48results about How to "Uniform appearance" patented technology

The invention relates to the technical field of printed circuit boards, and particularly discloses an ultra-coarsening process of a printed circuit board and an ultra-coarsening liquid medicine. According to the invention, the printed circuit board is subjected to super-roughening treatment twice, acid pickling is carried out between the two times of super-roughening treatment, and tannic acid and chitosan are used as film forming components together during the second time of super-roughening treatment. After the ultra-roughening process is completed, the copper surface binding force of the formed film layer is fully improved, the defects in the related technology are overcome, and the performance requirements of high-end products can be better met.

Aqueous acidic binary silver-bismuth alloy electroplating compositions and methods enabling electroplating of silver-rich binary silver-bismuth deposits are disclosed. The aqueous acidic binary silver-bismuth alloy electroplating compositions include a 5-membered heterocyclic nitrogen compound having mercapto functionality, which enables deposition of a silver-rich binary silver-bismuth alloy. The silver-rich silver-bismuth deposit is matte to semi-bright, uniform, and has a low coefficient of friction.

The invention discloses a monoether amine modified nonionic waterborne epoxy emulsion as well as preparation and application thereof, and belongs to the field of waterborne industrial anticorrosive coatings. The monoether amine modified nonionic waterborne epoxy emulsion is prepared from the following raw materials: E-20 epoxy resin, dipropylene glycol monomethyl ether, ethylene glycol monobutyl ether, monoether amine, propylene glycol monomethyl ether, a nonionic epoxy emulsifier and deionized water. The nonionic waterborne epoxy emulsion disclosed by the invention is prepared by modifying monoether amine and emulsifying by adopting a nonionic emulsifier, and the prepared nonionic waterborne epoxy emulsion is uniform in appearance, free of mechanical impurities, less than or equal to 0.50 mu m in particle size and 7-8 in pH value.

The invention relates to the technical field of galvanized sheet passivation, and discloses passivation equipment for light-weight high-strength metal parts, which comprises a passivation box, a partition plate is fixedly mounted in the middle of the interior of the passivation box, fixing plates are symmetrically mounted on the front side and the rear side of the passivation box, and supporting plates are fixedly mounted at the upper ends of the fixing plates. And a first motor is fixedly mounted at the upper end of the supporting plate. According to the passivation equipment for the light-weight high-strength metal part, a right rack plate and a left rack plate can be driven to move at the same time through rotation of a rotating gear, when one set of galvanized plates are subjected to passivation treatment, the other set of galvanized plates can be subjected to surface treatment and taken down and a new galvanized plate is put down, the purpose of continuously passivating the galvanized plates can be achieved, and the passivation efficiency is improved. And the passivation solution remaining on the surface of the galvanized plate can be adsorbed through attached rotation of the adsorption extrusion rollers, and the connecting air bag can be extruded through movement of the moving plate, so that the passivation solution on the side face moves to the middle as much as possible, and the passivation solution can be sufficiently extruded and adsorbed by the adsorption extrusion rollers in the follow-up process.

The invention discloses a clindamycin phosphate vaginal gel preparation device and method, and belongs to the technical field of pharmacy. The method comprises the steps that after clindamycin phosphate vaginal gel is prepared by a preparation tank, the clindamycin phosphate vaginal gel is filled into a vacuum defoaming tank through a feeding opening in the bottom of the vacuum defoaming tank, and a packaging tank is conveyed to a rotary positioning mechanism through a conveying mechanism; and the filling mechanism is used for filling the clindamycin phosphate vaginal gel stored in the vacuum defoaming tank into the packaging tank on the rotary positioning mechanism. The invention aims to solve the problems that the existing clindamycin phosphate vaginal gel is complex in preparation process and difficult to carry out constant temperature control, the preparation and filling process needs to be transferred for multiple times, the viscosity of the gel can change along with time, temperature or storage conditions, the uniformity of the gel and the use experience of a patient are influenced, and the gel is difficult to be used. And the filled finished product gel is very easy to have a large number of bubbles, so that a more transparent and uniform gel product can be obtained, and the physical property and the use comfort of the gel are improved.

