597 results about "Vacuum evaporation" patented technology

The invention relates to the technical field of composite copper foils, in particular to a production process of a multifunctional composite copper foil, the composite copper foil and application of the composite copper foil. The invention provides a production process of a multifunctional composite copper foil. The production process comprises the following steps: S1, baking a carrier layer; s2, performing surface treatment through plasma treatment; s3, coating a film on the baked carrier layer through magnetron sputtering to form a bottom layer; s4, evaporating a vacuum evaporation layer on the base layer through vacuum evaporation; s5, plating a copper layer on the vacuum evaporation layer through water electroplating; and S6, slitting the sample. According to the production process, by optimizing the baking conditions, the sputtering technology and the evaporation parameters and introducing the plasma surface treatment technology, the binding force of the copper film and the base material is improved, the pinhole rate is reduced, the production efficiency and the coating uniformity are remarkably improved, and the product quality is improved. The problems that in the existing composite copper foil production process, the binding force between a copper film and a base material is poor, the pinhole rate of the copper film is high, the deposition speed is low, and the coating uniformity is poor are solved.

According to the plastic surface deep scene vacuum plating manufacturing process, UV primer is sprayed to the back face of a plastic product, and a mirror surface primer layer is formed; the mirror surface primer layer is placed in vacuum electroplating equipment, vacuumizing is conducted till the vacuum degree is 5 * 10 <-3 > Pa or below, 99.99% of high-purity aluminum materials are subjected to vacuum evaporation, and a mirror surface electroplated aluminum layer is obtained; engraving a required pattern on the mirror surface electroplated aluminum layer by adopting laser engraving equipment; spraying UV finish paint on the surface of the carved pattern to form a protective layer; spraying the UV finish paint on the front surface of the plastic product to form a mirror paint layer on the front surface; placing the front mirror surface paint layer in vacuum electroplating equipment, vacuumizing to below 5 * 10 <-3 > Pa, and carrying out vacuum evaporation on 99.99% high-purity indium material or zinc sulfide to obtain a semi-permeable mirror surface electroplated layer; the electroplated layers on the front and back surfaces mutually reflect to form a deep scene (multi-layer scene) effect; the pattern has a three-dimensional and multi-layer visual effect when viewed from the front side, UV gloss oil is sprayed on the surface of the semi-permeable mirror surface electroplated layer, and the formed surface protective layer is excellent in wear resistance; and the attractiveness and durability of the product are obviously enhanced.

The utility model belongs to the technical field of vacuum evaporators, and discloses a crystal oscillator probe structure which comprises a crystal oscillator water pipe, a probe assembly is arranged at the bottom of the crystal oscillator water pipe, an installation structure is arranged on the inner wall of the probe assembly, and a driving assembly located outside the probe assembly is arranged at the top of the installation structure. A clamping structure is arranged in the probe assembly, the probe assembly comprises a mounting frame, and a detection head is movably sleeved with the mounting frame. According to the utility model, the detection head and the connecting plate are arranged, the reverse rotating block is rotated, and the whole detection head is limited through the clamping block, so that the screw rod is screwed out of the detection head, and the connecting plate, the protection plate, the limiting frame and the supporting frame are driven to move upwards and a wafer in the limiting frame is driven to move out of the mounting frame through the elastic force of the spring I; therefore, the wafer can be conveniently replaced by an operator, and the replacement efficiency of the wafer is improved.

The utility model discloses a vertical evaporation system and a vertical heat pump vacuum evaporator. The system comprises a stock solution evaporator, an evaporation heat exchanger and a condensation heat exchanger, wherein the evaporation heat exchanger is arranged on the outer side of the lower part of the stock solution evaporator; a discharge port is formed in the bottom of the stock solution evaporator, and the rotating shaft is driven by the driving motor to rotate and drive the spiral blade at the discharge port to rotate; a flat heat exchange surface is arranged at the lower part of the stock solution evaporator and is used for exchanging heat with the evaporation heat exchanger; a scraping plate capable of scraping the heat exchange surface is tightly attached to the heat exchange surface; the condensation heat exchanger is arranged in the stock solution evaporator and located on the upper portion of the stock solution evaporator. By adopting the scheme, not only can the heat exchange surface of the stock solution evaporator be scraped and cleaned through the scraping plate, but also the problems of accumulation and discharge of concentrates are synchronously solved through the spiral blade at the discharge outlet at the bottom, and dirt deposition or salt hardening caused by accumulation of the concentrates at the bottom of the stock solution evaporator is avoided.

