275results about How to "The production process is simple" patented technology

The invention provides a text-based video generation method and device, electronic equipment and a storage medium, and relates to the technical field of artificial intelligence and the field of financial science and technology. The method comprises the steps of obtaining a target text; performing text analysis on the target text to obtain a text segment, text segment entity information and text segment position information; wherein the text segment position information is used for representing the position of the text segment in the target text; performing material reading on a material database according to the text segment entity information to obtain a text segment basic material; generating a dynamic picture according to the text segment entity information to obtain a text segment dynamic picture material; screening a text segment video template from a video template database according to the text segment and the text segment position information; and performing video synthesis according to the text segment basic material, the text segment dynamic picture material, the text segment video template and the text segment position information to obtain a target video. The method can improve the video generation efficiency, and is suitable for a webpage end.

The invention relates to the technical field of foaming insole manufacturing, in particular to a foaming insole manufacturing mold which comprises a bottom plate, a lower pressing plate, an upper mold body and a lower mold body, the top of the lower mold body is connected with an air storage assembly, the upper mold body is connected to the bottom of the lower pressing plate, and a telescopic spring is connected between the upper mold body and the lower pressing plate; a pressing rod is connected to the front side of the upper die, a cutter assembly is installed in the upper die and connected with a lower pressing plate, a limiting assembly is connected between the lower pressing plate and the upper die, and fixing assemblies are connected to the front sides of the upper die, the lower die and the lower pressing plate. According to the device, the fixing assembly is unlocked by pressing the pressing rod downwards to fix the upper mold and the lower mold, and meanwhile, the annular cutter is driven by the pressing plate to move downwards to cut cloth, so that the manufacturing process of the insole is simplified, and the production efficiency is improved.

The invention provides a method for preparing a multi-material composite integrated circuit device based on laser 3D printing, and the method comprises the steps: building a three-dimensional structure model of a to-be-prepared multi-material composite integrated circuit device, and obtaining a three-dimensional structure model of the to-be-prepared multi-material composite integrated circuit device by using a laser 3D printer according to layered slicing and set process parameters; printing a mechanical structure of the multi-material composite integrated circuit device layer by layer; a conductive material is injected into the reserved conductive channel in a micro-injection mode, and micro die-casting forming of the electronic structure is achieved; and then carrying out a co-firing process at a preset temperature, so that the mechanical structure and the electronic structure are firmly combined, and finally, carrying out packaging. According to the method, the limitation of a traditional multi-material integrated circuit preparation technology is broken through, the design flexibility can be improved, the structure fineness can be improved, the preparation process is simple and rapid, the process preparation period and cost are reduced, and the method is more suitable for the customization requirements of rapid iteration and personalized devices.

The invention discloses a laser doping method and application, and belongs to the technical field of new energy batteries. The laser doping method comprises the following steps that S1, a printing procedure is conducted, specifically, slurry containing doping elements is printed on the front face and / or the back face of a semiconductor substrate and dried, a printing area comprises an area A and an area B from inside to outside, and a doping area is covered with the area A; s2, a laser doping process: carrying out laser doping on the area A of the printing area; the power of the laser is P1, and the frequency of the laser is f1; s3, a laser removal process: carrying out laser removal on a region B containing the printing region, wherein the power of the laser is P2, and the frequency of the laser is f2; wherein the monopulse energy E2 is smaller than E1 (E = P / f); and S4, a cleaning process. The laser doping method is applied to preparation of solar cells. According to the method, the time consumption and the use amount of chemical reagents used in the cleaning procedure can be reduced, the production cost is reduced, and the technical problem of environmental pollution is solved.

