13results about How to "Improve anti-reflection effect" patented technology

The present application belongs to the technical field of coal seam permeability improvement in underground coal mine drilling, and provides a coal seam permeability improvement device and method for low-permeability coal seam in underground coal mine by temperature-variable jet flow, which comprises a jet flow nozzle installed at the outlet of a high-pressure water pipe, the inlet of the high-pressure water pipe being connected with a high-pressure water pump, and the high-pressure water pump being connected with a rapid heater; the jet flow nozzle is further connected with a liquid nitrogen generator through a vacuum heat insulation pipe, the inlet end of the liquid nitrogen generator being connected with a nitrogen generator, the outlet end being connected with the inlet end of a liquid nitrogen storage tank, the outlet of the liquid nitrogen storage tank being connected with a liquid nitrogen tank group, the outlet end of the liquid nitrogen tank group being connected with a cryogenic pump, and the outlet of the cryogenic pump being connected with the jet flow nozzle through a vacuum heat insulation pipe; the device effectively increases the fissure size of the drilling, improves the coal seam permeability, and increases the gas production. Meanwhile, a liquid nitrogen production device is used to directly produce liquid nitrogen, which is low in cost and can be reused. The method is simple and easy to operate, can effectively solve the loss of liquid nitrogen in the transportation process, improve the effect of liquid nitrogen on the coal body, and improve the coal seam permeability improvement effect.

The application discloses a batch preparation method of a silicon diamond infrared composite material and the silicon diamond infrared composite material, and the method comprises the following steps: taking a nano-diamond suspension as a crystal seed, and performing spin coating on a plurality of silicon substrates at 200-400 r / min for 10-30 s, and then performing high-speed spin coating, wherein the spin coating liquid is a diamond suspension; adopting an HFCVD method to deposit a diamond film on one side of the plurality of silicon substrates; the process parameters of the HFCVD method comprise that the distance between hot wires is 10-15 mm, the distance between the hot wires and the silicon substrates is 8-12 mm, and the temperature of the hot wires is 1000-1200 DEG C; and the diamond film is deposited on the other side of the plurality of silicon substrates. The method can batch-prepared diamond films with high antireflection performance and low surface roughness, realizes simultaneous processing of the plurality of silicon substrates in a single deposition, and greatly reduces equipment investment and preparation cost.

The application belongs to the technical field of material preparation, and particularly relates to a light-heat material with an antireflection coating and a preparation method thereof. Micron or nanometer magnetic particles are used as the core, and inorganic materials with antireflection function are used as the functional coating to coat the surface of the magnetic particles; wherein the functional coating is metal oxide or non-metal oxide with light reflection inhibiting function. The method is simple in operation, mild in reaction condition, and the prepared material has an antireflection coating, which can reduce the energy loss in the form of diffuse reflection on the surface of the material in the light-heat conversion process, and shows high energy conversion efficiency. In addition, the coating material is stable in chemical property, so that the prepared composite particles have certain oxidation resistance, and can be widely applied in the fields of paint and water treatment chemical industry.

The application discloses a kind of preparation methods for high transparent polyethylene film additive, belong to polyethylene technical field, to solve the technical problems of high transparent polyethylene film in prior art, high production cost, aging resistance performance needs to be further provided, including nucleating agent grafting quaternary ammonium salt modified nanosilica and low-density polyethylene are mixed, initiator is added, by melt grafting reaction in twin-screw extruder, reaction is finished, extrusion, cooling, granulation, obtain intermediate I;Intermediate I, antioxidant 168, antioxidant 1076, zinc stearate, antistatic agent 1800 and mustard acid amide are mixed, to obtain high transparent polyethylene film additive;The high transparent polyethylene film additive prepared in the application is mixed with low-density polyethylene, and the processing performance is good, to obtain the high transparent polyethylene film with lower cost;This film not only has good transparency and tensile property, but also has good aging resistance.

The present invention relates to a method of manufacturing a single-layered ultra-thin film anti-reflection sticker by a soft etching process, and an ultra-thin film anti-reflection sticker. To this end, the present invention provides a method of manufacturing an ultra-thin film anti-reflection sticker, characterized by comprising: a step of manufacturing a master mold, the master mold being a mold structure in which a plurality of hemispherical shapes are formed on an upper surface; a sticker material coating step of coating a sticker forming material on the upper surface of the master mold; a cured film covering step of covering a cured film on an upper surface of the sticker forming material; a curing step of curing the sticker forming material; a cured film removing step of removing the cured film from the sticker forming material; and a sticker peeling step of peeling the cured sticker forming material from the master mold, and the peeled sticker forming material is formed as a single-layered ultra-thin film anti-reflection sticker in which a plurality of anti-reflection structures are formed on an upper surface.

This disclosure relates to the field of solar cell manufacturing technology, and discloses a method for fabricating a solar cell and the solar cell itself. The fabrication method includes: providing a substrate layer with a first textured surface; forming an anti-reflection passivation layer on the surface of the substrate layer, the anti-reflection passivation layer conformally covering the first textured surface; laser-treating the anti-reflection passivation layer to form a second textured surface, the second textured surface including multiple micro-recesses; and forming a repair passivation layer on the laser-treated surface of the anti-reflection passivation layer to repair laser damage introduced by the laser treatment, the repair passivation layer conformally covering the second textured surface. This disclosure can ensure the passivation effect of the cell while improving the light-trapping effect of the cell surface.