The invention provides a preparation method of a multilayer film plane window reflector film system, which adopts a vacuum evaporation method, the structure of the film system is G (Hf-SiO2) n (A), a reflecting film takes HfO2 as a high-refractive-index material and takes SiO2 as a low-refractive-index material, and the HfO2 layer is completed by evaporating Hf deposition in an oxygen-containing vacuum environment. According to the method disclosed by the invention, the TOLLING value parameters are captured for multiple times in stages in the coating process, so that the performance of the prepared plane window reflecting mirror can be remarkably improved, the plane window reflecting mirror is closer to a design value, and the method has important application in preparation of a high-performance beam splitting film.

The invention discloses a preparation method of a perovskite-based thin film laminated solar cell, and the method comprises the following steps: S1, taking transparent conductive glass as a substrate, and carrying out the spin coating of an electron transmission material on the substrate to form an electron transmission layer; s2, a perovskite precursor solution prepared in advance is spin-coated, and a perovskite absorption layer is obtained after primary heat treatment; s3, depositing a nano silicon dioxide porous interface layer, spin-coating a self-repairing polymer containing ionic liquid, and performing secondary heat treatment to obtain a modified perovskite absorption layer; s4, spin-coating a hole transport layer; s5, performing vacuum evaporation on a metal counter electrode layer to obtain a perovskite top cell; and S6, stacking and compounding the perovskite-based thin film and a crystal silicon bottom cell to form the perovskite-based thin film laminated solar cell. According to the preparation method of the perovskite-based thin film laminated solar cell, the photoelectric conversion efficiency and the stability of the cell are improved, the self-repairing capability and the long-term durability of the cell are enhanced, and the high-standard requirement of commercial application can be met.

The invention relates to the technical field of organic light-emitting device production process data processing, and provides an organic light-emitting device production process optimization method, which comprises the following steps of: monitoring key parameters in an evaporation cavity in real time, analyzing data in a cleaning treatment process by utilizing a preset statistical algorithm, and optimizing the production process of an organic light-emitting device. And extracting feature data influencing the surface cleanliness and flatness of the substrate. And then, establishing a mathematical model in the vacuum evaporation process, and solving by applying an optimization algorithm to obtain a parameter combination which enables the performance of the device to be optimal. Furthermore, electrical and optical performance and life stability data of the device are collected, and optimization parameters are simulated, calculated and optimized through a data processing model. In the production process, equipment operation data are collected in real time, optimization parameters and real-time data are compared, and the parameters are optimized in real time through a stochastic gradient descent method and stored in a knowledge base. The device performance and the production efficiency are effectively improved, and the production cost is reduced.

The invention provides a novel vacuum evaporator which comprises a vacuumizing system, a carrier rotating system, a light-operated integrated system, a crystal oscillation system, a heating system, a water cooling system and an evaporation system, and the light-operated integrated system and the crystal oscillation system are arranged in a hollow cavity of a first rotating mechanism, so that cooperative work of rotary coating and real-time detection is realized; a detection light path is shortened, and the signal-to-noise ratio is improved; rotation axis detection ensures data representativeness; the top radiation heating and the side wall conduction heating have a synergistic effect, so that the surface temperature difference of the substrate is smaller than + / -1.5 DEG C, the cooling efficiency of the evaporation system is improved by 40% through the water cooling system, the equipment is highly integrated through the modular architecture design, and the space is saved by 30% through the coaxial design of the carrier rotating system and the detection system; a rotating system, a heating system and a detecting system are cooperatively controlled, a dynamic compensation algorithm automatically adjusts the evaporation rate and the carrier rotating speed by comparing light control data with crystal oscillator data in real time, the film thickness control precision is + / -2 nm, and the refractive index deviation is smaller than 0.5%.

