447 results about "Metal particle" patented technology

The invention relates to the technical field of data processing, in particular to an AI large model multivariate data fusion method and system based on multiple modalities, and the method comprises the steps: collecting multi-source data; performing classification abnormity judgment; abnormal type identification; calculating severity; switching fusion modes; and outputting an alarm. According to the method, parameters such as the spindle temperature, the rotating speed fluctuation rate, the vibration acceleration, the current load, the acoustic emission energy spectrum peak value, the cutting force variance and the cooling liquid metal particle concentration are acquired and fused step by step in multiple dimensions in the machining process of the numerical control machine tool, so that the running state of the machine tool is dynamically sensed from multiple angles; furthermore, the physical essence of tool wear and material peeling is revealed through the coupling relationship between the cutting force variance and the metal particle concentration, and meanwhile, the dynamic stability change of the machine tool structure is captured by combining the spindle rotating speed fluctuation ratio; the problem that state monitoring is not accurate in the numerical control machining process due to data isolation and fusion strategy staticization is effectively solved.

The invention relates to a preparation method of a ceramic-based composite material, in particular to a preparation method of a ceramic-based composite material with a pyrolytic carbon-carbon nanotube interface, which is used for solving the problem that in the aspect of improving the thermal conductivity of an interface layer, metals such as Fe, Co, Ni and the like are widely used as catalysts for growing carbon nanotubes at present, so that the thermal conductivity of the interface layer is improved. Carbon nanotubes obtained through a traditional preparation method are prone to agglomeration and uneven in distribution, the risk of the preparation process is high, the carbon nanotubes are not suitable for large-scale production, although metal particles can be reduced through a chemical plating method, the particle sizes of the metal particles are not controlled, the distribution of the metal particles is uneven, and the requirement of a chemical vapor reduction method for distribution of an earlier-stage metal salt solution is high. And the defect is difficult to realize easily. According to the preparation method of the ceramic-based composite material with the pyrolytic carbon-carbon nanotube interface, the ceramic-based composite material with the pyrolytic carbon-carbon nanotube interface is finally obtained through pretreatment, solution A preparation, metal salt solution in-situ reduction and chemical vapor deposition in sequence.

The invention discloses a hydrogen energy fuel cell catalyst carrier based on a graphene graft polymer, which is characterized in that two-dimensional graphene is used as a substrate, the surface of the two-dimensional graphene is modified with an oxygen-containing functional group, and a functional polymer branch chain containing nitrogen, sulfur or phosphorus heteroatoms is covalently grafted to form a local three-dimensional network winding structure; the carrier is loaded with platinum, palladium, ruthenium and other metal or alloy nanoparticles, the particle size is 2-8 nm, the loading capacity is 10%-40%, and the particles are anchored to polymer functional sites or reduced in situ to a graphene defect area through coordination. A polymer branch chain has pH responsiveness and can adjust the local proton transmission efficiency; the grafting density is 3-15 grafting points per 100 carbon atoms, so that high dispersion and stable anchoring of metal particles are effectively realized; the specific surface area of the carrier is 400-800m < 2 > / g, the electrochemical active area is not less than 80m < 2 > / g, and the activity retention rate is greater than 80% after 5000 circles of accelerated durability tests. The activity, the stability and the proton conduction performance of the catalyst are remarkably improved, and the catalyst is suitable for high-performance fuel cells.

The invention provides a method and a device for laser-induced plasma assisted preparation of a stripe structure. The method comprises the following steps: S1, building a laser processing system; s2, a metal target material is placed on a displacement workbench, and the transparent hard and brittle material is located above the metal target material; s3, a laser beam emitted by a laser passes through an objective lens and the transparent hard and brittle material and then is focused on the metal target material, metal plasma transferred to the back face of the transparent hard and brittle material is induced, metal particles are deposited on the back face of the transparent hard and brittle material through the metal plasma, and laser irradiates the metal particles to excite surface plasmons, the surface plasmon interferes with incident light, so that a periodic nano stripe structure is formed; s4, the laser beam is controlled to conduct machining on the surface of the transparent hard and brittle material according to the preset machining parameters and the scanning path; and S5, the transparent hard and brittle material processed in the step S4 is placed in an absolute ethyl alcohol solution to be subjected to ultrasonic cleaning and drying.

