107 results about "Metal grid" patented technology

The invention discloses a plasma electrospray fusion ionization source and mass spectrum combined system and a detection method. The plasma electrospray fusion ionization source and mass spectrum combined system comprises a coaxially nested electrospray needle, a sample injector, an ultrahigh voltage generator, a grounded metal grid mesh, a mass spectrometer and a detector thereof. A grounded metal grid is installed between a spray needle and a mass spectrum inlet, voltage is applied to the spray needle, carrier gas is excited to generate plasmas, the macroscopic plasmas at the front end of the spray needle are fused with electrospray, and the plasmas and micro-droplets at the tip of the spray needle are fused. According to the unique ionization source constructed by the plasma-micro-droplet fusion system, on one hand, the ionization efficiency is improved, mass spectrum signals are enhanced, the application range of analytes is widened, excellent sensitivity to high-polarity compounds is kept, and effective ionization and detection of low-polarity compounds are achieved; on the other hand, higher energy and active species are provided for the micro-droplet reaction, the energy barrier required by traditional synthesis is broken, and efficient spontaneous product generation of the micro-droplet chemical reaction is achieved.

This invention belongs to the field of solar cell technology and relates to a method for producing a tunneling oxide passivated contact solar cell. This invention improves light absorption efficiency and ensures smooth current flow by sequentially texturing, P-type diffusion, and etching a silicon wafer. An aluminum oxide passivation layer is deposited on the front side of the etched silicon wafer. A silicon oxide film is prepared on the front aluminum oxide passivation layer and the back side of the silicon wafer, and a doped amorphous silicon film is deposited on the silicon oxide film. The amorphous silicon film deposited on the silicon wafer is annealed to crystallize it, forming a polycrystalline silicon structure. A silicon nitride film is deposited on the back amorphous silicon layer as an antireflection layer and protective layer, which reduces light reflection on the cell surface and improves light absorption efficiency. Metal grid lines are printed on the front and back sides of the silicon wafer, and the silicon wafer with the printed metal grid lines is placed in a high-temperature furnace for sintering to obtain a tunneling oxide passivated contact solar cell.

This invention discloses a high-performance, safe solid-state battery based on a three-dimensional metal mesh framework and a negative electrode coupler, belonging to the field of solid-state battery technology. The invention employs a three-dimensional metal mesh conductive framework with a thin insulating ion-conducting interface coated on its surface. A four-layer integrated negative electrode coupler is disposed on the negative electrode side, consisting of a metal current collector layer, a negative electrode active layer, a critical thin film layer, and an electrolyte connection layer, from the inside out. The three-dimensional framework and the current collector layer constitute an integrated large current collector system, achieving spatial decoupling of electron and ion pathways. The three-dimensional metal framework possesses an ultra-large specific surface area, which, combined with the ultra-thin interface layer, forms a short ion transport path, achieving high ion conductivity, low interface impedance, and forming a complete logical closed loop with high energy density. The critical thin film layer uses a formulation below the percolation threshold to achieve ion conduction and electron blocking, suppressing lithium dendrites and internal short circuits. The positive electrode uses a high-nickel ternary material and can be modified with graphene and carbon nanotubes. This invention exhibits outstanding safety performance, strong process robustness, and suitability for mass production, and can be widely used in automotive, energy storage, and special power supplies.

The utility model aims at solving the problem of low filtering efficiency caused by the low melting point of asphalt blocking the filter screen, provides a device for filtering ring asphalt, belongs to the technical field of filter device. The device for filtering ring asphalt comprises: a metal filter container, a metal grid support plate and a metal filter screen. The bottom of the metal filter container is provided with a drain; the metal grid support plate is clamped and fixed in the metal filter container; the metal filter screen is laid on the upper surface of the metal grid support plate; wherein, the metal grid support plate provides cold energy to the metal filter screen in contact with it during use. In the utility model, the metal grid support plate provides cold energy to the metal filter screen in contact with it, especially when the wastewater temperature is relatively high or the use environment temperature is relatively high, a local low-temperature cold environment is formed, so that the deposited asphalt particles can maintain the particle form, the softening phenomenon of asphalt is delayed, and the use efficiency of the metal filter screen is ensured.

