538 results about "Aluminum substrate" patented technology

An object of the present invention is to provide a novel technique capable of manufacturing a large-diameter AlN substrate.The present invention is a method for manufacturing an AlN substrate, including a crystal growth step S30 of forming an AlN layer 20 on a SiC underlying substrate 10 having through holes 11. In addition, the present invention is a method for forming an AlN layer including the through hole formation step S20 of forming the through holes 11 in the SiC underlying substrate 10 before forming the AlN layer 20 on the SiC underlying substrate 10.

The invention discloses an aluminum substrate UV matt finish paint and a preparation process thereof, and relates to the technical field of paints.The aluminum substrate UV matt finish paint is prepared from, by mass, 10%-20% of modified polyurethane acrylate, 25%-32% of high-functionality aliphatic polyurethane acrylate, 18%-30% of special modified epoxy acrylate resin, 0.5%-2% of dispersing agent, 0.1%-0.5% of defoaming agent, 1%-3% of anti-settling powder and the balance water. The paint is prepared from the following components in percentage by weight: 10 to 15 percent of magnesium silicate mineral, 1 to 10 percent of matting powder, 0.2 to 1 percent of 1-hydroxycyclohexyl phenyl ketone, 0.5 to 3 percent of trimethylbenzoyl-diphenyl phosphine oxide, 1 to 3 percent of acrylate flatting agent, 0.2 to 1.2 percent of polyurea modified polyurethane rheological agent and 5 to 15 percent of trimethylolpropane triacrylate. According to the UV matte finishing paint disclosed by the invention, through compounding of ternary resin and enhancement of nano silicon dioxide, a rigid and tough cross-linked network is constructed, a paint film is free of cracks when being bent at 180 degrees, the adhesive force reaches grade 0, and a coating is resistant to acid and alkali etching liquid and free of corrosion by cooperating with a silane coupling agent and a light stabilization system, and the color difference is delta Elt after the UV matte finishing paint is subjected to high temperature of 260 DEG C; and 1.5, the anti-yellowing performance is excellent.

[Problem] To improve the partial discharge resistance of an insulating substrate for an electronic circuit that uses an aluminum nitride sintered substrate. [Solution] Provided is an aluminum nitride sintered substrate containing zirconium-containing particles therein, wherein the aluminum nitride sintered substrate has a composition in which the Zr / Al molar ratio is 0.0017-0.0665, and the region from the end surface in the thickness direction to at least a depth of 10.0 μm is a zirconium-deficient surface layer in which the number density of the zirconium-containing particles in a cross section parallel to the thickness direction is 6.0 / 540μm2 or less.

The invention provides an aluminum substrate drilling tool wear prediction method based on reinforcement learning, and the method comprises the steps: collecting working condition parameters, such as main shaft rotation speed, feeding speed, cutting depth, material type and historical vibration energy, through the deployment of an industrial sensor network, and achieving data standardization through feature extraction and normalization processing; a dynamic cognitive map with process meaning is constructed by adopting semantic analysis and a map generation strategy, key semantic nodes are identified by utilizing a map attention network, reinforcement learning is driven through a structured reward function, and self-adaptive optimization of a wear prediction strategy is realized; according to the method, abnormal detection and working condition abrupt change increment updating are supported, map consistency optimization is achieved by fusing expert experience, the tool wear prediction precision and the environment adaptability can be improved, and the intelligent sensing and dynamic response capacity to the complex manufacturing process can be enhanced.