The application relates to the technical field of coal seam permeability improvement, and provides a deep coal seam combined permeability improvement method and system. The combined permeability improvement method comprises the following steps: according to obtained coal seam parameters of a target coal seam, drilling two empty holes and a fracturing hole in the target coal seam; the two empty holes and the fracturing hole are located in the same horizontal coal seam; performing three times of grouting and hole sealing on the target coal seam; after the hole sealing is completed, performing once of hydraulic fracturing on the target coal seam, so that new fractures are generated in the target coal seam after the hydraulic fracturing; and adopting an air gun to cyclically perform high-pressure air pulse on the target coal seam to expand the fractures. Therefore, the development scale of the fractures is better increased, the gas enrichment area and the extraction blank area are reduced, the permeability improvement effect of the coal seam is better, the range is larger, and gas extraction is more thorough.

The present application relates to the technical field of chip manufacturing, in particular to a high-speed photoelectric detector and a manufacturing method thereof, the antireflection film prepared based on the spraying process of the polymer has good antireflection effect on the communication waveband light signal, the external quantum efficiency of the photoelectric detector is increased, and the antireflection effect on the light signal is improved; meanwhile, the antireflection film prepared based on the spraying process of the polymer has good interface contact, the polymer releases thermal stress due to the periodic distribution of nano-pores when the temperature changes, the temperature influence on the photoelectric detector is reduced, and no defects are generated on the surface of the photoelectric detector, the influence of the degradation of the photoelectric detector is avoided, and the high-speed response characteristics of the photoelectric detector are ensured.

The invention relates to the technical field of micro display, and discloses a display panel and a display device.The display panel comprises light-emitting units arranged in an array, and each light-emitting unit comprises light-emitting areas of different colors and pixel definition structures arranged between the adjacent light-emitting areas; the first anti-reflection layer is arranged on one side, far away from the substrate, of the pixel definition structure; the lens layer is arranged on the side, away from the substrate, of the light-emitting unit, and the lens layer comprises micro lens structures in one-to-one correspondence with the light-emitting areas; and the second anti-reflection layer is arranged between any two adjacent micro lens structures. According to the invention, the first anti-reflection layer, the second anti-reflection layer and the third anti-reflection layer form a multi-stage anti-reflection path which works cooperatively, so that environmental stray light which enters from different angles can be absorbed and reduced layer by layer.

The application discloses a conductive silver paste for photovoltaic cells and a preparation method thereof. The conductive silver paste comprises the following raw materials in percentage: 65-85% of silver powder and 1-3% of modified binder, and the rest is an organic carrier. In the printing process of the conductive silver paste, the substances in the organic carrier contact the silver powder, so that the silver chelate in the organic carrier is fully contacted, and then a stable conductive path can be formed during baking. The modified binder is a lead-free glass formed by taking bismuth trioxide as a main raw material to form a bismuth-based glass. The addition of calcium fluoride in the raw material can reduce the water absorption of the bismuth-based glass, thereby ensuring the stability of the resistivity. The addition of titanium dioxide can exist in a quadruple coordination form, so that the Si-O-Si bond in the glass is changed into a Si-O-Ti bond, thereby forming an interconnected tetrahedral structure, increasing the network connectivity of the glass, and simultaneously increasing the antireflection effect of the glass and the utilization rate of light energy.

The present application relates to coal seam permeability enhancement technical field, and disclose a kind of hydraulic mechanical cavitation device for coal seam permeability enhancement and use method, comprising: rack, the rack is slidably installed with step module, hydraulic machine is slidably installed on the step module;The output end of the hydraulic machine is threadedly connected with first drill rod, the first drill rod is threadedly connected with second drill rod at one end away from the hydraulic machine, and drill-in assembly is connected at the end of the second drill rod away from the first drill rod;Expanding hole assembly is arranged in the second drill rod.By the cooperation of drill-in assembly and driving mechanism, drill bit can be drilled by mechanical impact, and the technical effect of permeability enhancement and cavitation is achieved.Compared with high-pressure water driving technology, the use of mechanical impact has the advantages of accurate control and stable operation, and also avoids the gas gushing, hole plugging and equipment hazards existing in hydraulic permeability enhancement.

This invention relates to the field of functional film preparation technology, specifically to a method for preparing a wear-resistant, stain-resistant, transparent, and slip-resistant film, comprising a wear-resistant and hardening primer, a slip-resistant and transparent intermediate layer, and a wear-resistant and stain-resistant topcoat. The wear-resistant and hardening primer comprises hydroxyethyl acrylate modified amino resin, polyurethane oligomer, trimethylolpropane triacrylate, 1,6-hexanediol diacrylate, a mixed solvent, KH560 silane coupling agent, nano-alumina, polytetrafluoroethylene micropowder, photoinitiator 1173, silicone leveling agent, and isocyanate curing agent. The mixed solvent is composed of ethyl acetate and ethanol. This invention employs a three-layer synergistic coating system, significantly improving the bonding stability between the coating and the substrate, as well as between the coating layers, through functional differentiation design and interface optimization of the primer, intermediate layer, and topcoat.

The utility model relates to the technical field of crystal coating, in particular to a crystal coating structure which comprises a crystal base body, the upper surface of the crystal base body is of a polyhedral structure, the lower surface of the crystal base body is of a planar structure, and an adhesion layer, a reflecting layer and a dielectric layer are arranged on the lower surface of the crystal base body. The adhesion layer is located between the crystal substrate and the reflection layers, and the reflection layers and the dielectric layers are alternately stacked. By optimizing the structural design of the plating layer of the crystal, the bonding strength of the plating layer and the crystal base body is improved, the optical performance is enhanced, and the effect of remarkably improving the durability and the attractiveness of the plating layer is achieved.