The invention discloses a preparation method and application of a solar-driven biomass-based moisture absorption gel, and the preparation method of the gel comprises the following steps: pouring a commercially available gluten flour, montmorillonite and LiCl mixture into deionized water, stirring, heating and gelatinizing, then carrying out directional freezing treatment on the mixed solution, and after the mixed solution is frozen to be firm, carrying out freeze drying treatment to obtain the solar-driven biomass-based moisture absorption gel. The biomass-based moisture absorption gel which has excellent moisture absorption performance and is driven by solar energy to release moisture is prepared. The moisture absorption gel can capture moisture from air, utilizes solar energy to drive moisture release, has excellent performance of taking water from air, and is green and clean.

The invention provides a traditional Chinese medicine formula with effects of releasing stasis and removing stasis, which belongs to the technical field of traditional Chinese medicines, and is innovatively and creatively embodied in three aspects: in the aspect of medicinal material composition, plateau herbal medicines are taken as main raw materials, scientific compatibility of low-altitude herbal medicines is fused, a comprehensive and powerful combination is formed, and a synergistic effect is exerted; complex diseases are handled to achieve the purpose of releasing stasis and eliminating stagnation; according to the manufacturing process, different processing methods are adopted according to different herbal characteristics, and through precise process control and advanced appliance application, such as strict drying temperature and time control, fine washing and baking steps, precise decoction process by means of modern scientific appliances and the like, the full release of the medicine effect is ensured, and the loss of the medicine effect is reduced; the stability and the consistency are improved; the use method is innovative, four modes of soaking, eating, drinking and atomizing are used together and matched dialectically, the method adapts to differences of patients, and pertinence and effectiveness are improved. In actual production, the process is simplified, time and cost are reduced, large-scale production is easy, market requirements are met, quality and fineness are emphasized, side effects are reduced, safety, treatment experience and life quality are improved, breakthrough improvement is brought, and efficient, safe and convenient treatment requirements of patients are met.

The embodiment of the invention discloses a chart generation method and device, a storage medium and electronic device.The method comprises the steps that a chart description text input by a user is obtained, chart description language conversion processing is conducted on the basis of the chart description text through a chart processing large model, and chart description sketch statements are obtained; determining target vector graphic data corresponding to the chart description sketch statement, performing chart drawing processing by adopting a document object model based on the target vector graphic data to obtain target chart data, and displaying the target chart data to the user.

The utility model discloses a processing device for crispy young pigeons in the technical field of cooking devices, which comprises a box body, a control mechanism is arranged on one side of the box body, a spraying device and a return water collecting bin are arranged on the other side of the box body, a pulp hanging bin is arranged in the box body between the control mechanism and the spraying device, and a motor is arranged at the top of the box body. The output shaft end of the motor is in transmission connection with a rotating shaft towards the interior of the box body, a suspension frame is arranged at the lower end of the rotating shaft, a plurality of hooks are arranged on the suspension frame, a spraying pipe and an air drying device are arranged on the upper portion of the slurry hanging bin, the spraying pipe is connected into the spraying device through a pipeline, and a water collecting disc is arranged at the bottom of the slurry hanging bin and connected into the return water collecting bin through a return water pipe. According to the device, the air drying device can be started for air drying after the young pigeons are coated with pulp, the transfer link is omitted, the operation process is reduced, the fan drying speed is high, and the making efficiency is improved; the device is simple in structure, easy and convenient to operate, controllable, easy to master, capable of reducing the labor burden and suitable for being used in the processing procedure of large-scale crispy young pigeons.

The invention provides a micro-fluidic chip for coating biological substances through magnetic force and a preparation method thereof.The micro-fluidic chip comprises a substrate and a cover plate, the substrate and the cover plate enclose to form a micro-channel, one end of the micro-channel is connected with a sample adding hole formed in the cover plate, the other end of the micro-channel is connected with a waste liquid area, and the waste liquid area has water absorbability; a marking area and a detection area are arranged in the micro-channel, the marking area and the detection area are sequentially distributed in the flowing direction of a sample, a detection point and a reference point are arranged in the detection area, magnetic blocks are arranged below the substrate corresponding to the detection point and the reference point, a marking antibody is arranged in the marking area, and the magnetic blocks are arranged in the detection area. The detection point is provided with a magnetic particle coupled capture antigen / antibody, and the reference point is provided with a magnetic particle coupled anti-species antibody aiming at the labeled region antibody. According to the micro-fluidic chip, the coating mode of biomolecules on the micro-fluidic chip is improved from a traditional chemical coating mode to a coating mode of adsorbing magnetic particles through magnetism, so that the manufacturing process of the chip is simplified.

