28 results about "Surface membrane" patented technology

The application discloses a preparation method of an aluminum shielding tape surface conductive self-repairing coating. First, a clean aluminum shielding tape surface is obtained through an in-situ reduction / etching pretreatment method based on an aluminum salt / fluoride salt compound solution; second, a conductive / self-repairing dual-effect enhancer is prepared and introduced into a conductive / self-repairing coating synthesized by polyether amine, diisocyanate, a multiple active amine compound, p-xylene glycol and aniline; finally, the solid content of the coating is adjusted and sprayed on the clean aluminum shielding tape surface to obtain the conductive self-repairing coating. The application converts the Al2O3 film on the aluminum surface into a new substance Al, simultaneously constructs a regular porous structure, increases the bonding strength of the film layer, improves the adaptability and self-repairing efficiency of the coating in cable manufacturing and subsequent operation through the construction of a coating with multiple dynamic hydrogen bonds and imine bond synergistic effect, and realizes good conductive enhancement effect and rapid thermal self-repairing purpose of the coating by using isocyanate modified carbon nanotubes as the enhancer.

The utility model discloses a device capable of adjusting the thickness of a lamination film, which relates to the technical field of lamination machines, and comprises a base, the top of the base is fixedly connected with a conveyor, a first fixing frame and a second fixing frame, the inner top wall of the first fixing frame is connected with two sliding frames in a sliding manner, the interior of each sliding frame is rotatably connected with a lamination film roller, and the lamination film roller is fixedly connected with the conveyor. The inner top wall of the first fixing frame is fixedly connected with a liquid dropping pipe, the liquid dropping pipe is fixedly communicated with a liquid conveying pipe, the two film spraying rollers are installed below the liquid dropping pipe, the distance between the two sliding frames is adjusted through a first adjusting mechanism, and therefore the gap value between the two film spraying rollers is adjusted, the film spraying liquid dropping speed is controlled, and the film spraying speed is improved. The surface of a material is scraped through the scraping plate, and the distance between the scraping plate and the material is adjusted by controlling the sliding rod to slide on the second fixing frame, so that the thickness of a coating film on the surface of the material is adjusted.

The invention provides a spoke type cable truss structure with a cable and a membrane cooperatively stressed. The spoke type cable truss structure comprises an upper inner pressing ring beam, a lower inner pressing ring beam, an outer pressing ring structure, a cable and membrane unit and a plurality of cable truss units distributed in the annular direction. Wherein each cable membrane unit comprises a plurality of folding surface membranes, a plurality of membrane ridge cables and a plurality of membrane valley cables, the membrane ridge cables and the membrane valley cables are alternately distributed, every two adjacent membrane ridge cables and the membrane valley cable located between every two adjacent membrane ridge cables are distributed in a V shape and form a membrane covering framework, and the folding surface membranes are laid on the membrane covering framework to form a tension cable membrane structure; each cable truss unit comprises a radial cable, a connecting rod and a plurality of suspension cables, the two ends of each radial cable are connected with the outer pressing ring structure and the lower inner pressing ring beam, the two ends of each connecting rod are connected with the upper inner pressing ring beam and the lower inner pressing ring beam, a triangle is defined by the membrane valley cables, the connecting rods and the radial cables, and the two ends of each suspension cable are connected with the membrane ridge cables and the radial cables. According to the invention, not only can complex folding surface geometric modeling be accurately adapted and the aesthetic property of the building be improved, but also the stress distribution is optimized through the synergistic effect of the cable and the film.

This cell unit (2) comprises: a base material (10) that defines a first surface (13) and a second surface (14) that face each other back to back; a hole (15) that penetrates the base material (10) from the first surface (13) to the second surface (14); a film (21) that is disposed in the hole (15) and partitions the hole (15) into a first space (17) on the first surface (13) side and a second space (18) on the second surface (14) side; and an annular outer peripheral member (32) disposed around the outer peripheral surface (11a) of the base material (10).