The utility model discloses a connecting structure of an aluminum-based bus duct with copper-clad end parts, and relates to the technical field of busbars. The copper-aluminum eutectic conducting bar comprises a copper-aluminum eutectic conducting bar body, the copper-aluminum eutectic conducting bar body comprises an aluminum alloy base body layer A, the end portions of the upper side face and the lower side face of the aluminum alloy base body layer A are covered with copper connecting layers A, and the copper-aluminum eutectic layer A is arranged between the aluminum alloy base body layer A and the copper connecting layers A. The copper-aluminum eutectic conducting bar further comprises a connector which comprises a plurality of copper-aluminum eutectic connecting pieces. The copper-aluminum eutectic conducting bar is clamped by the connector and tightly abuts against the copper-aluminum eutectic connecting piece. The beneficial effects of the utility model lie in that the utility model combines the advantages of low density and low cost of aluminum and the characteristics of high conductivity and corrosion resistance of copper, and only the end part of the aluminum substrate is coated with copper, so that the overall cost is reduced, the excellent performance of key parts is ensured, the perfect balance between the performance and the cost is realized, and the copper-aluminum eutectic technology is adopted. The problems that interface bonding is not firm, resistance is large, and corrosion is prone to occurring when aluminum and copper are directly connected are effectively solved.

The utility model provides a super capacitor with a full-tab welding type structure, which relates to the technical field of capacitor design, and comprises a cover plate assembly, the cover plate assembly comprises an upper plastic, an aluminum substrate, a lower plastic and an adapter sheet which are sequentially arranged from top to bottom, the periphery of the aluminum substrate abuts against the top of a shell and is fixed through laser welding, and the adapter sheet is arranged on the top of the shell. The adapter plate and the upper current collector are fixed through laser welding, and the positive pole lug and the negative pole lug of the roll core assembly are respectively fixed with the lower current collector and the upper current collector through laser welding. And through the cylindrical structure, the internal connection completely adopts laser welding, the internal resistance can reach below 1 milliohm, and the blank of the domestic low-internal-resistance super capacitor is filled. Compared with an ox horn type supercapacitor, the supercapacitor provided by the utility model has the advantages that the overcurrent capability is higher, the internal resistance is lower, the overall vibration resistance is better due to the adoption of laser welding fixation, and the condition of liquid leakage is not easy to occur.

The invention relates to the technical field of food packaging, in particular to a bacteriostatic aluminum foil material for a meal box and a preparation method thereof. The material is subjected to aluminum foil surface activation, then is sequentially impregnated in a sol impregnation liquid and an outer layer coating liquid, is subjected to dip coating, and finally is subjected to ultraviolet curing to obtain a multi-layer composite structure. The middle layer is made of an aminated organic silicon material and is firmly combined with the aluminum base material and the outer layer resin through chemical bonds, so that the adhesive force of the coating is remarkably improved. The outer coating is added with a phenyl triazole modified layered double hydroxide loaded nano-silver antibacterial agent, so that slow release and efficient broad-spectrum antibacterial property of silver ions are realized, the thermal stability is improved, and reliable performance under a high-temperature condition is ensured. The multilayer design and multiple antibacterial mechanisms have a synergistic effect, the problems of poor antibacterial durability, insufficient adhesive force, low heat resistance and the like of a traditional lunch box aluminum foil material are effectively solved, meanwhile, food safety is considered, and the aluminum foil material is suitable for the field of modern high-requirement food packaging.

The invention belongs to the technical field of catalytic materials, and particularly relates to a nickel-iron-cobalt entropy alloy nanowire three-dimensional interconnection grid film and a preparation method and application thereof. The preparation method comprises the following steps: taking an aluminum sheet containing copper impurities as a substrate, and preparing a three-dimensional ordered porous aluminum oxide template through anodic oxidation; then, the nickel-iron-cobalt entropy alloy nanowire is prepared in a pore channel limited range through direct current co-electrodeposition; the nickel-iron-cobalt entropy alloy nanowire three-dimensional interconnection grid film is obtained after the aluminum substrate and the 3D-AAO template are removed, the material is based on the mixed entropy effect and structural integrated design and can be directly used as a self-supporting electrode for efficiently and stably electrolyzing water for oxygen evolution, the three-dimensional grid structure and the self-supporting characteristic of the material promote electrolyte transmission and gas product desorption, and the oxygen evolution efficiency is improved. The mass transfer efficiency is improved, the use of a traditional binder is avoided, and the electrode stability is enhanced; the problems that an existing medium-entropy alloy catalyst is high in synthesis energy consumption, the catalytic activity is poor under the industrial-grade large-current working condition, active substances fall off in the reaction and the like are solved.