The invention relates to the field of batteries, and provides a battery clamp and a preparation method thereof. The battery clamp comprises a first clamping plate, and a first clamping groove is formed in the first clamping plate; a second clamping groove is formed in the second clamping plate, and under the condition that the first clamping plate is installed on the second clamping plate, the first clamping groove and the second clamping groove form a clamping space used for clamping the outer circle face of the battery; the telescopic supporting rod is connected to the first clamping plate or the second clamping plate. The battery clamp can effectively clamp the outer circular surface of the battery and prevent the battery from moving or sliding off in the operation process, so that the stability and the safety of operation are ensured. And the design of the clamping groove fully considers the protection of the battery, so that the damage to the battery caused by too large clamping force of a traditional clamp is avoided, the service life of the battery is prolonged, and the maintenance cost is reduced.

The invention provides a transition metal composite material, a preparation method and application thereof and a sodium ion battery, and belongs to the technical field of electrochemistry. The transition metal composite material comprises a conductive substrate, an adsorption layer coating the surface of the conductive substrate and a catalytic activity enhancement layer coating the surface of the adsorption layer, the conductive substrate is made of foam transition metal; the adsorption layer is composed of oxide of transition metal in the conductive substrate; and the catalytic activity enhancement layer is composed of layered double hydroxides. The transition metal composite material is good in structural stability, OER activity and durability, the adsorption and conversion process of an OER reaction intermediate can be effectively promoted, and therefore improvement of OER reaction kinetics is promoted; and the transition metal composite material can effectively absorb acidic materials such as HF, CO2 and the like generated in the cycle process of the sodium-ion battery, so that the capacity retention ratio and the cycle stability of the sodium-ion battery are improved.

The invention discloses a device and method for achieving friction extrusion additive manufacturing of metal pipe fittings based on stirring consumable rod preheating, the device comprises a hollow main shaft, a heating sleeve and a hollow inner shaft, the bottom end of the hollow inner shaft is connected with a shaft shoulder, and a circular through hole is formed in the center of the shaft shoulder; a flow dividing type spiral component used for promoting deposited metal to form a pipe fitting structure is arranged in the circular through hole, and a groove used for promoting plasticizing of the consumable rod is formed in the inner wall of the circular through hole of the shaft shoulder. Firstly, the consumable rod is heated to the needed temperature through the heating sleeve, under the driving of the upsetting pressure and the flow dividing type spiral component, the consumable rod gradually enters the round hole of the shaft shoulder in a flow dividing mode, after the round through hole is filled with plasticized metal, the plasticized metal overflows, and under the rotating effect of the shaft shoulder and the stirring effect of the protrusions, the consumable rod is heated to the needed temperature. The plasticized metal gradually fills the gap between the shaft shoulder and the surface of the substrate, and then the device is lifted by the height of the gap for further deposition until the deposited metal forms a tubular member on the surface of the substrate. According to the device disclosed by the invention, a metal tubular component with fine grains and excellent mechanical properties can be formed at any position of a formed part through a material adding method by adopting a mode that the hollow static inner shaft does not rotate, so that the manufacturing process is simplified.

The invention discloses a geological map generation method and system based on large model agency, and the method comprises the following steps: constructing a geological map generation tool library, and achieving a tool function; uploading a geological map element file, and initializing a geological map; the geological map generation instruction is understood based on a large language model, geological map tool calling is achieved, and a geological map piece is generated; and exporting a geological map result. The invention designs a method and a system for efficiently generating a geological map in a form of calling a drawing tool by interacting with a large model through a natural language and converting a traditional software drawing process into a geological map generation instruction. The geological map generation result obtained through the method conforms to the user instruction intention, strictly follows the drawing process specification defined by the system, and is convenient to use and operate and stable in product quality.