This utility model discloses a lightweight coated grille, relating to the field of automotive grille technology. It includes a metal mesh substrate, with a composite coating applied to the outer side of the metal mesh substrate. The composite coating is sequentially configured as a primer layer, a core layer, a transition layer, and a top layer. The primer layer comprises a conversion layer and a protective layer, with the inner side of the conversion layer and the outer side of the protective layer contacting the outer side of the metal mesh substrate and the inner side of the core layer, respectively. The conversion layer is a nano-zirconium-based conversion agent coating, the protective layer is a graphene-containing epoxy zinc-rich primer coating, and the core layer is a hollow ceramic microparticle-modified polyurethane coating. The outer side of the core layer contacts the inner side of the transition layer, and the outer side of the transition layer contacts the inner side of the top layer. This lightweight coated grille, based on an aluminum / magnesium alloy substrate and a multi-layer synergistic coating design, achieves comprehensive performance improvements in long-term corrosion resistance, environmental tolerance, thermal and acoustic management, and surface self-maintenance while maintaining extreme lightweight properties.

A preparation method of a heterojunction solar cell and the heterojunction solar cell, comprising: cleaning a cell piece, opening a sink on the upper and lower surfaces of the cleaned cell piece, printing a metal grid on the upper and lower surfaces of the cell piece after the sink is opened, and performing solidification after printing, filling insulating glue in the sink, and then connecting a solder strip on the insulating glue and the metal grid on the upper or lower surface, and the solder strips of adjacent two cell pieces are connected to form the heterojunction solar cell. The L-shaped solder strip is adopted, and the design makes the connection of the solder strips of adjacent cell pieces more close and flat, avoids the abrupt feeling caused by the bending of the solder strip in the traditional method, and improves the overall appearance of the cell assembly. The design of the L-shaped solder strip makes the solder strip better disperse the stress when the solder strip is stressed, and reduces the occurrence of deformation. At the same time, the slope design of the solder strip makes the connection between the adjacent cell pieces more stable, and reduces the risk of solder strip fracture.

This invention relates to the technical field of electronic device manufacturing, specifically to an electronic skin with a blackened metal mesh conductor and its preparation method. The electronic skin, from the substrate side to the outer side, comprises: a flexible adhesion layer, a flexible base layer, a metal mesh conductive layer, a blackened functional layer, a flexible buffer layer, a corrosion-resistant encapsulation layer, and a hydrophobic and wear-resistant surface layer. The electronic skin of this invention, through a seven-layer gradient composite structure design, achieves synergistic cooperation among the functions of each layer, significantly improving overall flexibility and structural stability, with no interlayer peeling or cracking during deformation. The design of the blackened functional layer retains the high conductivity of the metal mesh conductive layer while achieving low reflectivity and anti-light interference effects, adapting to the application requirements of multiple optical scenarios, and simultaneously improving the oxidation resistance of the metal mesh. Each functional layer has a clear division of labor and is closely integrated, making the overall device suitable for large-scale fabrication and possessing good practical application value.

Gas sensors are provided. A device for analyzing a gas released from skin includes an enclosure for collecting a gas released from skin, the enclosure having an inlet through which a carrier gas flows and an outlet through which the carrier gas and the gas released from the skin flow into a vertical gas sensor, wherein the vertical gas sensor includes a substrate, a collector layer, an emitter layer positively biased with respect to the collector, a metal grid including a metal layer having openings, the metal grid being located between the collector and the emitter but not in direct contact with the collector and the emitter, and an organic semiconductor (OSC) layer located between the collector and the emitter.