The invention relates to the field of metal film filter elements, in particular to a multilayer structure for preparing an asymmetric metal film filter element and a method for preparing the asymmetric metal film filter element, the metal film filter element is provided with an asymmetric abrupt aperture structure, and no particle diffusion transition layer exists between a surface film layer and a macroporous substrate. The porous structure comprises a macroporous metal matrix, an organic hole blocking bonding layer bonded on the surface of the macroporous metal matrix, and a metal powder film layer bonded on the organic hole blocking bonding layer in a non-pressure manner. In the process of preparing the metal film filtering element from the multi-layer structure, the organic hole blocking bonding layer can prevent particles of the surface film layer from reversely permeating into pores of the macroporous matrix, so that the flux damage of the metal film filtering element is greatly reduced, and the permeation flux of a material can be effectively improved on the premise of ensuring the filtering efficiency of the metal film filtering element.

The application discloses a facade membrane pulling structure suitable for a V-shaped folded facade cable-stayed membrane system, which comprises a pulling plate assembly arranged at the end of the V-shaped folded facade membrane, the pulling plate assembly comprises a first pulling plate and two second pulling plates with adjustable lengths, the first ends of the two second pulling plates with adjustable lengths are connected with lower stable cables in the cable-stayed membrane system, the second ends of the two second pulling plates with adjustable lengths are respectively connected with two adjacent upper stable cables in the cable-stayed membrane system, and the two ends of the first pulling plate are respectively connected with the second ends of the two second pulling plates with adjustable lengths; a water baffle is horizontally connected between the two second pulling plates with adjustable lengths, and the area surrounded by the water baffle, the first pulling plate and the second pulling plates is provided with the facade membrane. The application aims at solving the problem that the traditional pulling structure cannot adapt to the changes of external environment.

A sensor is provided and includes a substrate, a patterned electrode, and a membrane material. The patterned electrode is deposited on the substrate and has a conductive surface. The membrane material is deposited on the conductive surface of the patterned electrode and not on the planar substrate. The membrane material forms a three-dimensional membrane layer that covers the conductive surface of the patterned electrode.

A method, system or computer program product of electronically displaying a multi-dimensional complex data visualization graphical user interface (GUI) on an electronic display coupled to a computer processor and memory storage device, including: receiving sensed received data relating to an indicator; storing the sensed received data in the memory storage device; receiving the indicator detail of the indicator related to the sensed received data; and displaying on the GUI an avatar within a two dimensional rendering of a three dimensional orb visualizer of the sensed received data graphically displayed as a surface membrane including a data deformation include an intrusion data deformation or an extrusion data deformation of the surface membrane, where an envelope volume is formed between an inner surface of the surface membrane and an outer surface of the avatar, where the envelope is indicative of an associated relationship between the sensed received data and the indicator detail.

The invention discloses injection-casting high-Zn magnesium alloy based on a two-stage corrosion-resistant barrier and a preparation method of the injection-casting high-Zn magnesium alloy, and belongs to the technical field of magnesium alloy materials and metallurgy. Aiming at the corrosion resistance bottleneck caused by looseness of a surface film of the high-Zn system injection casting magnesium alloy and strong cathode activity of a second phase of a grain boundary, a new two-stage corrosion resistance barrier design thought is provided, and through main and micro element optimization design, injection casting forming process optimization and cooperative regulation and control of a precise heat treatment system, the high-Zn system injection casting magnesium alloy is obtained. And a two-stage corrosion-resistant barrier with a compact surface passivation layer and a fine net-shaped weak cathode phase is constructed. After the magnesium alloy prepared through the method is soaked in a 3.5 wt% NaCl solution for 7 days, the weight loss corrosion rate is smaller than or equal to 0.70 mm / year, the hydrogen evolution rate is smaller than or equal to 0.40 mL / cm / day, the corrosion resistance is remarkably superior to that of an existing commercial high-Zn magnesium alloy, and the magnesium alloy is suitable for the fields, with requirements for corrosion resistance and light weight, such as 3C, unmanned aerial vehicles, robots and automobiles.