The invention discloses a low-absorption high-emission thermal control coating resistant to an aerodynamic thermal environment and a preparation method of the low-absorption high-emission thermal control coating. The coating comprises a base material and a coating body. The coating is of a bottom surface layer structure, an organic silicon resin functional group modified phenyl methyl silicon resin component A and an organic silicon resin functional group modified phenyl methyl silicon resin component B serve as a binding agent, a resin component A comprises basic resin and a crosslinking catalyst, and a resin component B comprises basic resin and a crosslinking agent; the bottom surface layer structure comprises a bottom layer and a surface layer; mixed powder of boron nitride, aluminum oxide and hollow glass microspheres is used as filler in the bottom layer; zinc titanate powder and aluminum oxide whiskers are used as fillers in the surface layer. Aiming at various harsh working conditions such as maintaining a heat balance state required by the spacecraft in complex environments such as raining, high-temperature and high-speed pneumatic scouring, high-low temperature alternation and space radiation, the operation stability of a cabin of the spacecraft after experiencing various environments is improved, and the in-orbit space application environment requirements of the subsequent spacecraft are met.

The invention discloses a chromium-free high-temperature anti-oxidation passivator for electrolytic copper foil, wherein the passivator is composed of the following components: 10-22 g / L of a complexing agent; 2-6 g / L of a corrosion inhibitor; 1-3 g / L of an auxiliary corrosion inhibitor; 8-300 g / L of an antioxidant; 0.1-0.5 g / L of a wetting agent; and deionized water as a solvent. The passivator does not contain chromium, meets environmental protection requirements, saves wastewater treatment costs, and further improves the high-temperature anti-oxidation performance of the electrolytic copper foil.

The embodiment of the invention discloses a high-strength corrosion-resistant CuNi10Fe1Mn alloy copper pipe and a preparation method thereof, relates to the technical field of non-ferrous metal material manufacturing, and aims to solve the technical problem of poor production in the prior art. According to the high-strength corrosion-resistant CuNi10Fe1Mn alloy copper pipe, the content of Ni ranges from 9.0% to 11.0%, the content of Fe ranges from 1.0% to 2.0%, the content of Mn ranges from 0.5% to 1.0%, the sum of impurity elements does not exceed 0.2%, and the balance is Cu.

The application provides an automatic flame polishing method for a quartz wafer, which comprises the following steps: placing a quartz wafer to be polished on a clamp, wherein the clamp comprises a roller provided with a groove, and the edge of the quartz wafer is placed in the groove; controlling a polishing gun to be aimed at the surface of the quartz wafer; and controlling the polishing gun to spray a flame and automatically polish the quartz wafer according to a set moving track while the roller drives the quartz wafer to rotate. Compared with traditional manual polishing, the method has high efficiency, stable polishing, uniform appearance of the polished quartz wafer, and good consistency, so that the processing yield is improved. Moreover, the quartz wafer is driven to rotate by the roller, so that the bumping problem caused by repeated clamping during the polishing process of the quartz wafer is avoided.

Disclosed are a film prepared from a waste thermoplastic elastomer and recycled polyester, and a laminate thereof. The composition for forming the film comprises: 0.5%-90% of a waste thermoplastic elastomer, 0.5%-90% recycled polyester having an intrinsic viscosity of between 0.5-2, 0.01%-3% of a viscosity modifier, 0.01%-10% of a slipping agent for preventing adhesion when the prepared film is rolled, and 0%-98% of a fresh thermoplastic elastomer. The recycled polyester is a recycled polyester bottle, a polyester fishing net, a polyester packaging material, an electronic product polyester injection molded part, a polyester building product, polyester home textiles, and the like. The thermoplastic elastomer is a terylene elastomer, a nylon elastomer, a biologically derived nylon elastomer, and / or a biologically derived terylene elastomer. The prepared film has good moisture permeability, washing performance, tensile strength, and desired hand feel softness.

This utility model discloses a water-cooled pressure cooking appliance, including a pot body and a pot lid. The pot lid is provided with a water-cooling cavity. The water-cooled pressure cooking appliance also includes a water tank detachably installed on the pot body or the pot lid. The bottom wall of the water tank is provided with a connecting port, which communicates with the water-cooling cavity. When the water tank is removed, coolant can be added to the water tank through the connecting port. The water tank is also provided with a baffle wall protruding towards the inside of the water tank, surrounding the outer periphery of the connecting port. When the water tank is inverted, as the user adds coolant to the water tank, the liquid level in the water tank gradually rises until it contacts the baffle wall. At this time, the coolant and the baffle wall form a water seal, and some air is trapped in the cavity area. The coolant does not completely fill the cavity area, thus strictly controlling the amount of coolant in the water tank. Furthermore, when the heated coolant flows back into the water tank, the risk of coolant overflowing from the vent is reduced because the coolant is far from the vent.