This utility model provides a corrosion-resistant electromagnetic shielding heat dissipation circuit board, including a circuit board body, side plate structures, a top frame, an anti-corrosion film, and a shielding plate structure. Each side plate has a serpentine heat dissipation channel inside. The shielding plate structure comprises a metal mesh shielding layer and a phase change thermally conductive layer. The phase change thermally conductive layer is positioned towards the side of the circuit board body and has an embedded array of hexagonally densely arranged silicon carbide micropillars. The metal mesh shielding layer includes an upper copper mesh layer and a lower copper mesh layer, with the copper meshes of the upper and lower layers forming an orthogonal relationship. The top frame includes a hollow frame, a coarse filter layer, and a fine filter layer. The coarse filter layer covers the upper surface of the hollow frame, the fine filter layer covers the lower surface of the hollow frame, and the anti-corrosion film covers the upper surface of the coarse filter layer. It has excellent corrosion resistance, electromagnetic shielding, and heat dissipation functions.

This invention discloses a method for preparing photovoltaic cell metal grid lines based on fused deposition modeling (FDM) technology, comprising the following steps: S1 Metal slurry preparation: The slurry includes a conductive metal phase and a completely volatile organic carrier; S2 Grid line pattern forming and organic carrier removal: The metal slurry is screen-printed onto the surface of the photovoltaic cell passivation layer to form a preset grid line pattern, followed by low-temperature heat treatment under an inert atmosphere to volatilize and remove the organic carrier; S3 Metal grid line densification treatment: The grid lines are heated and melted, leveled and densified, and controlled solidified using conventional controlled atmosphere thermal melting or high-energy light pulse rapid melting processes to form dense metal grid lines. This invention provides a method for preparing photovoltaic cell metal grid lines based on FDM technology, improving the quality of grid line forming.

This invention provides a metal mesh touchscreen and its fabrication process. The process includes aging an ITO film on a flexible transparent substrate; setting an upper electrode and a lower electrode on the upper and lower surfaces of the ITO film, respectively; depositing a metal thin film on the surface of the flexible transparent substrate and patterning the metal conductive layer; embedding the metal mesh conductive layer into the upper surface of the flexible transparent substrate, making the metal mesh conductive layer flush with the upper surface of the flexible substrate; sequentially depositing an insulating layer and a protective layer on the metal mesh conductive layer; and printing silver wiring on the semi-finished metal mesh touchscreen. This invention improves the oxidation resistance of the copper mesh through the protective layer; and effectively suppresses electrostatic discharge by using printed silver wiring and high-current detection, thereby significantly improving product yield and reliability.

The application discloses a kind of based on double-ridge substrate integrated waveguide and microstrip monopole antenna feed structure multiplexing co-boresight antenna, including double-ridge substrate integrated waveguide, surface plasmon polariton structure, Vivaldi radiator, metal grid array and integrated coaxial feed port, antenna uses multilayer stacking structure, surface plasmon polariton structure works as monopole in microwave frequency band, and high frequency and metal grid array jointly constitute metasurface lens;Vivaldi radiator is fed by double-ridge substrate integrated waveguide, for high-frequency end emission radiation;Two frequency bands are excited in orthogonal mode by integrated coaxial port and waveguide port respectively.The application is suitable for 5G / 6G base station, satellite communication and the like system, and has the characteristics of wide bandwidth, high isolation and structure multiplexing under compact profile.

A touch structure, a touch display panel, and a display device are disclosed. The touch structure includes a substrate and a first metal mesh electrode layer, an insulating layer, and a second metal mesh electrode layer disposed on the substrate. The first metal mesh electrode layer includes a plurality of first metal meshes formed by a plurality of first metal lines, and the second metal mesh electrode layer includes a plurality of second metal meshes formed by a plurality of second metal lines. First portions of the plurality of first metal lines and second portions of the plurality of second metal lines each have the same line extension direction and overlap each other in a direction perpendicular to the surface of the substrate. The insulating layer has an edge slope portion covering the second portions of the plurality of second metal lines in a direction perpendicular to the line extension direction. This edge slope portion forms a step relative to the surface of the substrate, and the first portions of the plurality of first metal lines and the edge slope portion at least partially do not overlap. This improves the reliability of the touch structure.