The technical scheme of the utility model discloses a heat source tower solution concentration maintaining and adding device which comprises a refrigeration compressor, a coil pipe type evaporation heat exchanger, an air cooler, a condenser and a gas-liquid separator which are sequentially connected, and a hot gas bypass electromagnetic valve is arranged between an inlet of the refrigeration compressor and an inlet of the condenser. The coil pipe type evaporation heat exchanger is arranged in the vacuum evaporation tank, and an outlet of the solution tank is sequentially connected with the liquid supplementing electromagnetic valve, the heat recovery plate type heat exchanger and a liquid inlet of the vacuum evaporation tank; a steam outlet of the vacuum evaporation tank is sequentially connected with a condenser and a purified water tank; an air outlet of the vacuum evaporation tank is connected with the purification water tank, the purification water tank is connected with a gas inlet of the vacuum ejector, and a liquid inlet and a mixed liquid outlet of the vacuum ejector are connected with the circulating water tank; an evaporation coil I is arranged in the circulating water tank, and an evaporation coil II is arranged in the purification water tank, so that the integration of low-temperature evaporation of the solution, system liquid supplement and solution recovery is realized, the solution purification efficiency is high, and the energy consumption is low.

The vacuum evaporation equipment comprises a vacuum process chamber, the vacuum process chamber comprises a top cover, a crystal oscillator probe and a rotating mechanism are arranged on the top cover, the rotating mechanism is connected with a film coating umbrella, a plurality of substrates to be coated are arranged on the film coating umbrella, a through opening is formed in the side face of the vacuum process chamber, and a mounting channel is fixed in the through opening; an adjusting structure is arranged in the mounting channel in a penetrating manner, the end part of the adjusting structure is connected with a correction plate structure, the adjusting structure comprises a cylinder body, the cylinder body is connected with a transmission body, the end part of the transmission body is provided with a revolute pair, the rotating mechanism comprises a fixed cylinder, a motor and a sleeve, a rotating cylinder is rotationally arranged in the fixed cylinder, and the top end of the rotating cylinder is sleeved with a gear ring; and the bottom end of the rotating shaft is connected with a gear, the gear is meshed with the gear ring, and the top end of the rotating shaft penetrates through the transmission assembly and is connected with the transmission assembly, and the top end of the rotating shaft is connected with an encoder. The device has the advantages of being good in film coating effect, high in film coating efficiency and controllable in film coating process.

The invention discloses a method for preparing an upper electrode of a gallium arsenide solar cell for a low-cost space, which comprises the following steps of: corroding a gallium arsenide epitaxial wafer taking germanium as a substrate in a mixed acid corrosion solution, removing an oxide layer and pollutants on the surface of the epitaxial wafer, taking out the epitaxial wafer, and cleaning the epitaxial wafer in deionized water; the surface of the active layer of the epitaxial wafer is tightly attached to the metal grid mesh, the epitaxial wafer is put into vacuum evaporation equipment, electrode metal is evaporated layer by layer in an electron beam evaporation mode, and after evaporation is completed, the epitaxial wafer is taken out from the vacuum evaporation equipment when the epitaxial wafer is cooled to 100 DEG C or below; and placing in a vacuum sintering furnace, heating at a constant temperature for a period of time, cooling to below 100 DEG C, and taking out to obtain the space gallium arsenide solar cell top electrode. A traditional photoetching process is replaced by a metal grid mesh, the surface of an active layer of an epitaxial wafer is tightly attached to the metal grid mesh, and then the epitaxial wafer is put into a vacuum coating machine to be subjected to metal evaporation. And the evaporated metal is deposited on the surface of the epitaxial wafer through gaps of the grid mesh to prepare a conductive upper electrode.

The invention discloses a galvanization bath steam guiding device for vacuum evaporation galvanization, and relates to the technical field of vacuum coating, and the technical scheme is that the galvanization bath steam guiding device comprises a bath body, a bottom plate is fixedly connected to the bottom of the bath body, a cover plate is arranged at the top of the bath body, a first sealing gasket is arranged between the cover plate and the bath body, and the first sealing gasket is fixedly connected with the bottom of the cover plate; the bottom of the cover plate is fixedly connected with two stand columns located in the pool body, and the bottom of the cover plate is fixedly connected with two stand columns located in the pool body. Then four magnets I rotate back and forth under the action of magnetic force, so that four magnets II continuously rotate back and forth, and then two pipelines III continuously rotate back and forth, so that the positions of through holes can be continuously changed, the blowing direction of zinc steam is continuously changed, the zinc steam can be uniformly attached to the surface of a to-be-plated workpiece, and the surface of the to-be-plated workpiece is protected. And thus, the coating quality is ensured.