The invention provides a multi-channel high-precision resistance temperature coefficient test system and method, and the system comprises a vacuum system module which is used for a vacuum test environment, a temperature control heating module which is a heating device with programmable temperature control, and a multi-channel test module which comprises a resistance tester, a multi-channel acquisition card and a connection interface, the multi-channel acquisition card is connected with the resistance tester through an interface, the multi-channel acquisition card is connected with the aviation plug through a test line, the aviation plug is detachably connected with a sample to be tested through the test line, and the temperature monitoring module adopts a thermocouple to test temperature. The data acquisition terminal records and processes multichannel resistance values and corresponding temperature data in real time, the sample table module is used for placing multichannel test samples and is placed in the temperature control heating module, and a sample table adopts an aluminum-based PCB (printed circuit board) or a copper-based PCB subjected to aluminum nitride ceramic or insulation treatment and can bear at least two test samples at the same time.

The present invention provides a liquid-cooling heat dissipation apparatus for a power device, and an on-board charger. The liquid-cooling heat dissipation apparatus comprises a circuit board, a power device, and a heat dissipation assembly which are sequentially stacked. One side of the power device is connected to the circuit board by means of pins on the power device, and the other side of the power device is installed on a heat dissipation surface of the heat dissipation assembly. In the present invention, the power device is directly installed on the heat dissipation surface of the heat dissipation assembly, so that compared with the prior art, the present invention omits an intermediate heat transfer layer such as an aluminum substrate, reducing thermal contact resistance, thereby improving heat dissipation performance; additionally, the aluminum substrate is not used, so that no additional pressing strip is required to press the aluminum substrate, thereby reducing the complexity of installation, and reducing the installation space required for the power device.

The present invention relates to the field of circuit boards, and more specifically, to a method for preparing a flexible aluminum PCB substrate material that can be arbitrarily bent and shaped. The flexible aluminum PCB substrate prepared by the present invention has an ingenious and rational structural design. The aluminum plate and copper foil are combined using a thermally conductive adhesive, resulting in excellent flexibility, resistance to breakage, and the ability to bend arbitrarily, meeting the diverse shapes and all-round lighting requirements of LED lamps. Furthermore, heat generated by the LED lamp is rapidly transferred to the aluminum substrate via the thermally conductive adhesive and then dissipated from the aluminum substrate, thereby achieving rapid heat dissipation and achieving excellent heat dissipation effects.

The invention discloses an on-board connector, and relates to the technical field of electronic connectors, the on-board connector comprises a PCB, the PCB is provided with an installation assembly and a protection assembly, the installation assembly comprises a connecting groove, a clamping plate is fixedly connected in the connecting groove, and the inner side of the PCB is provided with a plastic shell. According to the on-board connector, by pressing the elastic clamping plate which is arranged on the PCB and is connected with the button at the bottom, the clamping plate can be easily clamped into or separated from the clamping grooves in the tops of the connecting blocks on the two sides of the plastic shell, the connector can be quickly mounted and dismounted through the plug-in design, the assembling process is greatly simplified, meanwhile, the fixing plate designed in a T shape is tightly attached to the surface of the PCB, and the fixing plate is not prone to falling off. According to the utility model, the metal terminal is arranged on the insulation body and acts together with the grounding plate, so that not only is an excellent mechanical fixing effect provided, but also good grounding performance is ensured, the insulation body is accurately fixed between the metal terminal and the aluminum substrate of the PCB, the key electrical creepage distance is fundamentally ensured, and the potential safety hazard of discharge is eliminated.

