22results about How to "No color difference" patented technology

The invention provides electroplating liquid, an electroplating method, an alloy bump and a preparation method of the alloy bump. The electroplating solution comprises the following components with mass concentration: 5-20 g / L of water-soluble cyanogen-containing gold salt, 1-15 g / L of water-soluble silver-containing salt, 0.5-5 g / L of cobalt citrate, 1-10 g / L of a refiner, 20-100 g / L of conductive salt, 10-90 g / L of a compound complexing agent and the balance of deionized water. The refining agent is selected from one or more of sodium lignin sulfonate, 5-nitroguaiacol sodium salt, sodium carboxymethyl cellulose and sodium alginate. Cobalt citrate and a specific substance are selected as refiners, so that the prepared gold-silver alloy bump is high in hardness and low in surface roughness; and through matching of the complexing agent, the antioxidant and the stabilizer, the oxidation resistance and the stability of the electroplating liquid are greatly improved, and the service life is prolonged.

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

The invention relates to the technical field of resin material modification, and particularly provides a polycarbonate material and a preparation method thereof, an air deflector and an air conditioner, and the polycarbonate material is prepared from the following raw materials in parts by weight: 80-91 parts of polycarbonate resin; 6-10 parts by weight of a toughening agent, wherein the toughening agent comprises a siloxane acrylate copolymer and an ethylene-methyl acrylate copolymer; 1-3 parts by weight of a phosphate softener; and 0.5-1 part by weight of a flow modifier. The polycarbonate material provided by the invention has good high and low temperature resistance, the prepared air deflector is not easy to deform under high and low temperature conditions, and the material also has excellent chemical resistance, has small chromatic aberration in an aging or high-temperature environment, and can be used for large-scale production of air deflectors.

The utility model relates to the technical field of optical detection, and particularly discloses an aperture off-axis total reflection type infrared optical system, which comprises an optical element and a lens cone, and the optical element comprises a primary lens, a secondary lens, a third lens and a detector. Incident light from a target is reflected by the primary mirror and then forms a primary image plane between the primary mirror and the secondary mirror, and then the incident light is reflected by the secondary mirror and the third mirror in sequence and reaches the focal plane of the detector without blocking to form a target image. The entrance pupil is arranged in front of the primary mirror; the primary mirror and the secondary mirror are eccentrically arranged in the Y-axis direction and are obliquely arranged around the X-axis. And the third mirror is eccentrically arranged in the Y-axis direction. The utility model has the advantages of compact structure, high efficiency, easy heat elimination, and good imaging quality.

The invention relates to a production and preparation process of a bright stainless steel wire rope with high corrosion resistance. The production and preparation process comprises the following steps: S1, rope combining and paying off; s2, electrolytic polishing: electrolyzing the stainless steel wire rope paid off in the step S1 through an electrolytic polishing tank; s3, rinsing: the stainless steel wire rope passes through a cleaning tank and is washed with clear water, and residual acidic electrolyte is cleaned; s4, neutralizing: neutralizing the rinsed stainless steel wire rope by using an alkaline solution in a neutralizing tank; s5, washing with hot water: washing the neutralized stainless steel wire rope with hot water of 70-85 DEG C in a hot water tank; s6, coating: guiding the steel wire rope into a drying oven to preheat the steel wire rope, guiding the steel wire rope out of the drying oven to enter an overflow coating box through a pulley, and guiding the steel wire rope into the drying oven for drying after passing through the overflow coating box; nano coating liquid is arranged in the overflow coating box; and S7, taking up. The corrosion resistance and the service life of the steel wire rope disclosed by the invention are greatly improved under the dual protection of the nano protective layer and the self passive film.

The invention provides a coaxial three-mirror wide-spectrum telescopic optical system configuration, which belongs to the technical field of optical systems and specifically comprises a pupil-deflection primary mirror, a pupil-deflection secondary mirror, a first reflex plane mirror, a pupil-deflection third mirror and a second reflex plane mirror. The partial pupil primary mirror, the partial pupil secondary mirror and the first turning plane mirror form a wide spectrum reflection type objective lens group; the partial pupil third mirror and the second turning plane mirror form a wide-spectrum reflective eyepiece group; the first turning plane reflecting mirror, the partial pupil third mirror and the second turning plane reflecting mirror are positioned on one side, back to the partial pupil secondary mirror, of the partial pupil primary mirror; a light path of the coaxial three-mirror wide-spectrum telescopic optical system sequentially passes through the pupil deflection primary mirror, the pupil deflection secondary mirror, the first turning plane mirror, the pupil deflection third mirror and the second turning plane mirror according to the optical axis. The coaxial three-mirror wide-spectrum telescopic optical system configuration is realized, and the coaxial three-mirror wide-spectrum telescopic optical system has the advantages of high magnification, unobstructed light path, wide spectrum, high-quality imaging and compact spatial layout.