The invention relates to a vacuum evaporation unit (10) comprising:-a vacuum chamber (11) for containing a liquid solution (SL) to be treated, which in turn comprises a lower part (12) for collecting the liquid solution and an upper part (13) for generating rising vapours (V) from said liquid solution; a condensation chamber (14) in which condensation of the vapour (V) resulting from boiling of the liquid solution (SL) takes place; -heat exchange means (15) configured to generate a heat exchange between the vapour (V) of the liquid solution (SL) and the liquid solution (SL) itself; -first conveying means (16) configured to guide said vapour (V) from said upper portion (13) of said vacuum chamber (11) to said heat exchange means (15). The unit comprises a scrubbing tower (20) configured for countercurrent treatment of the vapour (V) exiting the vacuum chamber (11) with a liquid absorption solution (SA).

The invention belongs to the field of photoelectric device display, and particularly relates to an intrinsic stretchable electroluminescent device and a preparation method and application thereof. The intrinsic stretchable electroluminescent device is composed of an intrinsic stretchable transparent substrate, an intrinsic stretchable transparent anode, an intrinsic stretchable hole injection / transmission layer, an intrinsic stretchable luminescent layer, an intrinsic stretchable electron injection / transmission layer, a metal cathode and liquid metal. Each layer is prepared independently, the liquid metal is deposited on the metal cathode through blade coating, spraying, dispensing printing and the like, and the other layers are deposited into a film through a solution method or a vacuum evaporation method; in the preparation process, the intrinsic tensile property of the device can be realized without special structures (such as wrinkles, island bridges, snakelike, paper-cut and the like), and the method has the advantages of simple process, low cost, wide application range and universality.

The invention relates to the technical field of electrode coating preparation, in particular to an iridium tantalum coating for a metal electrolysis anode plate and a preparation method. The catalyst comprises the following raw materials: iridium acetylacetonate, 1, 3-propylene glycol, tantalum pentoxide and dimethylplatinum dichloride. According to the method, the grooves are formed in the surface of the metal anode plate, then part of the substrate liquid is coated on the surface of the metal anode plate, so that the substrate liquid permeates into the grooves and forms the substrate film on the surface, the doped film is formed on the substrate film through a vacuum evaporation method, and the doped film is formed on the substrate film through the bonding characteristic of the substrate film and the high adhesiveness provided by the grooves. A substrate film and a doped film are firmly combined on the surface of a metal anode plate, carboxyl functional groups in 1, 3-propylene glycol in residual substrate liquid are cross-linked and matched with dichlorodimethylplatinum, so that the corrosion resistance and the wear resistance of the coating are improved, the binding force of the coating and other materials is improved, and the iridium tantalum coating with strong adhesive force is generated; and the coating is prevented from falling off, so that the corrosion resistance of the anode plate is ensured.

The invention belongs to the technical field of active cables, and particularly relates to an active cable made of indium tin oxide, an inner shielding layer preparation device and a preparation method thereof.The active cable comprises an inner conductor, inner shielding layers, an insulating layer, an outer shielding layer set and a sheath layer, the inner conductor comprises two wires arranged in parallel, each wire is sleeved with one inner shielding layer, and the insulating layer is arranged in the outer shielding layer set; the inner shielding layers are made of indium tin oxide, the insulating layer is arranged outside the two inner shielding layers in a sleeving mode, and the insulating layer is sequentially wrapped with the outer shielding layer set and the sheath layer outwards. The electric field of the active cable in the transmission process is enhanced through the indium tin oxide of the inner shielding layers, and therefore the effective transmission distance of the active cable is increased; meanwhile, by means of the excellent heat insulation property of the micron-sized indium tin oxide film, it can be guaranteed that the use performance of the active cable can be stably guaranteed at the extreme temperature, the vacuum evaporation method is used, the film forming method is simple, the purity and compactness of the film are high, the film structure and performance are unique, and the processing method can be used for large-scale production.

The invention relates to the technical field of electroluminescent devices, in particular to a large-current quantum dot electroluminescent device and a preparation method thereof. The device comprises a substrate, a cathode, an electron transport layer, a quantum dot light-emitting layer, a current focusing layer, a hole transport layer, a hole generation layer and an anode which are tightly stacked in sequence, the current focusing layer is provided with a slit which is used for regulating and controlling the injection path of hole current to the quantum dot light-emitting layer and improving the bearable current density threshold value of the device. The material of the current focusing layer is one or more of lithium fluoride, magnesium fluoride and aluminum oxide; and the hole generation layer is used for efficiently enhancing hole injection. The invention further provides a preparation method for preparing each layered structure through spin coating and vacuum evaporation deposition. The electroluminescent device has the advantages that the hole generation layer and the current aggregation layer are utilized to construct the electroluminescent device capable of realizing large-current driving, the problem that carrier injection in the device under large-current driving is limited is solved, and the current tolerance and the luminous intensity of the device are effectively improved.