The invention discloses a BIM (Building Information Modeling)-based building drainage pipeline arrangement system and method. The method comprises the following steps: acquiring field data through laser scanning or an unmanned aerial vehicle, importing a BIM model to carry out drainage system design, arranging pipeline components and carrying out conflict detection; a design drawing and a material list are automatically generated by simulating and evaluating the operation state and the overload risk of the system, and are linked with the market price; the pipeline state is monitored in real time through a sensor, and the BIM model is updated; according to the BIM-based building drainage pipeline arrangement system and method, laser scanning, unmanned aerial vehicle surveying and mapping and other means are introduced before modeling, the accuracy of initial data is ensured, local design specifications and construction standards are embedded into a BIM tool in advance, and later adjustment is avoided.

The invention provides coating slurry, a composite current collector, a preparation method of the composite current collector and a lithium ion battery, and belongs to the field of lithium ion battery materials. A coating slurry for a composite current collector is coated on the surface of a polymer base material of the composite current collector, and the coating slurry comprises the following main components in parts by mass: 5-10 parts of an aqueous aliphatic polycarbon polyurethane dispersion liquid, 15-25 parts of an aqueous acrylic resin dispersion liquid, 0.2-1 part of a curing agent and 64-79.8 parts of a solvent. The coating slurry and the coating formed by the coating slurry have good electrolyte resistance, electrochemical stability and safety performance, and the coating formed by the coating slurry can increase the binding force between a conductive layer and a polymer substrate and improve the mechanical strength of the coating, so that the capacity and cycle performance of the lithium ion battery are improved, and the service life of the lithium ion battery is prolonged. The technical problems that the capacity of the lithium ion battery fades quickly, the safety is poor, the service life is short and the like due to an existing composite current collector are solved.

A dissimilar metal bonding method comprises the steps that (a) first and second metal pieces which are made of different materials are arranged in a lower die cavity of a lower die, the lower die cavity is provided with a bottom and a top which is transversely provided with the first and second metal pieces at intervals and is close to the bottom relative to the top surfaces of the first and second metal pieces, and the lower die comprises a runner communicating the bottom of the lower die cavity with the outside of the lower die; (b) the upper mold cavity of the upper mold faces the lower mold cavity to be assembled on the lower mold, the upper mold cavity is defined by an inner ring face, back to the lower mold cavity, of the face, making contact with the lower mold, of the upper mold and an inner base face connected with the inner ring face, and the inner base face, the top faces of the first metal piece and the second metal piece are coplanar after mold assembly; and (c) the bonding glue is injected from the runner to fill the gap between the bottom of the lower mold cavity and the first metal piece and the second metal piece, the viscosity of the bonding glue is not enough to enable the bonding glue to flow out of the lower mold, and the bonding glue can be directly and upwards filled into the gap at the top of the lower mold cavity from the bottom of the lower mold cavity in the single step (c), so that the effect of transversely bonding the first metal piece and the second metal piece is achieved. And the manufacturing process is simplified.

The invention discloses a photoelectric device, a preparation method of the photoelectric device and electronic equipment, the photoelectric device comprises an anode and a cathode which are oppositely arranged, an electronic function layer arranged between the cathode and a light-emitting layer, and an auxiliary layer arranged between the electronic function layer and the cathode, the material of the cathode comprises a first metal, and the material of the auxiliary layer comprises a second metal. The material of the auxiliary layer comprises second metal, the reducibility of the first metal is higher than that of the second metal, the performance stability and the storage stability of the photoelectric device can be improved, and the device efficiency and the device service life of the photoelectric device can be improved; when the photoelectric device or the photoelectric device prepared by the preparation method of the photoelectric device is applied to the electronic equipment, the photoelectric property and the service life of the electronic equipment can be improved.