The invention discloses a coating for a chemical plating process and a preparation method of the coating, and belongs to the field of three-dimensional precision machining. The coating is arranged on the surface of a base material, and based on the mass percentage of the coating, the coating comprises 55%-85% of a cross-linked product of an epoxy resin AB agent, 1%-5% of nano metal particles and 10%-40% of water-soluble polymers. The coating is adopted for a chemical plating process, the process steps are few, and the binding force between a metal circuit and a base material in the prepared three-dimensional interconnection molding device is excellent.

The invention discloses a water curtain cooling type intelligent laser welding machine and method based on smoke poisoning prevention, and relates to the technical field of intelligent laser welding machines, the water curtain cooling type intelligent laser welding machine comprises a base, a welding mechanism is arranged in front of the base, and a Y-axis mechanism and an X-axis mechanism are arranged above the base and used for clamping and moving a machined part; a water curtain mechanism is arranged in front of the welding mechanism and used for generating a water curtain on the outer side of laser, smoke is prevented from being blocked, the water curtain mechanism comprises a circulating water curtain unit and a pressure unit, a closed water curtain is formed around a laser welding point through the circulating water curtain unit of the water curtain mechanism, and diffusion of high-temperature smoke can be effectively blocked. Purified water sprayed by the spray head forms a continuously flowing water curtain in the water collecting box, so that smoke dust can be cooled, the rising speed of the smoke dust can be reduced, part of metal particles can be settled in water, overflow of harmful smoke dust is greatly reduced, and the risk that an operator inhales the metal smoke dust is remarkably reduced.

The invention discloses a GIS metal particle defect detection test platform and a detection method, and relates to the technical field of high-voltage electrical equipment detection and fault diagnosis, and the platform comprises a GIS equipment module which is used for simulating an actual GIS equipment operation environment and an internal metal particle defect scene; the alternating current voltage module is used for applying processing frequency voltage to the GIS equipment module; the impulse voltage module is used for superposing impulse voltage on the basis of power frequency voltage to realize electric stress coupling; the physical vibration module is used for applying controllable mechanical vibration to the GIS equipment module, simulating impact disturbance generated by switch operation, and enabling internal metal particles to be in a suspended or moving state; the protection device is used for ensuring the effective superposition of the power frequency voltage and the impulse voltage and blocking the reverse voltage; and the detection equipment is used for monitoring the motion trail, the charge characteristic and the partial discharge signal of the metal particles in the GIS equipment module in real time so as to carry out defect mechanism analysis. According to the invention, complex working conditions in GIS operation can be truly simulated.

The application discloses a kind of high-temperature-resistant impact-resistant heat-absorbing heat-insulating composite ceramic brick and its preparation method and application, the ceramic composite brick includes heat-insulating layer and heat-absorbing layer;The main component of the heat-insulating layer is vacuum nanometer heat-insulating ceramic particles and alloy metal particles containing one or more of tungsten, cobalt, molybdenum or vanadium elements;The main component of the heat-absorbing layer is 3N grade and above high-purity alumina and black pigment;The components of the heat-insulating layer and the heat-absorbing layer are filled in the same mold in sections, and then are pressed to form a composite.The heat-insulating layer not only has excellent heat-insulating performance, but also has good toughness and impact resistance;The heat-absorbing layer can quickly absorb heat and accumulate heat, the temperature rising speed in the furnace is increased by more than 30%, the set temperature is quickly reached, the heat-insulating performance is increased by more than 2 times, and has good practical value and important energy-saving and environmental protection social value.

The utility model relates to annealing furnace technical field, concretely relates to a seamless steel tube production is with annealing furnace, including annealing furnace main part, is provided with the discharge roller on the annealing furnace main part, is provided with the liquid collecting groove with the slope in the side of annealing furnace main part close to the discharge roller, the bottom of liquid collecting groove slope is provided with the filter plate, the top of filter plate is provided with the cleaning part for sweeping the impurity particle, through the coordination and cooperation of transmission mechanism, synchronous assembly and guide mechanism, make the cleaning part move along the filter plate, sweep the impurity particle accumulated on the filter plate surface, avoid the impurity particle to accumulate too much, prevent the filter plate from blocking, solved the technical problem that the metal particle or iron oxide that the clean water carried after spraying the steel pipe is easy to accumulate on the filter screen, leads to the filtration area reduction, makes the filter screen filtration efficiency decline, easily causes the annealing furnace overflow.