To provide a filtration device and a filtration method that can easily retain cells captured on a filter.SOLUTION: A filtration device 1 for filtering a liquid containing cells, includes: a filter 10 having a first main surface 10a, a second main surface 10b opposite to the first main surface 10a, a membrane portion 11 having a filter base portion 13 defining a plurality of through-holes 12 extending from the first main surface 10a to the second main surface 10b, and a plurality of protrusions 14 provided on at least the filter base portion 13 on the first main surface 10a; a holder 20 for holding the filter 10; and a heating portion 30 for heating the filter 10. The first main surface 10a is located upstream of the second main surface 10b. The plurality of protrusions 14 expand when the filter 10 is heated by the heating portion 30.SELECTED DRAWING: Figure 1

This invention relates to a cleaning solution and cleaning method for removing the SiO2 film layer on the surface of silicon carbide. The cleaning solution comprises the following components by volume: 15-20% HF, 5-10% HNO3, 8-12% NH4F, 0.01-0.05% nonionic surfactant, and the remainder is ultrapure water. The mass concentration of HF is 49%, the mass concentration of HNO3 is 68%, and the mass concentration of NH4F is 30%. The cleaning method includes the following steps: (1) pre-cleaning the silicon carbide with ultrapure water; (2) performing main cleaning on the pre-cleaned silicon carbide using the above cleaning solution; (3) placing the main-cleaned silicon carbide into a 15-20% NH4OH / H2O2 mixed solution for neutralization and cleaning, then cleaning with an ultrapure water solution containing disodium ethylenediaminetetraacetate, and finally cleaning with a four-stage countercurrent ultrapure water rinsing system; (4) performing post-treatment cleaning in ultrapure water with an ozone content of 4-6 ppb, then rinsing with ultrapure water, and finally drying with isopropanol vapor. This method ensures that the silicon carbide surface is free of residue, has low particulate contamination, and is of high purity after cleaning, meeting the stringent requirements of semiconductor etching processes for the cleanliness and integrity of the material surface.

The invention discloses a quantitative glue filling, coating, rolling and slicking process for a silk-screen printing surface. The process comprises the following steps: coating transparent glue on a light-transmitting area on the surface of a diaphragm; the coated transparent glue is stricken flat on the surface of the diaphragm, and the surface roughness Ra of the diaphragm is smaller than or equal to 1.0 mu m; solidifying the flow of the transparent glue; and forming the treated membrane on the surface of the product at high pressure. According to the invention, appearance defects and internal air wrapping caused by unevenness of a coating surface are made up, and the condition of poor appearance caused by bulging of the surface of a product after high-temperature bubble expansion is avoided.

The utility model discloses a kind of surface membrane-coating equipment of square bottom valve mouth bag processing, it includes: device ontology, the top of the device ontology Both sides are fixedly connected with support rod, the top end of the support rod is fixedly connected with top plate, left The top of the top plate is fixedly installed with servo motor, the output of the servo motor is fixedly connected with screw rod by coupling, the outer wall of the support rod and screw rod is movably connected with lifting block, the inside of two The lifting block is fixedly connected with water delivery pipeline, the top of the water delivery pipeline is provided with feed interface, the bottom of the water delivery pipeline is provided with spray head, the rotation of screw rod can be driven by servo motor, in turn Lifting block can be driven to lift, so the height of water delivery pipeline and spray head can be adjusted according to different base material, improve the membrane-coating effect of different base material square bottom valve mouth bag.

The invention relates to a process for producing a substrate comprising an aperture, which process comprises providing a substrate which comprises a solid-state membrane and a chemical surface modification on a first surface of the solid-state membrane; and forming an aperture through the chemical surface modification and the solid-state membrane. The invention also relates to a substrate comprising a chemical surface membrane and an aperture, a sensor comprising such a substrate and an apparatus comprising such a substrate.

