17 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 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.

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.

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 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.