The application discloses an LCD display module and belongs to the technical field of liquid crystal display, and the technical solution points comprise the following from top to bottom: an upper polarizer, a CF substrate, a TFT substrate, a lower polarizer and a BLU; a metal mesh shielding layer is arranged on the outer side of the TAC protective layer of the lower polarizer; the metal mesh shielding layer comprises any one of a nano-silver mesh, a copper mesh or a low-resistance transparent metal mesh; the inner line width of the metal mesh shielding layer is less than 3 micrometers; and the metal mesh shielding layer is provided with a grounding structure. The application has the effects of process simplification, low cost, excellent shielding effect and easy mass production.

A display device according to an embodiment of the present specification includes a substrate including a display area and a bending area, a connection line passing through the bending area of the substrate, a planarization layer covering the connection line in the bending area, a stress relief layer disposed on the planarization layer in the bending area, and a metal mesh pattern disposed on the connection line in the bending area, wherein a recess is disposed in an upper surface of the stress relief layer, and the metal mesh pattern is disposed to correspond to the recess.

This invention provides a back-contact solar cell and a photovoltaic module to solve the problem that the process of printing a metal grid onto a cell and then sending it to a module is prone to damaging the film layer on the front side of the cell. [Solution] The back-contact solar cell and photovoltaic module comprises a silicon substrate, a first passivation layer, a protective layer, a first electrode, and a second electrode. The silicon substrate has opposing first and second surfaces, and the second surface of the silicon substrate has spaced-apart P-type conductive regions and N-type conductive regions. The first passivation layer is provided on the first surface of the silicon substrate, and the protective layer is positioned on the side of the first passivation layer away from the silicon substrate. The first electrode is electrically connected to the P-type conductive region, and the second electrode is electrically connected to the N-type conductive region. The protective layer prevents contact between other objects and the surface of the first passivation layer.

Differential driving and / or sensing can reduce noise in a touch screen. In some examples, the touch screen can include column and row electrodes routed vertically in the active area. In some examples, the touch electrodes and / or routing traces can be implemented using metal mesh in first and second metal layers. To improve optical performance, overlapping portions of metal mesh can be designed to provide an appearance of uniform width / area. In some examples, a dielectric layer can have an increased thickness and / or a reduced dielectric constant, and / or metal mesh in the first metal layer can be flooded with a transparent conductive material. In some examples, routing traces can be disposed beneath touch electrodes and / or metal mesh for touch electrodes can be flooded with a transparent conductive material without flooding metal mesh for routing traces. In some examples, touch electrodes can be interleaved within a touch node to improve differential cancelation.

The application relates to a ceramic wave-absorbing metamaterial and a preparation method thereof, which comprises at least three layers of ceramic base loss unit layers, ceramic base impedance regulation unit layers and metal mesh layers which are alternately stacked; the ceramic base loss unit layer comprises a ceramic matrix A and wave-absorbing agent A dispersed in the ceramic matrix A, wherein the wave-absorbing agent A is composed of a composite powder of nano silicon carbide with a particle size of 50-200 nm and a nickel-zinc ferrite ceramic powder; the ceramic base impedance regulation unit layer comprises a ceramic matrix B and wave-absorbing agent B dispersed in the ceramic matrix B, wherein the wave-absorbing agent B is composed of a composite powder of barium titanate with a particle size of 100-500 nm and tin oxide. The ceramic wave-absorbing metamaterial has a reflection loss of less than or equal to -10 dB in a 1-8 GHz frequency band, and a reflection loss of less than or equal to -25 dB in an 8-18 GHz frequency band.

The application relates to the technical field of energy power generation, and discloses a light rain synergic generator and method based on solar cell panel electrode multiplexing, which comprises a solar cell panel, a friction dielectric layer, a subsurface electrode C, an adjustable inclination angle and height assembly; the internal metal grid line and the conductive network of the solar cell panel simultaneously serve as a power generation electrode of the solar cell panel and an induced bottom electrode of the friction nanogenerator, electrode multiplexing is realized, and the induced charge can be guided out through the original photovoltaic output loop without an additional transparent conductive layer, relying on the alternating current short circuit (capacitive coupling) characteristics of the internal PN junction under the transient triboelectric pulse. The application completely saves a large-area transparent conductive electrode (ITO, etc.), only needs a layer of cheap FEP film and a small amount of copper foil, is easy to be large-scale transformed, almost does not affect the photovoltaic performance of the solar panel, and under the premise of not damaging the packaging of the solar panel, the generated short circuit current can reach 6 mu A, which is much higher than that of a traditional similar device.

