the copper conductive glue based on the modified antioxidant copper powder. The application further improves the conductive performance and the antioxidant performance of the conductive glue and overcomes the problems of high preparation cost and long manufacturing period of silver conductive glue.

The application discloses a conductive monofilament and a preparation method thereof. The conductive monofilament comprises an inner layer and an outer layer, the outer layer wraps the inner layer, the inner layer is a nylon monofilament, and the outer layer is a conductive coating. The conductive coating comprises the following components by weight: 50-55 parts of DMSO; 16-20 parts of polyurethane resin; 18-20 parts of conductive mica powder; 7-9 parts of conductive graphene; and 3-4 parts of superfine silicon dioxide powder. According to the technical scheme provided by the embodiment of the application, the inner and outer layer structure formed by wrapping the inner layer monofilament with the conductive coating slurry has the effect of conducting electricity, and the conductive coating is arranged by using materials such as conductive mica powder and conductive graphene, so that the formed conductive coating is light in color, the formed conductive monofilament is also light in color, the prepared conductive monofilament has high strength and good conductivity, and the light-colored conductive monofilament can have more application scenarios.

The invention provides an airplane sealing structure and a preparation method thereof. The preparation method of the airplane sealing structure comprises the following steps: S1, preparing a carbon fiber skeleton, a modified raw rubber layer and conductive fiber cloth; wherein the preparation raw materials of the modified raw rubber layer comprise a rubber master batch and a conductive material; s2, first glue is arranged on the surface of at least one side of the carbon fiber framework, and second glue is arranged on the surface of at least one side of the conductive fiber cloth; superposing a modified raw rubber layer and conductive fiber cloth on the surface of at least one side of the carbon fiber skeleton to obtain an intermediate; and S3, the intermediate is subjected to vulcanization treatment, and the airplane sealing structure is obtained. The airplane sealing structure prepared by the method not only has the advantages of high structural strength, large deformation, high rebound resilience, good fatigue resistance and the like, but also has certain conductivity.

The application belongs to the field of organic materials, and particularly relates to a high-stretch, fast self-healing, high-thermal-conductivity and memoryable conductive polyurethane composite material as well as a preparation method and application thereof. The conductive polyurethane composite material is crosslinked by borate ester bonds, B-N coordination bonds and hydrogen bonds, and further introduces hydroxyl boron nitride, carbon nanotubes and graphene nanosheets to obtain the high-stretch, fast self-healing, high-thermal-conductivity and memoryable conductive polyurethane composite material. The raw materials are inexpensive and the operation is simple, and the obtained conductive polyurethane composite material has high-stretch, fast self-healing, high-thermal-conductivity and memoryability, and has potential application prospects in the fields of conductive films, sensors and wearable devices.

This invention relates to the field of waterborne coatings technology, specifically to a waterborne industrial anti-rust paint for steel components and its preparation method. This invention overcomes the problems of insufficient anti-rust performance and weak mechanical properties of existing waterborne industrial anti-rust paints. This invention achieves a synergistic effect of chemical anchoring and physical shielding by simultaneously bonding phosphate groups and graphene to the epoxy resin molecular chain; it significantly improves the mechanical properties of the coating film by using an organosilane coupling agent-modified waterborne polyamide curing agent to form an organic-inorganic interpenetrating network structure; it avoids the brittleness problem of pure epoxy systems by introducing a core-shell structured self-crosslinking acrylate emulsion, and the formed interpenetrating polymer network structure further enhances the density of the coating film; it forms an active-passive electrochemical synergistic protection with zinc-aluminum phosphate composite pigments by adding functionalized conductive polymer aqueous dispersions; and it enhances anti-rust performance by compounding zinc-aluminum phosphate composite pigments with glass powder.

The application discloses a processing method for leakage during sodium evaporation in super-second-generation multi-alkali photocathode production, and relates to the technical field of photocathode production. When leakage occurs during sodium evaporation in photocathode production and the leakage rises by more than 2000 nA in 1-4 minutes, the photocathode needs to be treated for leakage. The method comprises the following steps: when the leakage rises by more than 2000 nA, stopping sodium evaporation, opening a potassium power source to evaporate potassium for 1-2 minutes, closing the potassium power source and waiting for 1-2 minutes, opening a sodium power source to evaporate sodium for 1-2 minutes, opening an antimony power source to co-evaporate sodium and antimony, observing the rise and fall of photocurrent in 5 minutes, closing the antimony power source, waiting for 1 minute, and closing the sodium power source, and then entering the next process. Thus, the purpose of treating leakage during sodium evaporation in photocathode production is achieved, and the yield of photocathode production is effectively improved.