The invention provides a hydrogel fruit preservative capable of being sprayed and produced on a large scale as well as a preparation method and application of the hydrogel fruit preservative. The hydrogel fruit preservative comprises the following raw materials: a mixed solvent of polyvinyl alcohol, tannic acid, ethanol and deionized water. The hydrogel fruit preservative disclosed by the invention is simple in preparation method and raw material composition, low in cost, capable of being produced on a large scale, environment-friendly, easy to clean, recoverable, recyclable, capable of quickly forming a film (within 50s), uniform and smooth after film forming, high in mechanical strength, and has the characteristics of being antibacterial, antioxidant, uvioresistant, low in water oxygen transmission efficiency and the like.

A multi-section type signal acquisition assembly is used for acquiring signals of battery cells and comprises a plurality of circuit boards and a plurality of wireless transmission modules. Each wireless transmission module is arranged on one circuit board, every two adjacent wireless transmission modules have a wireless communication function, and each wireless transmission module comprises an analog front end, a wireless communication chip and a power supply chip. And the analog front end is connected with the circuit board and is used for converting the signal of the battery cell to obtain a secondary signal. And the wireless communication chip is connected with the analog front end and is used for wirelessly receiving and transmitting the secondary signal. The power supply chip is connected with the analog front end and the wireless communication chip. The power supply chip is used for being connected with the battery cell and providing electric energy for the analog front end and the wireless communication chip. The multi-section signal acquisition assembly provided by the utility model has the advantage of simplicity and convenience in installation and maintenance. In addition, the utility model also provides a battery management system.

The invention discloses a preparation method of a laser bar heat sink sheet with high thermal conductivity and low thermal expansion. The preparation method comprises the following steps: cutting a sheet-shaped artificial diamond into a laser bar heat sink sheet core material in a laser cutting manner; plating metal chromium or titanium on the surface of the core material by adopting a magnetron sputtering method, and coating a layer of active brazing metal on the surface of the core material to form a core material inner mold; a graphite die provided with a plurality of through hole arrays is adopted, and each through hole is provided with an upper graphite pressure head and a lower graphite pressure head; combining and coating the core material inner mold with a matched metal shell and a matched cover plate, then placing the core material inner mold in the through hole, and assembling an upper graphite pressure head and a lower graphite pressure head to form a template assembly; carrying out vacuum hot pressing sintering on the template assembly to obtain a laser bar heat sink blank, and grinding and polishing to obtain a laser bar heat sink finished product; according to the obtained product, the flaky artificial diamond serves as a core, copper or copper alloy is compounded on the surface, the overall heat conductivity of the product is further improved, meanwhile, the proper thermal expansion coefficient is guaranteed, the machinability is good, and the method is suitable for large-scale production.

The invention belongs to the field of additives for oil fields, and particularly relates to a preparation process of an additive for large-temperature-difference high-salt-resistance oil well cement. The invention discloses a process for preparing an additive for large-temperature-difference high-salt-resistance oil well cement by adding a retarder into a calcined product of zinc-aluminum hydrotalcite for adsorption. Wherein the zinc-aluminum hydrotalcite calcined product is prepared by preparing a zinc-aluminum hydrotalcite precursor from a zinc source and an aluminum source and then calcining at low temperature. The retarder is prepared by taking 2-acrylamide-2-methylpropanesulfonic acid, 3-propyl-2-olefin acyloxy propane-1-sodium sulfonate, carboxylic acid monomers and acrylamide monomers as raw materials, adding a chelating agent and an initiator and polymerizing. The preparation process is simple, industrial production is easy to realize, chlorine atoms in the oilfield cement can be adsorbed, the admixture has salt resistance, the porosity can be reduced in the early stage of hydration of the oilfield cement, the water seepage resistance is enhanced, the compressive strength of the cement is improved, the admixture can intelligently respond to the temperature, and the admixture is suitable for a large-temperature-difference and high-temperature environment.