The invention relates to a lighting device for a vehicle, having a flat light guide unit (2) for generating a predefined light function, comprising: opposite flat sides (9, 10), on which coupled light (L1, L2) can be totally reflected within the flat light guide (8) in a light guide direction (11); the invention relates to a lighting device (1) having a flat side (2), a narrow side (12, 12 ') connecting the flat side, at which light energy generated by a light source (13) is coupled into a flat light conductor, and having a retroreflector unit (3) for generating a retroreflective function, which retroreflector unit comprises a plurality of retroreflective elements (18) arranged in a plane, the retroreflector unit is arranged offset from the flat light conductor of the flat light conductor unit in the main emission direction (H), the flat light conductor of the flat light conductor unit being arranged downstream of the retroreflector unit in the main emission direction.

The invention discloses a preparation method of copper modified lignin carbon nanospheres, which comprises the following steps: adding lignin into tetrahydrofuran, uniformly dissolving, adding water, stirring to remove tetrahydrofuran, and carrying out hydrothermal reaction to obtain lignin nanospheres; zinc nitrate and copper chloride are added into water, and a solution A is obtained; adding adenine into DMF (Dimethyl Formamide) and heating until the adenine is dissolved to obtain a solution Adding lignin nanospheres into water, and ultrasonically dispersing uniformly to obtain a solution C; and adding the solution A into the solution B, then adding the solution C, continuously stirring, centrifuging, and freeze-drying. And drying, mixing and grinding with potassium bicarbonate, and then transferring into a tubular furnace for two-stage calcination to obtain the copper-modified lignin carbon nanospheres. The lignin nanospheres are prepared by adopting a solvent exchange method and are compounded with transition metal copper to realize high-added-value utilization of lignin, and the lignin nanospheres can be used for degrading water pollutants and water-based zinc ion batteries and have excellent degradation effect and electrochemical performance.

The invention relates to a stable emulsion type nutritious food and a preparation method thereof, and belongs to the technical field of medical food for special diets, and every 100mL of the stable emulsion type nutritious food contains specific contents of protein peptides, fat, carbohydrates, various vitamins, nicotinamide, folic acid and various mineral compounds. The adhesive is prepared from Arabic gum and high-acyl gellan gum in a specific proportion. Protein peptide is prepared through step-by-step enzymolysis of nattokinase and fig protease, the ratio of Arabic gum to high-acyl gellan gum is adjusted, and the product is obtained through a special preparation method. The problem of solution instability caused by fat floating, precipitation and the like due to high-temperature and high-pressure sterilization and long-term storage when the peptide solution and fat as well as the peptide solution and mineral ions coexist is effectively solved, and the emulsion type formula food for special medical purposes, which has good fluidity, uniform appearance, thermal stability and storage stability, can be obtained.

The present invention provides a natural skin care hydrogel for pet wounds and a preparation method and application thereof, wherein the raw materials for preparing the hydrogel include: a gel forming agent, a moisturizing agent, aloe polysaccharide, zinc hyaluronate, saccharic acid, laurocapron, zinc gluconate, vitamin E, vitamin B, PEG-40 castor oil, polyethylene glycol, triethanolamine, mint essence, ethyl hydroxybenzoate and deionized water. The natural hydrogel matrix screened out by the present invention can absorb and retain a large amount of water to form a soft, elastic and transparent gel-like substance; the gel has a uniform appearance and has the dual effects of hydration and absorption, and has good gel network mechanical properties, density, apparent viscosity, water absorption and moisturizing air permeability, can keep the wound surface moist and have the dual effects of hydration and absorption, autonomously moisturize the wound surface to promote epidermal growth and epithelial regeneration, prolong the contact time with the skin, and improve the absorption of effective substances; the physicochemical properties are stable, and it is a very ideal skin dressing for external use.