The utility model discloses a switching mechanism and a device for hanging a substrate in an evaporation cavity, and relates to the field of vacuum evaporation equipment, the switching mechanism comprises an evaporation machine shell and a sealing cover which is hinged and assembled on the side surface of the evaporation machine shell and plays a role in sealing, a hanging disc is concentrically assembled in the evaporation machine shell, and the hanging disc is positioned at the upper part in the evaporation machine shell. According to the utility model, through the cooperation of the first adsorption suspension part, the second adsorption suspension part and the switching unit, the substrate can be fixed below the first adsorption suspension part for single-side evaporation treatment, and then the substrate is transferred below the second adsorption suspension part under the control of the switching unit; and in the transferring process, the base plate can be turned over, that is, double-sided evaporation treatment can be carried out under the condition that the evaporation machine is not stopped.

The utility model discloses a multistage vacuum evaporator, which belongs to the technical field of vacuum evaporators and comprises a base, a liquid collecting box is slidably mounted on one side of the top of the base, a heating plate is slidably mounted on one side, far away from the liquid collecting box, of the top of the base, and a reaction box is fixedly mounted on the top of the base. An evaporation cavity is formed in one side in the reaction box. According to the multi-stage vacuum evaporator, the evaporation cavity, the buffer cavity, the raw material cavity, the guide slope, the liquid guide groove and the spiral condensation pipe are arranged, steam generated by heating in the evaporation cavity is input and immersed in the spiral condensation pipe in the raw material cavity to be condensed, liquid in the raw material cavity is preheated while condensation is conducted, and cyclic utilization of heat energy is achieved; the utilization rate of heat energy is improved, liquid remaining in the evaporation cavity, the buffer cavity and the raw material cavity after evaporation reaction is guided to the liquid guide groove under the guiding effect of the inclined face of the guide slope to be concentrated, and the remaining liquid can be conveniently and completely discharged from the liquid discharge valve.

The invention discloses a perovskite photovoltaic device and a preparation method and application thereof, and the preparation method of the perovskite photovoltaic device comprises the following steps: dissolving heterocyclic molecules in a solvent, stirring and dissolving to prepare an interface dipole material, spin-coating the interface dipole material on a hole transport layer, and annealing to form an interface dipole layer, a perovskite material is spin-coated through an anti-solvent method and annealed to form a perovskite film, and then an electron transport layer and a metal electrode are subjected to vacuum evaporation to obtain the perovskite photovoltaic device. Wherein the heterocyclic molecules are one or two of pyridine hydriodate, morpholine hydriodate or pyrrole hydriodate. The perovskite photovoltaic device prepared by the invention has high energy conversion efficiency.

The utility model discloses an evaporation device, which relates to the field of vacuum evaporation equipment, and comprises an evaporation device shell, two crucibles for containing evaporation materials are arranged at the bottom of the inner side of the evaporation device shell, a concave arc jacking block is arranged between the two crucibles, and the concave arc jacking block is fixedly connected with the evaporation device shell. The upper portion of the evaporation device shell is in an arc top shape, a partition assembly is arranged in the evaporation device shell, the interior of the evaporation device shell is divided into the two independent evaporation cavities through the partition assembly, the hanging unit and the driving unit are matched, and after one face of a base plate in the two independent evaporation cavities is evaporated, the two faces of the base plate in the two independent evaporation cavities are separated from each other through the partition assembly. The position of the base plate in the hanging unit can be directly changed between the two independent evaporation chambers, namely, the other side of the base plate can be evaporated, and due to the fact that plating materials in the crucibles in the two independent evaporation chambers are different, evaporation treatment of different materials can be conducted on the double mirror faces of the base plate in the same evaporation process.

The invention relates to a fluoride-free anti-fingerprint agent as well as a preparation method and application thereof. According to the fluoride-free anti-fingerprint agent, polypotent silane based on an isocyanurate ring, polysiloxane with one or more pods at one end and a catalyst are mixed, then a diluent is added, and the mixture is stirred to be uniform, so that the fluoride-free anti-fingerprint agent is obtained. The fluoride-free anti-fingerprint agent has good thermal stability, a fluoride-free anti-fingerprint film with good compactness can be formed in a vacuum evaporation or magnetron sputtering mode, and the fluoride-free anti-fingerprint film is good in film structure, has excellent anti-fingerprint performance and wear resistance and has extremely wide application prospects.