A forming method of a photoelectric sensor, the forming method comprising: providing a pixel substrate, including opposite first and second surfaces, the pixel substrate including a light-sensitive region and a lead region, the light-sensitive region including a plurality of pixel unit regions, at least one of which is used as a preset pixel unit region, the second surface being formed with an interconnection layer, and isolation grooves being formed between the pixel unit regions; forming an insulating layer on the first surface outside the isolation grooves, the insulating layer being formed with a first opening communicating with the isolation grooves and a ground trench in the preset pixel unit region and exposing the pixel substrate; forming an isolation structure in the isolation grooves and the first opening, the isolation structure including a conductive layer, and forming a ground line in the ground trench and in contact with the pixel substrate of the preset pixel unit region; and forming a metal mesh on the isolation structure and in contact with the conductive layer and the ground line. The embodiments of the present application are beneficial to simplify the process flow and reduce the number of masks.

This utility model discloses a large-span terminal building metal grid roof with an adjustable steel frame assembly, including a support frame. The support frame is connected to a processing component, which includes: an array of guide rods, fixedly connected within the support frame for adjusting end guidance; and several receiving components installed on the guide rods for receiving the steel frame ends. Each receiving component includes a receiving frame slidably connected to the array of guide rods. This utility model relates to the technical field of metal grid roofing. This large-span terminal building metal grid roof with an adjustable steel frame assembly allows the support frame and guide rods to support several receiving components. The receiving frames, vernier calipers, second bolt and nut assembly, and scale plate work together to facilitate precise fixing of the receiving components to the appropriate position on the support frame, reducing installation errors caused by difficulty in determining the installation position of the steel frame end. The connecting strip engages with the receiving frame and is fixed to the receiving frame by the first bolt and nut assembly.

This invention relates to the field of automobile manufacturing, specifically to a transparent heating film, its preparation method, and its application. The transparent heating film comprises a substrate, a metal mesh layer, a conductive material layer, and an encapsulation layer stacked sequentially. The metal mesh layer includes an insulating material matrix with a groove structure. The groove structure is sequentially filled with a conductive seed layer, a copper layer, a copper oxide layer, and a silane passivation layer. The groove structure includes interconnected random grid-like grooves and electrode grooves. The transparent heating film combines high light transmittance with low haze, is free of moiré patterns, provides good visual safety, and enables rapid and uniform heating under low voltage. The black copper oxide layer eliminates reflection, the silane passivation layer enhances interlayer bonding, and the inorganic encapsulation layer effectively prevents oxidation, resulting in high long-term product reliability.

The application provides a micro-LED display screen and a manufacturing method thereof. The micro-LED display screen comprises, from bottom to top, a circuit substrate and a transparent conductive layer, a plurality of RGB three-color chips are arranged between the circuit substrate and the transparent conductive layer, the light-emitting surface of the RGB three-color chip is arranged close to the transparent conductive layer, one side of each RGB three-color chip close to the circuit substrate is provided with a first electrode, one side of each RGB three-color chip close to the transparent conductive layer is provided with a second electrode, the first electrode of each RGB three-color chip is fixedly connected to the circuit substrate through a bonding pad, the second electrode of each RGB three-color chip is connected to the transparent conductive layer, and the micro-LED display screen is further provided with a metal mesh layer, wherein the metal mesh layer is connected to the transparent conductive layer. The application reduces a large number of bonding pads of a conventional substrate, and uses the transparent conductive layer and the metal mesh layer to connect all chip cathodes (anodes) in parallel and lead out from the side, thereby reducing the shielding of light emission of the chips.