The invention relates to the technical field of Mini LED packaging, in particular to a method for improving Mini LED display ink color consistency, which comprises the following steps: providing a PCB (Printed Circuit Board) on which lamp surface and drive welding is completed, and arranging a solder resist ink layer and an LED chip on the PCB; comprising the following steps that S1, the surface of a solder resist ink layer is covered with a layer of black ink color forming epoxy glue to be cured; s2, the surface of the LED chip is filled with transparent epoxy glue to be cured; and S3, the surface films of the black ink color forming epoxy glue and the transparent epoxy glue are pressed with matt black glue films, and module packaging is completed after curing. According to the invention, a layer of black ink color forming epoxy glue is covered on the solder resist ink layer of the PCB, and the black ink color forming epoxy glue completely covers the solder resist ink layer of the PCB, so that the surfaces of the same batch or different PCBs present a uniform black ink color optical effect, the blackening effect and color consistency of the surfaces of the PCBs are improved, and the ink color background and the ink color consistency required by the MiniLED module are provided.

A cell unit (2) comprises: a base material (10) that defines a first surface (11) and a second surface (12) facing each other; a hole (13) that penetrates from the first surface (11) to the second surface (12); a film (21) that is disposed in the hole (13) and partitions the hole (13) into a first space (15) on the first surface (11) side and a second space (16) on the second surface (12) side; a first flow path (40) that is formed on the base material (10) and serves for introducing a first fluid into the first space (15); a second flow path (42) that is formed on the base material (10) and serves for taking out a second fluid from the second space (16); a first gasket (50) disposed on the first surface (11) and surrounding the first space (15) and the first flow path (40); and a second gasket (51) disposed on the first surface (11) and surrounding the second flow path (42) on the outside of the first gasket (50).

This invention discloses a silicon-carbon composite material based on a three-dimensional network carbon-silicon structure, its preparation method, and its application. The silicon-carbon composite material consists of a three-dimensional network structure composed of nano-silicon and carbon, and a carbon coating layer disposed on the outside of the three-dimensional network structure. The three-dimensional network structure uses a carbon structure as a skeleton, and the nano-silicon is uniformly embedded on the carbon skeleton. In the preparation process, the nano-silicon and a high-volatile organic carbon source are first mixed evenly and then subjected to isostatic pressing treatment. After crushing, it is sintered once, and then sintered again with a carbon coating agent. The silicon-carbon composite material based on the three-dimensional network carbon-silicon structure can be obtained. This invention overcomes the technical problems of large volume change of silicon-based anode materials, particle pulverization of silicon materials, and repeated growth of surface SEI film. The preparation process is simple, the equipment is mature, and it is suitable for large-scale production.

The invention discloses a membrane type fuel gas surface membrane blanking system. The system comprises a membrane winding roller; the drawing mechanism is wound with the film tape unwound from the film winding roller; the feeding mechanism is arranged at the tail end of the traction mechanism, and the film belt enters the feeding mechanism after being dragged by the traction mechanism; and the cutting mechanism is arranged on the feeding mechanism and is used for cutting the film belt on the feeding mechanism. According to the device, the conditions that waves are caused by uneven stress when the film belt is unwound and the stress is too concentrated when the film belt is drawn at a cutting station can be effectively reduced; in the feeding and cutting process, the film belt is kept tensioned to be flat, the cutting quality is guaranteed, meanwhile, due to high-precision positioning feeding, the cut film can be directly used without subsequent shaping treatment, the fine trimming and shaping treatment process is reduced, the cost is reduced, and meanwhile the production efficiency is improved; and a film belt with an interlayer can be powerfully and thoroughly cut, so that the frequency of maintenance is reduced.