The application discloses a packaging structure with a selective copper-coated and chip-integrated unit and a preparation method thereof, and relates to the technical field of electronic packaging. The preparation method comprises the following steps: patterning a ceramic substrate, and attaching a first green body layer and a second green body layer to the surface of a first metallized layer of the patterning ceramic substrate and the surface of a heat dissipation plate, respectively; the first green body layer and the second green body layer are composed of solid-state diffusible metal particles, the conductive circuit area is stacked with a copper sheet through the first green body layer, the chip attaching area is stacked with a chip through the first green body layer, and bagging, sealing and sintering are performed. The four process steps of patterning a ceramic substrate, attaching a chip, copper-coating a conductive circuit and integrating a substrate and a heat dissipation plate are integrated into a one-time pressure sintering process, integrated packaging is realized, the packaging process is simplified, the production efficiency is improved, the thermal stress control is excellent, and the device performance and reliability are improved.

Materials for use in a 3D printer, including: several metal particles with an average cross-sectional length of less than or equal to 100 nm; and a stabilizing material comprising an organoamine, carboxylic acid, thiol and derivatives thereof, xanthogenic acid, polyethylene glycols, polyvinylpyridine, polyvinylpyrrolidone or a combination thereof; the metal particles and the stabilizing material agglomerate to form particles with an average cross-sectional length of about 1 µm to about 250 µm.

This invention belongs to the field of thermoelectric thin film technology, specifically relating to the preparation of a high-density domain-structured flexible silver telluride thin film and its reversible thermoelectric performance control method. The film possesses a high-density strip-like domain structure with numerous twins and stacking faults. The high-density domain boundaries provide a large number of ultra-highly active sites, allowing for wide-range reversible control of thermoelectric performance through simple post-processing methods, such as oxidation annealing, chemical and physical deposition of nano-metal particles. The high-density domain-structured silver telluride thin film prepared by this invention uses a silver film prepared by magnetron sputtering as a precursor, reacting it with tellurium vapor in a tube furnace to generate a dense thin film. The preparation method is simple, low-cost, highly reproducible, and operates at a low reaction temperature, making it suitable for large-scale preparation and compatible with flexible substrates such as polyimide. The high thermoelectric performance and reversible control characteristics of this film are of great significance for applications in high-performance flexible thermoelectric generators and multifunctional sensors.

The invention relates to the technical field of chemical reaction equipment, and discloses a reaction device and method for synthesizing free radicals from chloromethyl ethyl ether, the reaction device comprises a support, the inner wall of the support is rotatably connected with a shell, the top of the shell is connected with a first feeding port in a penetrating mode, and when a driving rod rotates, the driving rod drives a second gear ring and a first circular ring to rotate through a gear; due to the fact that the diameter of a first gear ring and the diameter of a second gear ring are different, the rotating speed difference exists between a first circular ring and a driving rod, metal particles enter the inner wall of the driving rod through a second feeding port, and the rotating speed difference exists between the driving rod and the first circular ring, it can be regarded that an auger rotates on the inner wall of the driving rod, and the rotating auger drives the metal particles to flow upwards; flowing metal particles flow out from the discharging port, so that the metal particles precipitated at the bottom of the reaction kettle can flow from bottom to top, and the situation that ethanol is differentiated from part of solution due to the fact that the metal particles at the bottom are heated too high is effectively prevented.

The utility model relates to the technical field of machining numerical control equipment, and discloses an arc discharge machine with a trigger type protection structure, which comprises a machine body, the side wall of the machine body is fixedly connected with a shell, the inner bottom surface of the shell is fixedly connected with a placing seat, and the inner bottom surface of the shell is provided with a protection assembly. According to the arc discharge machine with the trigger type protection structure, the transparent cover body shields the shell, splashing of high-temperature metal particles is avoided, a columnar workpiece is clamped by the two sets of arc-shaped plates, if the workpiece is in a plate shape, the workpiece is clamped by the two sets of clamping plates, an elastic telescopic rod pushes a transverse rod to move downwards, the transverse rod supports the plate-shaped workpiece, and if the workpiece is in a columnar shape, the elastic telescopic rod pushes the transverse rod to move downwards. The clamping stability degree of the columnar workpieces is reversely improved through the transverse rod through elastic deformation of the elastic telescopic rod, the flexible arc plate is attached to the outer surfaces of the columnar workpieces of different shapes, and the workpieces are prevented from sliding or shaking in the machining process.