The utility model discloses a low-temperature vacuum evaporation concentration system, which relates to the technical field of chemical equipment and comprises a treatment tank, a cleaning component is arranged in the treatment tank, and a lifting component is arranged at the top end of the cleaning component; the cleaning assembly comprises a top cover, a rotating pipe sleeve is rotationally installed at the top end of the top cover, the bottom end of the rotating pipe sleeve penetrates through the top end of the top cover, the outer surface wall of the rotating pipe sleeve is fixedly sleeved with a first gear, and two telescopic rods are fixedly installed at the bottom end of the first gear; the telescopic ends of the two telescopic rods are fixedly provided with a connecting ring, and the inner wall of the connecting ring is fixedly provided with a cleaning pipe. The cleaning assembly can make the cleaning pipe rotate, impact cleaning can be conducted on the inner wall of the treatment tank from different angles, the lifting assembly can make the cleaning pipe ascend and descend within a certain range, the inner walls, at different heights, of the treatment tank are cleaned, and the cleaning effect on the treatment tank is improved through mutual cooperation of the cleaning assembly and the lifting assembly.

The invention discloses a movable regulation and control type rotating mechanism for a vacuum evaporator, and belongs to the technical field of vacuum evaporators, the movable regulation and control type rotating mechanism comprises a supporting column and a transmission gear mounted in the supporting column, the side edge of the transmission gear is in meshed connection with a linkage gear, the linkage gear is in key connection with a power rod, a positioning sleeve is fixed on the power rod, and the positioning sleeve is in key connection with the linkage gear. And the circumferential direction of the positioning sleeve is connected with a limiting ring through a rotating arm, a clamping ring is embedded in the limiting ring, and the clamping ring is fixed in the vacuum evaporator. According to the movable regulation and control type rotating mechanism for the vacuum evaporator, by arranging the hanging piece capable of being movably adjusted at the bottom, the position of the hanging piece can be conveniently adjusted according to plating pots with different diameters, so that the hanging piece is suitable for installation of the plating pots with different sizes, and meanwhile, the water cooling assembly is arranged in the rotating arm and used for cooling the rotating arm; and the probability of uneven deformation of the rotating frame due to heating is reduced.

The invention discloses a small-size sealing cover plate with a thin solder layer and a preparation method of the small-size sealing cover plate, and the method comprises the following steps: pasting a mechanically punched cover plate on the adhesive surface of a sputtering process adhesive tape at a certain gap by using an automatic chip mounter, and pasting the adhesive surface of the single-sided sputtering process adhesive tape cut into a certain shape downwards at the center of the cover plate; evaporating a metal adhesion layer and a solder layer on a vacuum evaporation table; and finally, cutting the evaporation layer along the reserved cutting line by adopting laser, heating the sol to remove the sputtering process glue and the redundant evaporation layer, and cleaning and drying to obtain the required small-size sealing cover plate with the thin solder layer. The problems that the solder of a thin cover plate climbs the cover, and the thin package is fused into ball solder to easily cause short circuit between gold bonding wires and between the gold bonding wires and the cover plate and the like can be solved.

The invention discloses a functional current collector capable of improving rate capability and a preparation method thereof, and relates to the technical field of functional current collectors. Nano cellulose is modified, and the modified nano cellulose is added in the process of preparing the high-rate-performance functional current collector, so that the mechanical property of the high-rate-performance functional current collector is enhanced, and the electrical conductivity is improved; aluminum oxide, metal aluminum and aluminum oxide are sequentially deposited in cooperation with vacuum evaporation to serve as insulating materials, an electronic insulating barrier can be provided, short circuit is prevented, chemical stability is kept in the high-temperature and high-pressure environment, and the hardness and abrasion resistance of the film are enhanced; the surface of a high polymer material is generally non-polar and inert and has great difference with the chemical property of metal aluminum, and an aluminum oxide bottoming mode is used for performing interface optimization on a subsequent evaporation aluminum layer, so that the layering risk is reduced; the metal aluminum is an excellent conductor, the resistance of the current collector is remarkably reduced, the requirement of high-rate charging and discharging is met, the aluminum density is low, the weight of the battery can be reduced, and the energy density is improved.