The utility model provides a detection device and a production line of a curved-surface thin film assembly, the detection device comprises a detection molded surface used for detecting the curved-surface thin film assembly, the detection molded surface has the following working modes: a working mode I, when the detection molded surface can be attached to the curved-surface thin film assembly, the curved-surface thin film assembly is qualified; in the second working mode, when the detection molded surface cannot be attached to the curved-surface thin film assembly, the curved-surface thin film assembly is unqualified. The detection device provided by the utility model is provided with the detection molded surface for detecting the curved-surface thin film assembly, the curved-surface thin film assembly is placed on the detection molded surface, and if the curved-surface thin film assembly and the detection molded surface are attached, the curved-surface thin film assembly is judged to be qualified; and if the two are not attached, determining that the curved-surface thin film assembly is unqualified. Therefore, through the detection device provided by the utility model, the detection efficiency of the curved-surface thin film assembly can be greatly improved, the production input cost of detection equipment is reduced, and the detection device has better practicability.

The application relates to a high-air-permeability PTFE porous membrane and a preparation process thereof. The porous membrane comprises a membrane body, the membrane body comprises a first outer surface and a second outer surface, the cross section of the membrane body comprises long-strip-shaped main fibers and block-shaped main nodes, and the two ends of the main fibers are connected to the main nodes or adjacent main fibers; the thickness of the membrane body is 3-40 mu m; the main fibers comprise support fibers with a diameter not less than 0.6 mu m, the number proportion of the support fibers is 10-60%, and long-and-narrow strip-shaped holes are formed between adjacent main fibers; and the air permeability of the porous membrane is not less than 3*10 4 ml / min / cm 2 @7kPa. The long-and-narrow strip-shaped hole structure is introduced to ensure that the PTFE porous membrane has high air permeability; and the membrane thickness and the support fibers are controlled to ensure that the hole structure of the PTFE porous membrane has high mechanical strength. The application further discloses a preparation process of the aforementioned porous membrane.

A method, system or computer program product of electronically displaying a multidimensional complex data visualization graphical user interface (GUI) on an electronic display coupled to a computer processor and memory storage device, including: receiving sensed received data relating to an indicator; storing the sensed received data in the memory storage device; receiving the indicator detail of the indicator related to the sensed received data; and displaying on the GUI an avatar within a two dimensional rendering of a three dimensional orb visualizer of the sensed received data graphically displayed as a surface membrane including a data deformation include an intrusion data deformation or an extrusion data deformation of the surface membrane, where an envelope volume is formed between an inner surface of the surface membrane and an outer surface of the avatar, where the envelope is indicative of an associated relationship between the sensed received data and the indicator detail.

The invention discloses a PVD plated part reworking method and a PVD plated part reworking product, the PVD plated part reworking method comprises the steps that a metal part is provided, the metal part comprises a metal base material, an anodic oxide film layer and a PVD film layer, the surface of the metal base material is provided with a corrosion area, the anodic oxide film layer covers the surface of the metal base material comprising the corrosion area, and the PVD film layer covers the surface of the metal base material comprising the corrosion area; the PVD film layer covers the surface, deviating from the metal base material, of the anodic oxidation film layer; the metal part is immersed in a first reagent for deplating so as to remove the PVD film layer, and the first reagent comprises potassium dichromate; the metal piece is immersed in a second reagent for anode stripping, so that an anode oxide film layer is removed, and a corrosion area of the metal base material is stripped, and the second reagent comprises potassium hydroxide; the metal piece is immersed in a third reagent to be subjected to corrosion removal, so that the corrosion area of the metal base material is further removed; and the metal piece is coated, so that a new PVD film layer is formed on the surface of the metal base material. According to the method, the metal piece with the corrosion marks can be reused, and the production cost is effectively reduced.

This invention relates to the field of nuclear fuel element manufacturing, and more particularly to a method and apparatus for defilming and cleaning hexagonal nuclear fuel assemblies for pressurized water reactors. The method involves: defilming the hexagonal nuclear fuel assembly in deionized water, followed by cleaning and rinsing in deionized water; and finally, rinsing and drying the fuel assembly. The apparatus includes: deionized water pipes connected to the tops of a defilming tank, a cleaning tank, and a rinsing tank; spray devices installed on the side walls of the defilming tank, cleaning tank, and rinsing tank; and a control cabinet controlling the injection volume of deionized water, drying temperature, drying time, spraying time, and airflow. This invention effectively removes zirconium shavings and surface films from the nuclear fuel assembly, and is safe and environmentally friendly.