The invention belongs to the technical field of metal substrates, and particularly relates to a graphene composite high-thermal-conductivity aluminum substrate, a preparation method and application. The graphene composite high-thermal-conductivity aluminum substrate comprises a conductive copper foil layer, a graphene composite high-thermal-conductivity layer and an aluminum substrate layer, the graphene composite high heat conduction layer comprises an upper layer, a middle layer and a lower layer, and the upper layer is connected with the conductive copper foil layer and is a heat conduction adhesive layer; the middle layer is a graphene composite sheet layer and is a film layer formed by compounding and hot-pressing graphene and a polymer; the lower layer is connected with the aluminum substrate layer and is a graphene modified aluminum oxide film layer; graphene in the graphene composite sheet layer is arranged in a horizontal orientation manner; graphene in the aluminum oxide film layer is arranged in a vertical orientation manner. According to the graphene composite high-thermal-conductivity aluminum substrate and the preparation method thereof, the graphene is used for constructing a longitudinal efficient heat conduction path and balancing stress, and the obtained graphene composite high-thermal-conductivity aluminum substrate has ultrahigh heat conduction performance, ultralow warping rate and good reliability and can be used in high-performance electronic devices and circuit boards.

The invention relates to the technical field of discharging robots, in particular to an aluminum substrate discharging robot with a cleaning function. A channel I is formed in each box body II; a plurality of through holes I are formed in each box body II, and the through holes I are communicated with the channels I; the inner side of each second box body is rotationally connected with an electric brush. A cleaning rod is fixedly connected to the second box body on the lower portion. An electric push rod I is fixedly connected to the box body I; a plurality of electric suction cups are fixedly connected to the first connecting plate. Through cooperation of the first box body, the second box body and the first connecting plate, impurities raised by the cleaning rod are intercepted, the situation that the impurities are splashed and attached to the aluminum substrate to interfere with stamping operation is avoided, the second box body can also be used for limiting the aluminum substrate, and when the aluminum substrate is instably sucked by the electric suction cup, the aluminum substrate can fall onto the second box body, so that the aluminum substrate is prevented from falling off. Therefore, the aluminum substrate is prevented from directly falling to the ground to be damaged, and the anti-falling function is achieved.

An image forming method uses a photoreceptor including at least an aluminum substrate, a toner for developing an electrostatic image including toner particles containing at least a binding resin, and a developer bearing member including a member that generates a magnetic flux inside, wherein the aluminum substrate contains silicon, a silicon content of the aluminum substrate is more than 0.6% by mass, and a glass transition point (Tg) of the toner for developing an electrostatic image is in a range of 0 to 45° C.

The utility model discloses a kind of fixed-length segmentation device for aluminum substrate processing, it is related to aluminum substrate processing technical field, including pedestal, the inside both sides of the pedestal are provided with trajectory groove, and trajectory groove is obliquely arranged, the inside rear side of the pedestal is provided with a group of left-right symmetrical sliding grooves, the rear side of the pedestal is fixedly connected with driving mechanism.The utility model is provided with driving mechanism, servo motor is used to drive screw rod to rotate, sliding block drives connecting frame to move upward simultaneously, then guide wheel is rolled in moving groove and trajectory groove and moves upward simultaneously, secondly, guide wheel front end is rolled in connecting groove and drives operating platform to lift upward simultaneously, in this process, mounting bracket moves along with the track of connecting frame, for this, the upward movement of operating platform is cut by segmentation knife from front to back in the middle position of aluminum substrate, so as to be favorable to equidistance fixed-length segmentation of aluminum substrate, secondly, multiple aluminum substrates can be segmented simultaneously, and the flexibility of equipment use is enhanced.

The application discloses a UV light-cured coating composition, a preparation method thereof and application thereof on an aluminum base. The UV light-cured coating composition comprises a UV light-cured primer and a UV light-cured topcoat. The UV light-cured primer is composed of polyurethane acrylate resin, first acrylate monomer, photoinitiator, adhesion promoter and wetting and leveling agent in a specific ratio, and can be directly cured on the surface of an aluminum base without pre-treatment to form a coating layer with excellent adhesion. The formula of the UV light-cured topcoat is optimized, so that when the topcoat is used in combination with the primer, the combination of the topcoat and the primer is effectively promoted, and the coating layer has excellent insulation performance. The UV light-cured coating composition provided by the application can form a composite coating layer with strong adhesion, excellent insulation performance and high stability on the surface of the aluminum base without pre-treatment such as laser texturing or chemical passivation.