The utility model provides magnetic separation equipment for recycling waste metal and surface wastes, and materials to be subjected to magnetic separation can be solid materials such as waste metal chippings and can also be slurry-shaped materials generated in the resource utilization process of pickling slurry; materials are fed into the magnetic separation main body through the spiral feeder, the magnetic plates are subjected to magnetic separation, the lifting rotating shaft is matched to drive the plate brush to lift and rotate to push away and flatly lay the materials on the magnetic plates, each layer of magnetic plate fully adsorbs metal particles, the plate brush pushes impurities and redundant materials into the lower layer of magnetic plate, and the impurities are finally discharged from the discharge port after layer-by-layer magnetic separation. And then the magnetism of the magnetic plate is eliminated, the metal particles fall off from the magnetic plate, the residual metal particles are swept to the discharging opening through the plate brush, and therefore collection of all the metal particles and cleaning of the interior of the magnetic separator are achieved.

The utility model discloses a kind of metal particulate matter control system, including buffer tank, buffer tank is connected with first bag filter, first bag filter is connected with several groups total filter components, total filter components have circulating filter piece, total filter components include finished product storage tank, finished product storage tank is connected with magnetic filter, magnetic filter is connected with first filter, first filter is connected with second filter, second filter is connected with packing machine;NMP in finished product storage tank is extracted by circulating pump and is sent into second bag filter, third filter, finished product storage tank, realizes the circulating filtration of NMP, can more stably filter NMP, there are less particulate matter in NMP, the multi-pass process grading filtration of NMP is realized by first bag filter, magnetic filter, first filter, second filter, avoid relying on some filter centralized to NMP, reduce the degree of jam, can improve the flow efficiency of NMP, filtering effect is good, and filtering efficiency is high.

The application discloses a high-nickel stainless steel rolling equipment with a tension control function, and relates to the technical field of rolling equipment, which comprises a base, a first motor, a gear box, a first joint shaft, a second joint shaft, a rolling device, a cleaning device and a deviation rectifying device. The rolling device can timely fine-tune the roll gap of a rolling mill, and keep the stress of steel uniform. The cleaning device can adsorb and remove dust, impurities and fine metal particles attached to raw materials by static electricity before rolling starts. Meanwhile, the cleaning device can perform self-cleaning when the equipment is shut down or during rolling process intervals, thereby ensuring the cleaning efficiency in the next use. The deviation rectifying device can automatically adjust the rotation angle and pressure of the conical roller when the raw material is transported to the rolling area through the conveying device, so that the raw material gradually returns to the correct conveying path, and the rolling thickness unevenness, edge wave shape or plate shape defects caused by incorrect position are avoided.

The invention relates to an insulator electric field homogenization and metal particle expelling collaborative optimization method based on an MLB neural network and an NSGA-II, which optimizes the structural parameters of a laminated dielectric functional gradient insulator by constructing a neural network agent model and combining with an NSGA-II multi-target genetic algorithm. Firstly, a neural network model is trained according to sample data, and rapid mapping of input design parameters, output electric field distribution and metal particle motion characteristics is achieved; and then, carrying out global optimization search on the basis of the proxy model, comprehensively considering the targets of the electric field homogenization index and the metal particle flooding efficiency to obtain a Pareto optimal solution set, and screening out a design scheme with the optimal comprehensive performance by using a TOPSIS method. Compared with a uniform insulator, the optimized insulator can realize obvious uniformization of electric field distribution on the concave side and the convex side, and has the capability of actively expelling metal particles, so that surface flashover and particle pollution risks are effectively reduced.

The invention belongs to the technical field of silicon-carbon negative electrode materials, and discloses a modified silicon-carbon negative electrode material based on a non-carbon-based porous skeleton and a preparation method and application thereof. The preparation method comprises the following steps: dipping and etching silicon powder to obtain porous silicon, dipping-reducing through a catalyst to obtain porous silicon loaded with metal particles, performing in-situ growth of carbon nanotubes through a CVD method, performing spray drying and activation with a carbon source to perform carbon coating, performing silicon deposition and carbon coating with silicon source gas and carbon source gas in sequence, and finally performing spray drying with a conductive agent to obtain the conductive carbon nanotube. The modified silicon-carbon negative electrode material is obtained. The reversible capacity and the conductivity are remarkably improved through in-situ growth of carbon nanotubes and silane coating, the cycle stability is enhanced through a non-carbon-based porous framework, the service life is prolonged, a uniform and stable SEI film can be formed on the silicon surface through silane deposition coating, side reactions are reduced, and the coulombic efficiency is improved; and the overgrowth of the SEI film can be limited, the consumption of lithium ions is reduced, and the first efficiency and reversible capacity are improved.