The utility model relates to the technical field of bridge pull rod hole plugging structures, in particular to a novel concrete pull rod hole plugging structure which comprises a plugging concrete block which comprises a main tower prefabricated plugging concrete block and a pier body prefabricated plugging concrete block. The main tower prefabricated plugging concrete block is inserted into the main tower conical nut pull rod hole, the pier body prefabricated plugging concrete block is inserted into the pier body nut pull rod hole, rapid construction of pull rod hole plugging can be achieved, operation is easy and convenient, efficiency is high, control can be achieved, after pull rod hole plugging is completed, the appearance quality is good, large color difference does not exist on the whole, and the construction period is shortened. And the plugging block is bonded through resin glue, durability is good, falling is avoided, safety is high in the later operation period, the concrete block and the resin glue are adopted for plugging the pull rod hole, the finished product is low, batch production and use can be achieved, and high application and popularization value is achieved.

The utility model discloses a toner mixer which comprises a mixer body, at least one main material screw conveyor and at least one auxiliary material conveying module, wherein a mixing cavity with an open upper end is arranged in the mixer body, a mixing piece is arranged in the mixing cavity and is driven by a mixing motor outside the mixer body to rotate, and the toner mixer further comprises at least one main material screw conveyor and at least one auxiliary material conveying module, the main material screw conveyor and the auxiliary material conveying module are arranged at the top of the stirring machine body, a main material hopper is installed on the upper side of the main material screw conveyor, the auxiliary material conveying module comprises a weighing assembly and an auxiliary material bin arranged on the upper side of the weighing assembly, the weighing assembly comprises a weighing sensor and a connecting shaft erected at the upper end of the weighing sensor, and the first axial end of the connecting shaft is connected with a weighing spoon; the weighing spoon is located over the stirring cavity, a motor is arranged at the second axial end of the connecting shaft, and a main shaft of the motor is in transmission fit with the connecting shaft. According to the utility model, various problems of manual stirring and mixing in the prior art can be solved.

The present application relates to the field of concrete materials, and specifically discloses an environmentally friendly concrete release agent and a preparation method thereof. An environmentally friendly concrete release agent comprises the following raw materials in parts by weight: 30-45 parts of castor oil, 3-7 parts of emulsifier, 0.5-2 parts of polyethylene glycol, 2-4 parts of isopropanol, 3-5 parts of bentonite, 2-6 parts of rust inhibitor, 40-50 parts of water, 2-4 parts of isocyanate, and 5-8 parts of silane coupling agent. An environmentally friendly concrete release agent of the present application uses castor oil as the main component of the release agent, polyethylene glycol can form a film for protection, isopropanol and bentonite can play a role in defoaming, and under the mutual cooperation of each component, the demoulding performance of the release agent is improved, the release agent is reduced from adhering to the surface of the concrete, and the influence of bubbles on the concrete is reduced, so that the concrete surface is smooth, clean, and has no color difference.

The utility model relates to the field of welding processing, in particular to a chromatic-aberration-free large-size thin-wall aluminum alloy part FSW manufacturing device which comprises a welding station, a shape correcting station and a polishing station which are sequentially arranged in the section bar processing direction. The welding station comprises a base used for fixing the profiles, a positioning block and a clamping block are arranged on the base in parallel, the clamping block and the positioning block can move in opposite directions to clamp the profiles to be welded, and the welding station further comprises pressing blocks which apply pressing actions from top to bottom to the two profiles respectively. After being pressed, the two profiles are welded through a static shaft shoulder friction stir welding device; the shape righting station comprises an upper shape righting wheel and a lower shape righting wheel, and a gap is formed between the wheel face of the upper shape righting wheel and the wheel face of the lower shape righting wheel so that welded profiles can pass through the gap. According to the utility model, the welded large-size section bar is uniform and consistent in appearance and has no color difference, and the production requirement is met.

The present invention discloses a wide coverage, high-resolution greenhouse gas imaging spectrometer and its application. The optical system of the spectrometer includes a reflective front telephoto objective and a collimating lens, as well as a multi-channel independent spectroscopic imaging device. Multiple spectral channels share the front telephoto objective and the collimating lens, and there is no need to consider the spatial alignment problem. The structure is a three-reflector structure; the spectroscopic device adopts a near-Littrow mount, prism + prism grating + prism structure, with a reflective immersion grating for spectrometry, and a wedge prism to assist in dispersion and distortion correction; the imaging device adopts a transmission Pittswan structure. The spectrometer provided by the present invention has the advantages of wide coverage, low distortion, large relative aperture, high transmittance, and high resolution, and can be used for high-precision quantitative detection of four different types of greenhouse gas concentrations at the same time.

The invention discloses a spraying-free polyurethane self-skinning foam material and a preparation method thereof. The polyurethane self-skinning foam material comprises a material A and a material B, and is prepared by adopting a closed mold pouring process. According to the invention, the surface defect-free requirement is met by adjusting the ratio of grafted polyether to trifunctional polyether in the material A and the specific color paste ratio, various light-resistant and aging-resistant requirements after paint spraying are met by adding an aging aid, the friction-resistant requirement is met by using a physical foaming agent and low-surface-energy particles, and a foam production process is matched, so that the wear-resistant performance of the paint is improved. The polyurethane foam produced under the condition of no paint spraying can meet various requirements which can only be met by original paint spraying foam, such as excellent appearance, comfortable hand feeling and good light resistance and friction resistance.