The ceiling lamp capable of emitting light from the side face comprises a rear cover and further comprises a panel, the bottom of the rear cover is detachably connected with the panel, a decoration ring is connected to the connecting position of the rear cover and the panel in a clamped mode, and an installation hanging plate is connected to the center of the interior of the rear cover in a clamped mode. A light guide plate is embedded in the rear cover, a driving plate is installed at the top of the light guide plate, an aluminum substrate is arranged at the position, located on the periphery of the light guide plate, in the rear cover, the driving plate controls on-off and brightness adjustment of the RGB lamp panel, light generated by the RGB lamp panel irradiates out of the side edge of the ceiling lamp, and meanwhile part of the light passes through the light guide plate, the reflective paper, the diffusion plate and other assemblies and then is transmitted to the LED ceiling lamp. On the premise that the lighting effect of the ceiling lamp is guaranteed, the side face lighting brightness of the ceiling lamp is improved, and the installation mode of the lamp panel is expanded.

The utility model relates to a drilling dust removal mechanism for aluminum substrate machining, which comprises a machining table, an air suction pipeline is arranged at the upper end of the machining table, one end of the air suction pipeline is communicated with a fixed air suction pipe head, a rotating groove is formed in the middle of the air suction pipe head, and a through hole is formed in one side of the middle of the air suction pipe head in a penetrating manner; a top plate is fixedly connected to the upper end of the rotating gear ring, a plurality of guide sliding grooves are evenly formed in the periphery of the middle of the top plate, a plurality of moving grooves are evenly formed in the periphery of the middle of the rotating gear ring, sliding rods are slidably clamped to the middles of the moving grooves, baffles are fixedly installed on one sides of the upper portions of the middles of the sliding rods, and the upper ends of the sliding rods are slidably clamped to the middles of the corresponding guide sliding grooves. A protection cover is fixedly installed on one side of the air suction pipe head, a fixing plate is fixedly installed on one side of the middle of the protection cover, and a gear is rotationally installed at one end of the fixing plate and meshed with the rotating gear ring. When in use, the dust removal device can dynamically adapt to a processing scene, so that the dust removal efficiency and the energy consumption are optimized, and the energy-saving effect is achieved.

Compositions for reinforcing substrates, reinforced panels manufactured from those compositions, and methods of manufacture are disclosed. A composition may be composed of a base resin binder, a reinforcing fiber, a toughener, a heat curing agent, a cure accelerating agent, a sagging resistance agent, and a reinforcing agent. A coating of this composition can be applied upon a substrate, such as a steel or aluminum substrate. By heating the coating such that the coating cures upon the substrate, a reinforced substrate may be produced. The substrate may be sized and configured as a panel so that it could be used as an automotive panel. The low density and strong characteristics of the cured coating may allow for thin, lightweight automotive panels to be produced which provide higher milage. Such panels may also be effective at reducing vibration-generated noise that may otherwise result from a thin automotive panel.

The utility model discloses a die-casting aluminum straight barrel type waterproof heat dissipation controller which comprises a base, a surrounding plate is integrally formed around the top of the base, the top of the surrounding plate is fixedly connected with a surface cover, a plurality of heat dissipation ribs are arranged at the bottom of the base, heat dissipation steps are embedded in the tops of the heat dissipation ribs, and the heat dissipation steps are T-shaped. A socket hole and a binding post hole are respectively formed in the surface cover; according to the utility model, the base and the coaming are integrally formed and are matched with the surface cover for sealing, the socket hole and the binding post hole are matched with the sealing rubber ring and the annular waterproof gasket, the heat dissipation step is arranged in the base to facilitate the installation of the aluminum substrate, and the heat dissipation step is attached to the plurality of heat dissipation ribs, so that the heat conduction efficiency and the heat dissipation area are increased, and the heat dissipation efficiency is improved; the heat stability of the controller in the working process is guaranteed, the problems of poor heat dissipation and water inflow short circuit of a traditional controller are solved, and the controller is suitable for high-power and high-protection-requirement scenes such as electric vehicles and industrial motors.