The invention discloses a zirconium oxide composite carrier for vacuum evaporation and a preparation method thereof. The carrier is prepared by sintering the following raw material components in parts by mass: 10-30 parts of zirconium oxide, 1-7 parts of carbon powder, 0.05-6 parts of a pore forming agent and 1-9 parts of a high-temperature-resistant binder, the specific surface area of the composite carrier is 280-310 m < 2 > / g. The preparation method of the carrier comprises the following steps: mechanically activating zirconium oxide and carbon powder, and sintering at high temperature to obtain carbon-zirconium oxide composite particles; and uniformly mixing the carbon-zirconium oxide composite particles, a pore-forming agent and a high-temperature-resistant binder, carrying out mold pressing to obtain a composite carrier precursor, and sequentially carrying out low-temperature microwave pore-forming, cleaning and drying on the composite carrier precursor to obtain the carbon-zirconium oxide porous carbon carrier. According to the composite carrier, by strictly limiting the ratio of the raw material components, the specific surface area and porosity of the carrier are greatly improved, meanwhile, the excellent chemical stability of the carrier is guaranteed, the problems that a steel wool carrier is prone to rusting and deterioration, a coating agent is prone to remaining and the like are solved, and reutilization of the coating carrier is achieved.

A method for recovering boron oxide from dust generated in the ferroboron smelting process belongs to the technical field of boron metallurgy and specifically comprises the following steps: in the ferroboron smelting process, high-temperature tail gas is introduced into a cyclone dust collection system and then is fed into a bag dust collection system to obtain boron-containing dust; the preparation method comprises the following steps: taking hexanediol, isooctanol, isoamyl alcohol and butanol as raw materials to prepare mixed polyol; the method comprises the following steps: mixing boron-containing dust with a composite solvent, and then transferring to a stirring reflux device for leaching under a constant-temperature condition; after the leaching is finished, separating by adopting a vacuum filtration mode to obtain a boron-containing solution and primary residues, washing the obtained primary residues by using butanol to obtain a washing solution and secondary residues, and returning the washing solution to the washing process of the primary residues for recycling; carrying out vacuum evaporation on the boron-containing solution to obtain solid-phase diboron trioxide and a solvent, and carrying out vacuum evaporation and condensation on the solvent to obtain a mixed solvent; the solid-phase diboron trioxide is used as a ferroboron smelting raw material, and the mixed solvent is returned to the selective leaching process for recycling.

The invention relates to a novel Piston manufacturing process, which belongs to the field of filter devices, and specifically comprises the following steps of: S1, providing a substrate and cleaning to prepare for subsequent photoetching; s2, IDT photoresist coating, exposure and development are carried out, and PR glue presents a corresponding interdigital morphology; s3, depositing an IDT metal layer; s4, continuously coating, exposing and developing a second layer of photoresist on the IDT metal layer, and forming a strip-shaped morphology containing a Piston structure at the tail end of an IDT interdigital; step S5, depositing a Piston metal layer; and step S6, a Lift-off process is adopted, and an IDT-Piston projection structure is formed. According to the invention, the Piston metal is evaporated in vacuum, the integration of the IDT-Piston bulge structure is directly realized in the vertical direction, the process flow is simplified, the cost is saved, and the performance of the filter is improved.

The vacuum evaporation device comprises a bottom plate and a vacuum evaporation box, a mounting cylinder is fixed to the inner bottom wall of the vacuum evaporation box, an evaporation source is arranged in the mounting cylinder, the cooling assembly is jointly mounted on the bottom plate and the vacuum evaporation box, and the cooling assembly comprises a liquid storage box, a circulating pump and a cooling pipe. The cooling pipe penetrates through the side wall of the vacuum evaporation box and is fixed, the mounting cylinder is sleeved with the cooling pipe in a spiral shape, the end, away from the circulating pump, of the cooling pipe is fixed and communicated with the side wall of the liquid storage box, the cooling assembly further comprises a refrigerator arranged on the cooling pipe, and when an evaporation source needs to be cooled, a worker starts the circulating pump and the refrigerator; according to the vacuum evaporation device, the cooling liquid in the liquid storage tank is pumped into the cooling pipe and circulated, the cooling liquid in the cooling pipe is cooled by the refrigerator, and the cooling liquid takes away heat dissipated by the mounting cylinder in the process of flowing around the mounting cylinder, so that the evaporation source is rapidly cooled, the cooling efficiency of the evaporation source is improved, and the working efficiency of the vacuum evaporation device is improved.