The application relates to the technical field of switch equipment, in particular to an arc-extinguishing chamber with a flow guide structure and a circuit breaker. The arc-extinguishing chamber with the flow guide structure comprises a contact seat, a static support and a flow guide cylinder, the contact seat is provided with an axial flow hole, the static support is a tubular structure with an open end, is sleeved on the contact seat through the open end, the flow guide cylinder is arranged in the static support along an axial direction, the flow guide cylinder and the static support surround an annular flow guide channel, a through hole is formed in the outer wall of the static support, a gas baffle is fixedly installed on the outer wall of the static support and corresponds to the through hole, and the gas baffle is provided with a gas discharge hole. The arc-extinguishing chamber with the flow guide structure can prolong the discharge path of the hot airflow and reduce the flow speed, can effectively prevent a large amount of foreign matters such as metal particles and dust carried in the hot airflow from being discharged, avoids threatening the ground or interphase insulation at the tail of the airflow channel, and improves the insulation reliability.

This application provides a circuit breaker, relating to the field of switch technology, which can increase the electrical clearance and creepage distance between the circuit board and other components, while reducing the possibility of metal particles or carbon dust generated during the circuit breaker's breaking process contacting the circuit board, thus preventing various physical and chemical corrosion phenomena and extending the service life of the circuit breaker. The circuit breaker includes a base, a middle cover, a protective cover, and a first circuit board. The base has a first open end and a first closed end disposed opposite to each other, forming a first receiving cavity with one end open. The middle cover is disposed at the first open end. The protective cover has a second open end and a second closed end disposed opposite to each other, forming a second receiving cavity with one end open. The protective cover is disposed within the first receiving cavity, and the second open end is connected to the first closed end. The first circuit board is disposed within the second receiving cavity.

This invention discloses a method for preparing a metal-doped anode material with high closed-pore ratio, comprising the following steps: pre-oxidation, liquid-phase coating, isostatic pressing, metal doping, and carbonization. By using glucose to liquid-phase coat pre-oxidized biomass char, followed by isostatic pressing to form a dense and uniform composite carbon framework, the pores are predominantly closed pores of 0.4-2 nm, and the carbon layer is tightly bonded to the matrix without cracks. Furthermore, by gas-phase doping with zinc, zinc is uniformly dispersed in the form of single atoms / clusters and embedded in the carbon lattice, forming a unique Zn-C coordination structure without metal particle agglomeration defects. Simultaneously, the high temperature of 1400-1600℃ promotes the migration of zinc atoms into the carbon lattice depth, improving the microcrystallinity of the carbon material while retaining sodium storage active sites, resulting in stronger structural stability and ultimately achieving a high closed-pore ratio, thereby improving the capacity and rate performance of the anode material.

The invention discloses a preparation method of a functional current collector. The preparation method comprises the following steps: step 1, heating and reacting raw materials containing a polyamide raw material, a copper source compound, a catalyst and a reducing agent in an inert atmosphere at 180-220 DEG C for 1-3.5 hours; heating and reacting for 1 to 2 hours under the condition of 230 to 265 DEG C; after the reaction is finished, vacuumizing to-0.07 to-0.08 MP to form a polyamide nano-copper composite material; 2, stirring the polyamide nano-copper composite material to prepare a thin film, so as to obtain a conductive base film; 3, grinding the surface of the conductive base film in an inert atmosphere, and removing dust; and 4, carrying out electroplating treatment on the ground conductive base film, and covering the surface of the conductive base film with a metal coating to obtain the functional current collector. According to the invention, polyamide and metal particles are compounded, water electroplating is directly carried out, and a magnetron sputtering process is not needed. And compared with the traditional magnetron sputtering and water-adding electroplating process for manufacturing the functional current collector, the process yield is improved.

The utility model relates to an iron can weld joint polishing and deslagging device which comprises a table top, a mounting mechanism, a polisher and a collecting mechanism, the top of the table top is provided with the mounting mechanism used for placing an iron can, and the polisher used for polishing the weld joint of the iron can is arranged at the position of a groove in the table top. A collecting mechanism for storing metal particles falling off after polishing is arranged at the groove in the table top, the collecting mechanism comprises a collecting box and a dismounting part, the collecting box is located in the groove of the table top, the dismounting part is used for rapidly separating the collecting box from the table top, and the collecting box is located at the bottom of the polisher; the reserved grooves are formed in the two sides of the collecting box and used for placing the polisher, the polisher is arranged in the collecting box, the polisher polishes the welding seam of the iron can, the collecting mechanism is used for collecting metal chippings falling after polishing, the collected scrap iron, stainless steel particles and the like can be smelted and regenerated, the purchasing cost of raw materials is reduced, and the production efficiency is improved. And the subsequent process quality is prevented from being influenced by residual chippings.