The present invention discloses a 3D core material weaving device, which belongs to the technical field of manufacturing 3D woven composite floors for rail transit vehicles. The present invention comprises a bracket; a core material clamping mechanism, which is arranged on the bracket, and the core material clamping mechanism has a core material bracket for fixing the core material; a weaving mechanism, which comprises a movable walkway that can be displaced, a workbench and a turntable wiring platform that are slidably connected to the movable walkway and move perpendicularly to the displacement direction of the movable walkway; and a second motor that drives the workbench and the turntable wiring platform to move, wherein a first motor that drives the movable walkway to be displaced is fixedly connected to the bracket, and a third motor that drives the fiber line to be routed is fixedly connected to the turntable wiring platform; and also comprises a needle mechanism fixedly connected to one side of the turntable wiring platform, which is used to pierce the fiber line of the weaving mechanism into the core material. The core material woven by the present invention has a delicate and uniform appearance and a high pass rate, thereby realizing efficient and accurate weaving of the core material, and the operation is simple and easy to use.

The invention relates to a drug delivery system, and discloses a bionic traditional Chinese medicine co-assembled drug delivery system targeting myocardial fibrosis and application of the bionic traditional Chinese medicine co-assembled drug delivery system. The bionic traditional Chinese medicine co-assembled drug delivery system is mainly formed by wrapping traditional Chinese medicine co-assembled nanoparticles with a platelet membrane; the traditional Chinese medicine co-assembled nanoparticle is composed of a natural small molecule compound astragaloside derivative LS102 and Z-ligustilide, the preparation process is simple, no carrier is needed, and the cost is low. According to the bionic traditional Chinese medicine co-assembled nano drug delivery system, the particle size distribution is 190-200 nm, the potential is about-30 mV, and the bionic traditional Chinese medicine co-assembled nano drug delivery system is in a uniform sphere shape of a core-shell structure and is high in stability and biological safety. According to the invention, the blood vessel injury diseases such as myocardial infarction, myocardial fibrosis, atherosclerosis, hypertension and the like can be precisely treated by targeted damaged myocardium pair multi-component drug combined delivery by using the natural homing effect of the platelet membrane, and the application has outstanding substantive features, optimal practical effect and higher economic value.

The invention discloses carotenoid composite particles with a low contact angle as well as a raw material composition, a preparation method and application of the carotenoid composite particles. According to the method, the problems that carotenoid is poor in water solubility and easy to degrade are solved, and the use risk of organic reagents is reduced. The composite particles contain 5-20% of carotenoid (such as lutein, beta-carotene and the like), a carrier, an emulsifier, a small molecule filler and an antioxidant. Through multiple times of low-temperature co-grinding, the contact angle is gradually reduced, and it is ensured that the particles have excellent hydrophilicity and stability. According to the process, the production process is simplified, the energy consumption is reduced, the stability of the product during rapid dissolution and dispersion in cold water and high-temperature sterilization is ensured, and the floating oil or layering phenomenon is avoided. And the final product is suitable for various foods and health-care product preparations such as solid beverages, liquid beverages, tablets and the like, as well as skin care products and cosmetic products, is particularly suitable for application scenes needing high-temperature treatment, and provides better stability and safety guarantee.

The invention discloses a preparation process and system of superfine fiber non-woven fabric based on regenerated cellulose, and belongs to the technical field of non-woven fabric production. On one hand, the invention provides a preparation process which comprises the working procedures of filtering, spinning, blowing, spraying, spunlacing, drying and the like, and solves the problems that in the preparation process of the superfine fiber non-woven fabric, the fiber bonding degree is high, films are formed in more areas, the number of monofilaments in the non-woven fabric is small, and part of monofilaments are embedded in the films, so that the non-woven fabric is difficult to deform. Part of monofilaments are highly crossed and bridged among the films; on the other hand, an adaptive preparation system is provided, and orderliness, controllability and stability of the preparation process are guaranteed; finally, the melt-blown non-woven fabric of the superfine fibers is obtained, and in the obtained melt-blown non-woven fabric of the superfine fibers, the fibers are fine and soft, the diameters of the fibers are uniform, and diameter distribution is concentrated.

This invention provides a method for processing a silicon plasma shunt disk, belonging to the technical field of silicon components for chip etching, including the following steps: S1, grinding the silicon plasma shunt disk blank to reduce its thickness to the final product thickness +1-2mm, parallelism to 0.09-0.15mm, and flatness to 0.05-0.11mm; S2, machining positioning holes, small holes, and other features on the silicon plasma shunt disk blank; S3, flipping the silicon plasma shunt disk blank and machining the reverse side features; S4, performing double-sided LAP grinding on the silicon plasma shunt disk blank with the features completed; S5, etching the ground silicon plasma shunt disk blank with mixed acid; S6, polishing the etched silicon plasma shunt disk blank with a polishing machine. This invention first processes the features of the silicon plasma distribution disk, then performs double-sided LAP grinding to remove the tool marks generated during processing, and finally, after etching and polishing, the roughness of the polished surface is lower than Ra0.05.