This invention relates to the field of battery technology, specifically to a battery. The battery includes a positive electrode, a negative electrode, and a separator. The positive electrode includes a positive current collector and a positive active material layer. The positive active material layer includes a three-dimensional network framework and positive active material located within the three-dimensional network framework. The three-dimensional network framework is formed by a conductive binder, which includes carbon nanotubes and an adhesive layer. Along the thickness direction of the positive active material layer, the positive active material layer includes a first surface away from the positive current collector, and the conductive binder is distributed on the surface of the first surface. The separator includes a carrier layer and a coating layer. The coating layer adjacent to the first surface of the positive electrode is a first coating layer. The proportion W of the projected area of ​​the first coating layer on the surface of the carrier layer in the surface area of ​​the carrier layer is 5%-65%. The battery of this invention has high interfacial adhesion between the separator and the positive electrode, which can maintain good adhesion during cycling, improving the cycle performance of the battery.

A semiconductor structure and a method for forming the same, the structure comprising: a substrate; a vertical stack structure comprising a channel region and source-drain regions on both sides of the channel region, the channel region comprising a first stack region, an isolation region and a second stack region on the substrate, the first stack region comprising a plurality of first channel layers, the second stack region comprising a plurality of second channel layers; a first isolation layer in the isolation region; a gate structure surrounding the first channel layers and the second channel layers on the substrate; a first source-drain doped region in the source-drain regions on both sides of the first stack region; a first contact layer on a surface of the first source-drain doped region having a first projection on a surface of the substrate; a second source-drain doped region on the first contact layer; a second contact layer on a surface of the second source-drain doped region having a second projection on the surface of the substrate, an area of the first projection being greater than or equal to an area of the second projection; a second connection layer on both sides of the gate structure; and a first connection layer in the second source-drain doped region. The semiconductor structure has improved performance.

The invention provides a current collector, a positive pole piece, an electrochemical device and electronic equipment, the current collector comprises a polymer layer and a conductive metal layer covering at least one side surface of the polymer layer, and the ratio of the mass percentage content of a carbon element to the mass percentage content of a conductive metal element in the current collector is 0.1-5. The current collector is formed by stacking a polymer layer and a conductive metal layer, the conductive metal layer enables the current collector to have a current collecting effect, and the polymer layer has good strength, ductility and insulativity, plays a buffering role in extrusion and collision, and reduces deformation, so that the internal resistance change rate of an electrochemical device made of the current collector is reduced; and when short circuit occurs, the resistance of the current collector is increased to be almost insulated, so that the safety and the stability of the electrochemical device are improved. The ratio of the mass percentage content of the carbon element to the mass percentage content of the conductive metal element in the current collector per unit area is set to be 0.1-5, so that the current collector can give consideration to good conductivity, strength, safety and stability.

The application discloses a kind of high-temperature-resistant organic / inorganic composite silicon aerogel materials and preparation method thereof, high-temperature-resistant organic / inorganic composite silicon aerogel material includes nitrogen heterocyclic crown ether, MXene and organic silicon resin, its preparation process includes by MAX phase preparation MXene, and MXene is modified with nitrogen heterocyclic crown ether, nitrogen heterocyclic crown ether modified MXene is added to organic silicon resin, and high-temperature-resistant organic / inorganic composite silicon aerogel material is obtained.The high-temperature-resistant organic / inorganic composite silicon aerogel material prepared in the application has excellent high-temperature resistance and heat insulation performance, and can be widely used in 5G base station, semiconductor packaging, aerospace, nuclear industry, high-temperature battery, lightweight automobile and other fields, and has wide application prospect.

The application discloses a kind of reaction sintered silicon carbide ceramic surface small hole defect repair method and reaction sintered silicon carbide ceramic, belong to silicon carbide ceramic technical field.The repair method of the present application includes: silicon carbide ceramic electrically conductive sintering treatment and small hole defect repair step, first silicon is filled between silicon carbide grain to form a kind of SiC / Si composite reaction sintered silicon carbide ceramic, so that the traditional non-conductive silicon carbide ceramic obtains conductivity, so that silicon carbide ceramic has the characteristics of direct brush plating, then the small hole defect on the surface of reaction sintered silicon carbide ceramic is repaired by brush plating, realizes the accurate filling of the small hole defect on the surface of reaction sintered silicon carbide ceramic, the whole repair process is carried out at room temperature, fundamentally avoids the risk of mechanical property decline and thermal crack caused by secondary high-temperature treatment.

This utility model discloses a fully sealed surface-mount tantalum capacitor, comprising a shell, a core, and a cover plate. One side of the shell is connected to the cover plate. A positive and negative lead are provided on the outer wall of the shell. The core is disposed inside the shell and connected to the inner wall of the shell through a conductive layer. An anode wire is provided on the core, with one end connected to a lead wire. The lead wire passes through the cover plate and connects to the positive lead. This capacitor employs a metal shell encapsulation structure, improving the capacitor's hermeticity and enabling it to maintain good performance even in harsh environments such as high temperature and high humidity. The connection point between the tantalum wire lead wire and the anode wire is flattened to increase the contact area and enhance welding strength. Furthermore, the welding point is located inside the metal shell, increasing the reliability of the connection. The metal shell is covered with a first insulating layer, followed by a third and fourth insulating layers, providing double-layer insulation protection and improving reliability.