The present invention discloses a highly wear-resistant and corrosion-resistant laser cladding flux-cored welding wire and a preparation method thereof. The flux-cored welding wire is filled with a flux core in the welding skin. The raw material of the flux core is solid-solution strengthened by adding C, Cr, Ni, W, and Mo elements. On this basis, WC is generated by the reaction of C and W, and boride is generated by the reaction of B and C, so as to further achieve the strength of the metal coating. Compared with the single strengthening of alloy elements, the combined strengthening adopted by the present invention has a better and more obvious strengthening effect; the flux-cored welding wire proposed by the present invention is used for laser cladding to prepare corrosion-resistant and high-hardness laser metal coatings, the flux core formula is easy to obtain, the wire production efficiency is high, the cost is low, and the application prospect is broad.

The invention provides a membrane electrode, a preparation method thereof and a fuel cell, the preparation method of the membrane electrode adopts a double-layer coating die head to coat catalyst layer slurry and intermediate dielectric layer slurry on the surface of a transfer printing membrane at the same time, and then the transfer printing membrane coated with the catalyst layer slurry and the intermediate dielectric layer slurry is transferred to the surface of a proton exchange membrane. The preparation process of the membrane electrode is simple and efficient, the coating time is saved, and the preparation process can be realized by slightly transforming an existing production line, so that the industrial large-scale production is facilitated. Moreover, the membrane electrode prepared by the invention is excellent in performance, and can improve the water management of the membrane module, so that the membrane module has relatively low mass transfer resistance.

The invention discloses welding equipment and method for a metal flexible film cylinder, which simplify the production process and realize continuous welding of the metal flexible film cylinder. The equipment comprises a feeding device and a welding device, the feeding device comprises a front material guide plate, a double-roller mechanism and a rear material guide plate; the front material guide plate is a feeding end, and the rear material guide plate is connected to a welding device; the double-roller mechanism comprises a pressing roller and a supporting roller which are arranged up and down, and an annular boss is arranged on the circumferential face of one end of the pressing roller. In the feeding direction, a guide groove opposite to the boss is formed in one side of the rear guide plate; the welding device comprises a cylindrical forming die, an upper welding wheel and a lower welding wheel. An included angle # imgabs0 # smaller than 90 degrees is formed between the axis of the forming mold and the straight line of the feeding direction of the feeding device, a spiral groove connected with the guide groove is formed in the circumferential face of the forming mold, a welding opening is formed in the track of the spiral groove, and the welding opening and the guide groove are collinear; the upper welding wheel and the lower welding wheel are arranged on the outer side and the inner side of the welding opening respectively and arranged along the tangent line of the spiral groove.

The invention discloses a perovskite light-emitting diode and a preparation method thereof, and belongs to the technical field of photoelectric materials. The perovskite light-emitting diode structure with the interface layer comprises an anode substrate, and a hole transport layer, a perovskite light-emitting layer, the interface layer, an electron transport layer, an electron injection layer and a cathode which are sequentially arranged on one side of the anode substrate. According to the small organic molecule doped perovskite and the preparation method thereof, by introducing PEI regulation and control interface layers with different solution concentrations, interface loss between a perovskite light-emitting layer and an electron transport layer is inhibited, meanwhile, transport of current carriers is promoted, and a high-effectiveness perovskite light-emitting diode device processed in an all-solution mode is obtained.

The application provides a split-gate flash memory and a manufacturing method thereof. The memory comprises a semiconductor substrate, has an active region and an isolation structure, and part of the surface of the isolation structure is lower than the surface of the active region to form a groove; a coupling medium layer covers the top and sidewall of the active region; a floating gate is located on the surface of the coupling medium layer and surrounds the top and sidewall of the active region and does not completely fill the groove; an inter-electrode medium layer is located on the surface of the floating gate; a control gate is located on the surface of the inter-electrode medium layer and fills the remaining part of the groove; a word line is located on the sidewall of the floating gate and the control gate; and a tunneling medium layer is located between the word line and the floating gate, the control gate and the substrate. The application enhances the control force by three-dimensionally surrounding the channel with the floating gate, reduces the risk of punch-through, increases the coupling rate by filling the groove with the control gate, reduces the operating voltage, and improves the reliability of the device.