The utility model provides a heat-conducting aluminum substrate, which solves the problems of weak anti-electromagnetic interference capability and the like of the aluminum substrate, and comprises an aluminum sheet main body, etching points are distributed on the aluminum sheet main body, the surface of the aluminum sheet main body is sequentially covered with a copper-plated layer and a copper-clad RCC insulating layer, and the copper-clad RCC insulating layer and the etching points are directly covered with electroplated layers. The cable has the advantages of strong anti-electromagnetic interference capability, good heat conduction performance and the like.

The present invention relates to a high-voltage anodization method and an aluminum substrate anodized thereby and, more specifically, to a high-voltage anodization method using a phosphoric acid solution as an electrolyte, which enables stable anodization while applying a high voltage without causing a burning phenomenon on the surface of the aluminum substrate, and an aluminum substrate anodized thereby. The high-voltage anodization method according to the present invention improves a voltage ramping process in anodizing using phosphoric acid so that a high voltage of 190 V or higher can be applied while preventing surface burning of the aluminum substrate, thereby enabling stable anodization of the aluminum substrate. In addition, an anodized membrane manufactured using the aluminum substrate produced by the high-voltage anodization method of the present invention can stably form a hexagonal nanostructure having large pores of 150 nm or greater.

The application relates to the technical field of power connection device manufacturing, in particular to a manufacturing method of a track socket busbar, a composite busbar and a track socket, and aims to solve the problems that although a traditional silver plating process can delay copper-based oxidation, the silver layer is easy to wear and the cost is high, and although a micro-arc oxidation layer of an aluminum-based busbar has insulation, a porous structure is easy to absorb moisture, leading to a decrease in corrosion resistance. The application forms a silver-nickel alloy layer with metallurgical bonding through laser surface alloying, generates an in-situ ceramic insulation layer through micro-arc oxidation, and realizes stable compounding of copper-aluminum substrates by using a mechanical occlusion structure, so that the advantages of synchronously improving the electric conductivity and the corrosion resistance and solving the interface delamination problem are achieved.

This invention belongs to the field of aluminum-ion battery technology, specifically relating to an aluminum-ion battery based on a biomimetic CNT / Al composite metal anode. It comprises a positive electrode, a non-aqueous aluminum salt-based ionic liquid electrolyte, a separator, and a biomimetic CNT / Al composite metal anode. The biomimetic CNT / Al composite metal anode consists of an aluminum substrate and a three-dimensional continuous electron permeation network formed within the aluminum substrate. The aluminum substrate is a micro / nano-scale aluminum sheet, and the three-dimensional continuous electron permeation network is formed by carboxylated multi-walled carbon nanotubes. The three-dimensional continuous electron permeation network extends to the surface of the biomimetic CNT / Al composite metal anode. Compared with existing technologies, this invention solves the problem that existing technologies cannot simultaneously address the issues of ion mass transfer kinetics and interfacial mechanical stability during long-term cycling. This solution achieves long-term stable cycling of the aluminum-ion battery under harsh conditions by constructing a CNT / Al anode with a carbon nanotube (CNT)-like neural network structure.

The invention belongs to the technical field of polymer light diffusion plates, and relates to a micro-nano composite structure polymer light diffusion plate and a preparation method and application thereof.The preparation method comprises the following steps that S1, an aluminum substrate is sequentially subjected to high-strength oxidation, denudation, mild oxidation and chambering treatment; constructing an aluminum oxide substrate with a micron pit and ordered nano gradient hole composite structure; s2, nickel is deposited on the aluminum oxide substrate through electrochemical deposition; further modifying fluorosilane to obtain a flexible reusable nickel template; s3, coining a flexible reusable nickel template on the polymer plate, or spin-coating the pre-polymerized precursor on the surface of the polymer plate and then coining; and after curing, stripping the flexible reusable nickel template to obtain the polymer light diffusion plate with the micro-nano composite structure. The micro-nano composite structure polymer light diffusion plate prepared by the invention has relatively high total light transmittance and diffusion light transmittance, has efficient radiation cooling and super-hydrophobic antifouling capabilities, and is used in LED illumination display and / or heat dissipation.