The invention discloses a preparation method of polyvinyl chloride with high porosity and low surface membrane coverage rate, belongs to the technical field of polyvinyl chloride production, and aims to solve the problem that the polyvinyl chloride with high porosity and low surface membrane coverage rate cannot be simply and reliably prepared at low cost in the prior art. The method comprises the following steps: burdening, adding the functional additive D in batches and participating in polymerization, terminating the reaction, and collecting a finished product. Forming of polyvinyl chloride resin particles is guaranteed through first-stage polymerization, and meanwhile high porosity and loose structure in the resin particles are guaranteed by adding the functional additive C in the stage. And in the second-stage polymerization time, the content of the dispersing agent in the water phase is effectively reduced by adding the functional auxiliary agent D while the vinyl chloride is continuously polymerized, and the coverage rate of the surface membrane of the resin is reduced. And the internal loose structure of the resin particles is continuously optimized while the binding force of the surface membrane is reduced. The polyvinyl chloride resin produced by the method has good plasticizer absorptivity and high apparent density, and is beneficial to processing.

The invention discloses a rosmarinic acid composite coating, a preparation method of the rosmarinic acid composite coating and application of the rosmarinic acid composite coating in preservation of picked blueberry fruits, and belongs to the technical field of preservation of agricultural products. The coating has a nanometer core-microcapsule / gel-surface layer film three-stage structure, the nanometer core is loaded with rosmarinic acid, the microcapsule / gel is used as a secondary slow-release unit, and the surface layer film is a continuous phase containing a polysaccharide-polyphenol-metal composite cross-linked network. The preparation method comprises the following steps: preparing the nano core, constructing the micro-capsule / gel, preparing and coating the composite coating liquid and the like. The coating disclosed by the invention can realize multi-time-history programmed release of rosmarinic acid and intelligently respond to multiple stimulations such as pH, metal ions and enzymes in a fruit rot microenvironment, so that long-acting and accurate preservation is realized. The coating can significantly reduce the mildew rate and weight loss rate of the blueberries during storage and maintain the hardness, color and nutritional ingredients, and the preparation process is controllable and is beneficial to industrial production.

A sub-surface membrane deposition device including a movable frame, at least one chisel attached to the frame, hydraulics to raise and lower the at least one chisel from the frame, and a membrane deployable to a sub-surface level by the at least one chisel as the movable frame is moved. Also provided is a method of deposing a membrane to a sub-surface level that includes providing a movable frame, at least one chisel attached to the frame, hydraulics to raise and lower the at least one chisel from the frame, and a membrane. The method including lowering the at least one chisel with the hydraulics to the sub-surface level, moving the frame and at least one chisel forward, and deploying the membrane to the sub-surface level with the at least one chisel.

The utility model relates to the field of electric connecting pieces, and discloses an aluminum row connecting piece for a battery, which comprises a 6101 aluminum alloy substrate used as a conductor for bearing current; the outer surface of the 6101 aluminum alloy substrate is coated with the film-state insulating layer, and the film-state insulating layer is a polyimide insulating film formed by high-temperature curing after being coated with a polyimide solution; and the electroplated layers are plated on the surfaces of the two ends of the 6101 aluminum alloy substrate. According to the utility model, the effects of greatly reducing cost and weight are realized, and electroplating is carried out on the 6101 aluminum alloy substrate, so that the anti-oxidation effect is better, the thickness of the insulating layer is thinner, the problem that the connecting piece for the battery is easily oxidized in an aerobic environment is effectively solved, and the problems that the resistance of aluminum is increased compared with that of copper, and the service life of the connecting piece is prolonged are solved. The invention aims to solve the problems that a larger cross section needs to be increased to meet the design over-current requirement and the internal space of a battery needs to be thinner for the thickness of an insulating layer of an aluminum conducting bar to meet the space requirement, and the 6101 aluminum alloy substrate coated with a polyimide insulating film has a better anti-oxidation effect.