The application provides an electric heating glass micro-nano additive-subtractive composite manufacturing method, which comprises the following steps: pretreating the surface of a glass substrate, depositing a copper film on the pretreated glass substrate to prepare a copper-clad glass substrate; printing a designed electrode pattern on the copper-clad glass substrate by taking photoresist as a mask pattern forming material; performing solidification treatment after printing; etching the copper film by taking the solidified photoresist pattern as a mask to obtain a designed mask electrode pattern; removing the photoresist, cleaning and drying the copper-clad glass substrate; taking the etched copper conductive pattern as a seed layer to plate a metal layer on the seed layer; performing post-treatment on the formed transparent electric heating glass after plating the metal layer; and coating a protective layer on the surface of the post-treated transparent electric heating glass. The application can realize low-cost, high-efficiency and batch manufacturing of large-size and high-performance metal mesh transparent electric heating glass.

The disclosure provides a heterojunction solar cell, and belongs to the technical field of solar cells. The heterojunction solar cell comprises an n-type monocrystalline silicon substrate, a first intrinsic amorphous silicon layer, a p-type amorphous silicon layer, a first transparent conductive oxide layer and a first electrode which are sequentially arranged on the upper surface of the n-type monocrystalline silicon substrate, and a second intrinsic amorphous silicon layer, an n-type amorphous silicon layer, a second transparent conductive oxide layer and a second electrode which are sequentially arranged on the lower surface of the n-type monocrystalline silicon substrate; wherein the first transparent conductive oxide layer comprises a first TCO thin film, a metal grid line and a second TCO thin film; and the second transparent conductive oxide layer comprises a first TCO thin film and a second TCO thin film. By adopting transparent conductive oxide layers with different structures, different requirements of the grid line area and the non-grid line area can be met, the performance of the solar cell is better matched, the carrier concentration and the conductivity are effectively improved, and meanwhile, the high transmittance is maintained.

This utility model relates to the field of clean energy heating anti-clogging technology, specifically an anti-clogging structure for sewage collection tanks. The utility model uses a threaded rod to push the clamping plate towards the center, fixing the plate from both sides of the water inlet. Gas is then injected into the inner cavity of the inflatable airbag through the airtight core and conduit, causing the airbag to expand and fill the gap at the water inlet, resulting in better fixation. The combination of multiple layers of filter mesh effectively intercepts impurities of different sizes, reducing the possibility of clogging. Support feet are provided on the outer wall of the mounting bracket, allowing for better fixation to the outer wall of the water inlet, improving the device's support. The filter mesh is made of corrosion-resistant, high-strength metal mesh to ensure durability in sewage environments. The filter device is designed as a detachable structure for easy regular cleaning and maintenance, effectively preventing impurities in sewage from clogging the system.

The application discloses a kind of broadband narrow transition zone and frequency selective surface with good wide-angle stability, belong to electromagnetic surface technical field.The frequency selective surface described in the application is composed of four layers structure, butterfly-shaped metal patch is printed on the 1st, 3rd layer dielectric plate, metal column connects butterfly-shaped metal patch up and down;Metal mesh is printed on the 2nd layer dielectric plate on single side;Cross-shaped patch is printed on the back side of butterfly-shaped metal patch, composite square patch is printed on the top layer and bottom layer dielectric plate respectively as wide-angle matching layer.The application designs the passband of frequency selective surface by designing the operating frequency band of butterfly-shaped dipole antenna, and adjusts the wide-angle stability by introducing wide-angle matching layer and capacitive patch.The application can realize stable passband transmission performance under different polarizations and incident angles within 2.3-4GHz, and the passband loss is within 1dB.The transition zone bandwidth of transistion is relatively narrow, which is 6.7%, the stopband frequency band is 0.5-2.15GHz, and the stopband suppression is greater than 10dB, with excellent reflection performance.

Image sensors and methods of forming image sensors are provided. A semiconductor device according to the present invention includes a semiconductor layer, a plurality of metal isolation components disposed in the semiconductor layer, a metal grid disposed directly above the plurality of metal isolation components, and a plurality of microlens components disposed above the metal grid. Embodiments of the present application also relate to semiconductor devices.