The invention discloses an aluminum alloy wire and a treatment method thereof, and relates to the technical field of metal wire treatment. According to the designed treatment method for the metal wire, degreasing, surface activation, phosphating and passivating treatment are conducted in sequence, treatment parameters are strictly controlled, a degreasing solution, an activation solution, a phosphating solution and a passivating solution of a specific formula are designed, and a uniform and compact protective film layer can be formed on the surface of the aluminum alloy wire after final treatment is completed; compared with traditional phosphating treatment, a film formed on the surface of the aluminum base material is more uniform and compact, so that the treated aluminum alloy wire has better wear resistance, corrosion resistance and external mechanical damage resistance, and the probability that the wire cracks or the surface is scratched in the forming deformation process is reduced.

The invention relates to the technical field of electrostatic chucks, in particular to a manufacturing method of a multi-temperature-zone electrostatic chuck and the multi-temperature-zone electrostatic chuck. Comprising the following steps: forming a plurality of inter-board interconnection units on each to-be-processed single-layer board to obtain a to-be-integrated single-layer board; aligning two to-be-integrated single-layer boards in the same integration pair through an inter-board interconnection unit to form an initial stacked board; copper plating is carried out on the inter-board interconnection unit, hot-melting lamination is carried out on the initial stacked board after copper plating, ultrasonic energy is applied to an interface area where the inter-board interconnection unit is located after hot-melting lamination, and a first integrated board is formed; all the first integrated boards are stacked, so that the inter-board interconnection units between the adjacent first integrated boards are arranged in a staggered mode, and then hot melting fitting is carried out to form second integrated boards; and the second integrated board is attached to the aluminum substrate in a hot melting mode, electrical connection is completed according to a preset wiring definition, and the target electrostatic chuck is manufactured. According to the invention, more temperature zones of the electrostatic chuck can be realized, so that the temperature control precision of the electrostatic chuck is improved.

The application discloses an aluminum nitride film circuit substrate and a preparation method thereof, and relates to the technical field of aluminum nitride substrates.The application is characterized by the following steps: a titanium film is plated on the surface of an aluminum nitride ceramic substrate by magnetron sputtering, and then a copper film is plated on the surface of the titanium film by magnetron sputtering; and a nickel film is plated on the surface of the copper film by a chemical plating method to prepare the aluminum nitride film circuit substrate.Through the titanium-copper gradient dynamic transition technology, a gradient alloy layer is formed to reduce the interface stress; the titanium and the surface of the aluminum nitride are combined through a chemical bond to form a dense transition layer, thereby relieving the difference in the thermal expansion coefficient; the copper enhances the conductive performance of the surface of the aluminum nitride ceramic substrate; the titanium compensates for the interface defects of the mismatch between the copper and the aluminum nitride ceramic lattice; the chemical nickel plating enhances the hardness and corrosion resistance of the aluminum nitride ceramic substrate, and the aluminum nitride film substrate is endowed with weldability and bondability.

Compositions for reinforcing substrates, reinforced panels manufactured from those compositions, and methods of manufacture are disclosed. A composition may be composed of a base resin binder, a reinforcing fiber, a toughener, a heat curing agent, a cure accelerating agent, a sagging resistance agent, and a reinforcing agent. A coating of this composition can be applied upon a substrate, such as a steel or aluminum substrate. By heating the coating such that the coating cures upon the substrate, a reinforced substrate may be produced. The substrate may be sized and configured as a panel so that it could be used as an automotive panel. The low density and strong characteristics of the cured coating may allow for thin, lightweight automotive panels to be produced which provide higher milage. Such panels may also be effective at reducing vibration-generated noise that may otherwise result from a thin automotive panel.