The utility model discloses a high-temperature-resistant semiconductive copper protection wire sheath material, which relates to the technical field of copper protection wire sheath materials, and comprises a semiconductive copper protection wire sheath material body, a flame-retardant layer is arranged on the outer side surface of a support reinforcing layer, and a flame-retardant coating is sprayed on the outer side surface of an aluminum film sheath layer. According to the utility model, the flame-retardant layer and the flame-retardant coating are matched with each other, the flame-retardant polyurethane has super-strong high temperature resistance, fire spreading can be effectively prevented, internal electrical elements are protected from being damaged by flames and smog, the flame-retardant epoxy resin coating has high temperature resistance, the flame-retardant coating can effectively inhibit flame spreading, and the flame-retardant coating has high temperature resistance. The semi-conductive copper protection wire sleeve has the advantages that fire disasters are prevented from occurring and diffusing, the influence of ultraviolet rays, high temperature, humidity and other external environments can be resisted, the service life of the semi-conductive copper protection wire sleeve body is prolonged, the flame-retardant epoxy resin coating can provide uniform and attractive appearance for the semi-conductive copper protection wire sleeve body, and the overall texture and appearance attraction of products are enhanced.

The invention relates to a reinforcing device (1) for reinforcing a textile fabric web (2), having a conveyor belt (3) for conveying the fabric web (2) between two device components for producing or processing the textile fabric web (2), having at least one nozzle bar (4a, 4b, 4c), the nozzle bar (4a, 4b, 4c) is designed to reinforce the fabric web (2) by means of a water jet (6) under high pressure, characterized in that a movable device (8) is arranged between the nozzle bar (4a, 4b, 4c) and the fabric web (2), said movable device being designed to interrupt the water jet (6).

Disclosed in the present invention are a film prepared from a waste thermoplastic elastomer and a laminate thereof. Compositions for forming the film comprise: 0.5%-99.8% of a waste thermoplastic elastomer, 0.01%-3% of a viscosity modifier, 0.01%-10% of a slipping agent for preventing the prepared film from being bonded when the film is rolled, and 0%-99% of a fresh thermoplastic elastomer; the thermoplastic elastomer is a polyester elastomer, a nylon elastomer, a biologically sourced nylon elastomer and / or a biologically sourced polyester elastomer, and a graft thereof; the viscosity modifier is a reactive viscosity modifier and / or a non-reactive viscosity modifier; and the slipping agent is a fatty acid and esters thereof, fatty acid amide, a metallic soap, hydrocarbons, an organosilicon compound, stearic acid, butyl stearate and / or ethylene bis stearamide. A thermally-stitched seam of the present invention has the characteristics of having excellent waterproof and vapor permeable performance, being capable of blocking viruses and liquids, being smooth in appearance without wrinkles and soft in touch feeling and the like. The film prepared in the present invention has good moisture permeability, washing performance, tensile strength, and required touch feeling softness.

This invention discloses a method for preparing Ganoderma lucidum and jujube seed compound freeze-dried flash release tablets by enzymatic hydrolysis and fermentation, which relates to the field of traditional Chinese medicine preparation technology. The method includes the following steps: (1) Raw material pretreatment: Jujube seed is crushed and mixed with citrate buffer to obtain jujube seed slurry; Ganoderma lucidum fruiting body is ultra-finely pulverized and mixed with cut lily petals to obtain mixed raw materials. This invention uses a specific ratio of compound enzymes (cellulase, pectinase, β-glucanase) in an optimized acidic environment for enzymatic hydrolysis, which can efficiently and selectively destroy the plant cell walls of jujube seed, Ganoderma lucidum and lily, and fully release the active ingredients in the cells; the subsequent fermentation of Lactobacillus plantarum can further decompose the substrate and may produce new beneficial metabolites, forming a synergistic biotransformation, which greatly improves the extraction rate of total active ingredients and product value.