The invention relates to the technical field of clinical detection of cerebrospinal fluid, and particularly discloses a smear device for detecting cerebrospinal fluid, which mainly comprises a sample tube and a piston assembly, the sample tube comprises a first tube body, a second tube body and a third tube body; the second pipe body is located above the first pipe body, a liquid outlet hole is formed in the bottom, and a liquid inlet hole is formed in the side wall; the bottom of the third pipe body is communicated with the liquid inlet hole through a flow channel; the piston assembly comprises a piston, a handle part and a center rod; the piston is fixedly connected with a tongue part, the center rod can be inserted into the liquid outlet hole, and the piston assembly is provided with an initial station and a flaking station. According to the smear device for detecting the cerebrospinal fluid, the manufacturing process of a cell smear is simplified, operation is convenient and fast, the smear manufacturing efficiency is remarkably improved, the smear manufacturing time is shortened, unnecessary physical damage to cells in the smear manufacturing process is avoided, then cell rupture and dissolution can be effectively reduced, and the smear quality is remarkably improved; meanwhile, the comprehensive cost of manufacturing the cell smear is obviously reduced.

The utility model discloses a kind of metal intelligent chip card packaging structures, including card base and chip module connected on card base, the card base at least includes upper structural layer, antenna layer and lower structural layer which are thin sheet and are sequentially laminated, the antenna layer is equipped with radio frequency antenna, the radio frequency antenna has at least two conductive contact parts, the card base is equipped with the mounting groove for accommodating chip module in the upper of conductive contact part, the mounting groove groove bottom is equipped with the conductive connection groove extending to conductive contact part downwards, the chip module bottom has the chip contact exposed after packaging, the conductive connection groove is equipped with the conductive material column in the lower part and conductive contact part conductive connection, upper part protrudes upwards and is connected with chip contact conductive connection, the utility model aims at overcoming the deficiency of prior art, provide a kind of metal intelligent chip card packaging structure with compact structure, strong stability.

The present invention discloses a metal flux-cored welding wire for laser cladding and a preparation method and application thereof, belonging to the field of additive manufacturing technology. The metal flux-cored welding wire for laser cladding is mainly used for preparing a coating on the surface of a hydraulic support that is resistant to chloride ion corrosion and coal particle wear. The metal wire for laser cladding of the present invention is a flux-cored welding wire, which belongs to a martensitic rust steel type material. By adding alloy elements that improve strength and toughness, the material has good corrosion resistance while having high hardness and plastic toughness, so that it can be prepared into a metal wire by drawing, and the prepared cladding layer can meet the requirements of the hydraulic support for the service environment.

The invention discloses a circuit board manufacturing method and a circuit board, and the method comprises the following steps: manufacturing a multi-layer board which comprises at least two overlapped substrate layers, and arranging conductor layers on the two sides of each substrate layer; processing an accommodating hole in the board surface of the multilayer board, wherein part of the hole wall of the accommodating hole is the conductor layer; copper paste is poured into the containing holes and solidified, so that the copper paste forms a conductive heat dissipation body, and the conductive heat dissipation body is communicated with the different conductor layers. The hole walls of part of the accommodating holes are the conductor layers, so that the conductive heat dissipation body not only can efficiently dissipate heat in the multilayer board, but also has a structure for conducting different conductor layers and forming an interlayer conductive network, copper blocks do not need to be processed according to the shapes of the accommodating holes, and the accommodating holes do not need to be electroplated to manufacture metalized hole walls, so that the manufacturing process is simplified, and the manufacturing cost is reduced. And the production cost is saved.