The utility model discloses a photovoltaic assembly with reflective bus bars, which belongs to the field of photovoltaic technology and comprises a plurality of bus bars and a plurality of battery pieces, and the plurality of bus bars and the battery pieces are electrically connected with each other and packaged between a front cover plate and a rear cover plate. The light receiving surface of the bus bar is coated with an adhesive, the surface of the adhesive is uneven, and a plurality of reflective metal particles are fixedly connected through the adhesive. According to the utility model, the light-receiving surface of the bus bar is coated with the adhesive and fixedly connected with the reflective metal particles to form the concave-convex reflective structure, so that compared with the existing embossed V-shaped groove scheme, the bus bar has the advantages that the conductive sectional area is prevented from being damaged by embossing, and the current-carrying capability is ensured; thick adhesive film filling is not needed, and the packaging cost is reduced; the concave-convex structure is combined with the reflective particles through the adhesive, thereby enhancing the diffuse reflection of sunlight, improving the light receiving ratio of the cell, improving the power of the assembly, and avoiding the risk of assembly failure caused by the direct contact between the bus bar and the glass.

A thermally-conductive sheet according to the present invention comprises a metal layer and a plurality of protrusions on at least one first surface of the metal layer, wherein the protrusions contain sinterable metal particles.

The application relates to a preparation method of a nanoporous NiBi alloy catalyst for nitrogen reduction. The nanoporous NiBi alloy catalyst is obtained by using Al, Ni and Bi metal particles as raw materials and by adopting a method of smelting, belt casting and dealloying. The application has the following advantages: (1) the three-dimensional nanoporous structure of the catalyst can provide abundant active sites for the catalytic reaction and is beneficial to electron transmission in the reaction process; (2) the synergistic effect of the Ni phase and the NiBi phase can effectively reduce the reaction energy barrier of the rate-determining step, inhibit the hydrogen evolution side reaction and improve the catalytic efficiency; and (3) the preparation method is simple and efficient, low in price, safe and environmentally friendly, and has a good application prospect in the field of electrocatalytic nitrogen synthesis ammonia.

The semiconductor device of the present invention includes a substrate, a first conductive layer, a first semiconductor element, and a bonding material. The substrate includes a heat dissipation layer. The first conductive layer is bonded to the substrate. The first semiconductor element is bonded to the first conductive layer. The bonding material is located in a first direction, relative to the substrate, on a side opposite to the first conductive layer, and is disposed on the heat dissipation layer. The bonding material comprises metal particles. As an example, the semiconductor device further includes a sealing resin covering the first semiconductor element.

The invention belongs to the technical field of communication materials, and particularly relates to a composite wave-absorbing material and a preparation method and application thereof. The composite wave-absorbing material comprises a porous carbon material with a layered structure, wherein a material with a core-shell structure is inserted into the layered structure of the porous carbon material; the core in the material with the core-shell structure comprises metal particles; a shell layer in the material with the core-shell structure comprises a carbon layer and an alloy layer, and the alloy layer is coated with the carbon layer. The composite wave-absorbing material has a three-layer core-shell structure, an intercalation structure and a porous structure which are indispensable, and the three-layer core-shell structure, the intercalation structure and the porous structure jointly act to obtain a three-dimensional network structure, so that the composite wave-absorbing material has good electromagnetic absorption performance.

The present application relates to banknote printing plate surface plating wear-resistant coating technical field, provide a kind of magnetron sputtering coating equipment, at least include: the body, the body has for plating film plating film cavity;High-energy pulse magnetron sputtering target, setting in plating film cavity;Intermediate frequency magnetron sputtering target, setting in plating film cavity.The magnetron sputtering coating equipment, plating film, using the characteristics of high-energy pulse magnetron sputtering target with superhigh peak pulse current, so that sputtering metal particles have higher sputtering energy bombardment to be plated film workpiece, can remove the oxide or organic impurities on the surface of to be plated film workpiece;Moreover, it is helpful to the thermal motion diffusion of sputtering metal particles in to be plated film workpiece substrate, to form a layer of primer layer with to be plated film workpiece substrate binding force more firm;Then, through intermediate frequency magnetron sputtering target on primer layer deposition functional coating, functional coating because with primer layer metal element identical, thereby solve the problem of sputtering coating and to be plated film workpiece bottom base binding force low.