The utility model provides a lift car top protective guard device of a box type lift and a sightseeing lift. The protective guard device comprises a frame upper beam, a frame lower beam and a frame upper beam, a frame lower beam; a plurality of frame side beams; the glass plates are arranged in a space defined by the frame upper beam, the frame lower beam and the frame side beams; the outer side upper glass pressing plate is connected to the lower end of the frame upper beam and located on the outer side, the inner side upper glass pressing plate is connected to the lower end of the frame upper beam and located on the inner side, the outer side lower glass pressing plate is connected to the upper end of the frame lower beam and located on the outer side, and the inner side lower glass pressing plate is connected to the upper end of the frame lower beam and located on the inner side. The upper end and the lower end of the glass plate are clamped between the outer side upper glass pressing plate and the inner side upper glass pressing plate and between the outer side lower glass pressing plate and the inner side lower glass pressing plate respectively. The protective fence device can provide maintenance, installation and protection for the sightseeing elevator and is unified with the appearance style of the sightseeing elevator, and the attractiveness of the sightseeing elevator is improved; no gap exists on the side face of the protection device, and tools or sundries are prevented from falling in the maintenance process.

The invention belongs to the technical field of solar energy manufacturing, and particularly relates to a micro-nano bubble assisted alkali texturing method and system, and the method comprises the following steps: S1, taking an original silicon wafer, carrying out the pre-cleaning and water washing treatment, preparing an alkali texturing liquid medicine, and heating the liquid medicine to 65-90 DEG C; s2, starting a micro-nano bubble generator, mixing an air source with the alkali texturing liquid medicine in the micro-nano bubble generator to prepare micro-nano bubble water, and continuously introducing the micro-nano bubble water into the bottom of the alkali texturing tank through a pipeline; s3, immersing the original silicon wafer treated in the step S1 into an alkali texturing groove, and fully corroding to finish texturing; and S4, taking out the textured silicon wafer, and sequentially carrying out alkali washing, acid washing, water washing and drying.

The invention relates to the field of textile, and discloses a hemp fiber bleaching process, which comprises the steps of pre-acid treatment, water washing, alkali boiling-off, re-water washing, oxygen bleaching, third-time water washing and softening treatment. Through scientific and accurate process control, the whiteness of the bleached fibrilia reaches a high standard, fiber damage is reduced as much as possible, and high strength is kept. Compared with a traditional bleaching process, the method effectively solves the problem that the fiber strength loss is large in the bleaching process, the final finished product has better durability and attractiveness, meanwhile, through the reasonable softening treatment procedure, the softness of the jute fibers is remarkably improved, the hand feeling of the jute fibers is more comfortable and fine, and the spinnability of the fibers is enhanced. The linen fibers subjected to softening treatment can be efficiently blended with the cotton fibers, and the prepared cotton and linen blended yarn is excellent in cohesive force, softness and elasticity.

This utility model discloses an automatic sprue unloading structure, including a cutting structure and an unloading conveyor line disposed below the cutting structure; the cutting structure includes a cutting platform, a support block slidably disposed at one end of the cutting platform, a cutting block fixedly disposed at the other end of the cutting platform, and a driving unit for driving the support block away from or closer to the cutting block; the sprue has a connecting section connected to the outer periphery of the workpiece, the cutting block is disposed directly opposite the connecting section, the support block supports the workpiece close to the cutting block to cut off the sprue of the workpiece, and a discharge chute is formed between the support block and the cutting block, the discharge chute being located above the unloading conveyor line.

The utility model discloses a kind of black high-reflective insulating light guide film and photovoltaic module, light guide film is designed through six functional laminated, realize the synergic optimization of optical performance and structural reliability in photovoltaic module, the transmission of infrared light and the directional reflection effect of metal reflection layer on the surface of prism structure form coupling through first black coating, infrared light line incident to cell gap is efficiently guided to cell, significantly improve the utilization of photovoltaic module to infrared band in solar spectrum, simultaneously, the dark appearance of first black coating in visible light band perfectly shields cell gap, ensure photovoltaic module appearance uniformity, and its insulating characteristic effectively blocks electric leakage channel, guarantee photovoltaic module electrical safety, provide stable support to suppress laminated deformation by substrate layer, in combination with the stress buffering and interface matching ability of bonding layer, ensure the long-term stability of photovoltaic module under harsh environment, make double-glass photovoltaic module have the advantages of full-black appearance and higher power generation gain.