The invention provides a display device and electronic equipment, and relates to the technical field of display, and the display device comprises a top substrate, an array substrate, a supporting structure and a flowing medium layer; the array substrate comprises a substrate plate and a plurality of pixel units arranged on the substrate plate, each pixel unit comprises a pixel electrode layer and a thin film transistor, each thin film transistor comprises a gate layer, a semiconductor layer and a source and drain electrode layer, and each pixel electrode layer is connected with a drain electrode of the corresponding source and drain electrode layer through a via hole; the supporting structure is arranged between the common electrode layer and the pixel electrode layer in the top substrate, the supporting structure comprises first retaining walls and second retaining walls, the multiple first retaining walls intersect to form a cavity, the second retaining walls are arranged in the cavity, and the projection of the second retaining walls on the substrate plate covers the projection of the via holes on the substrate plate; a plurality of closed areas are formed between the second retaining wall and the cavity; the flowing medium layer comprises electrophoretic particles and electrophoretic liquid which are arranged in the closed area. The display effect can be effectively improved.

The invention belongs to the field of chemical plating, and particularly discloses a chemical nickel-palladium-gold plating solution which comprises a nickel plating solution, a palladium plating solution and a gold plating solution. The nickel plating solution comprises, by mass concentration, 4-6 g / L of nickel salt, 3-7 g / L of a complexing agent, 20-60 mg / L of a stabilizer, 10-20 g / L of a reducing agent, 30-60 mg / L of an anti-pinhole agent and 90-180 mg / L of a plating starting agent. A plating layer prepared by adopting the chemical plating solution has excellent appearance, the surface of the plating layer is bright and free of pinholes, metal bumps and chromatic aberration, the gold wire bonding yield is 100%, the chemical plating solution has excellent binding force, corrosion resistance and the like, and the chemical plating solution is good in stability, long in service life and not prone to dissociation, can be applied to the surface treatment process of a carrier plate, and can be widely applied to the surface treatment process of the carrier plate. And the requirements of high-efficiency and high-performance nickel-palladium-gold plating of domestic support plates are met

The present invention relates to an optimization method for double-sided water washing control of plated parts based on a computational fluid dynamics space model, and belongs to the technical field of double-sided semiconductor electronic electroplating. The present invention continuously constructs and improves the CFD space model by combining the computational fluid dynamics model with experimental data feedback, thereby quickly establishing the optimal cleaning production conditions for various semiconductor devices with different structures. After continuous iteration and upgrading of the CFD space model to improve the accuracy of the CFD space model, it is helpful to improve the various parameters of the double-sided cleaning device for double-sided water washing semiconductor devices, thereby obtaining the optimal double-sided water washing control method for plated parts, which can not only achieve the uniformity of double-sided cleaning of semiconductor devices, but also achieve thorough and uniform cleaning of semiconductor devices, meeting the basic requirements of no white spots, no dirt and no color difference on their surfaces.

The luggage rack armrest structure includes a luggage rack end profile, which is connected to an armrest connecting block via T-bolts. The other end of the armrest connecting block is connected to an armrest tube, and an armrest end cap is provided at the end of the armrest tube. The luggage rack end profile includes upper and lower profile support frames, with a cavity between the two support frames. The T-head of the T-bolt is confined within the cavity. Compared with the prior art, this utility model has the following advantages: the newly designed luggage rack armrest is made of aluminum profile, eliminating the PVC core, avoiding color difference issues, coordinating with the interior exterior, and improving aesthetics.

The invention discloses a quartz powder production process, and relates to the technical field of quartz processing, the quartz powder production process comprises the following steps: S1, a feeder transfers ore to a vibrating screen for cleaning through a conveyor belt, and the vibrating screen divides the ore into a first specification and a second specification according to the size of the ore; s2, the ore of the first specification is manually selected, the ore of the second specification is subjected to secondary cleaning and screening, and then the ore is selected through a color selector; s3, the screened ore of the first specification is crushed, and then crushed materials and tailings are obtained through a drum screen; s4, putting the crushed material and the ore of the second specification into a ball mill for grinding to obtain quartz powder; and S5, quantitative quartz powder is conveyed into a homogenizing device, the homogenizing device evenly mixes the quartz powder, the whole color of the quartz powder is the same, and finally the quartz powder is packaged and stored. The problems that due to the chromatic aberration of quartz powder in the same batch, produced products have chromatic aberration in appearance, and large-batch use of the products is affected are solved.

The invention discloses an acrylate pressure-sensitive adhesive, an acrylate pressure-sensitive adhesive film and a preparation method of the acrylate pressure-sensitive adhesive film. The acrylate pressure-sensitive adhesive comprises the following raw materials in parts by weight: 500-900 parts of a (methyl) acrylic acid soft monomer, 400-800 parts of a (methyl) acrylic acid hard monomer A, 80-100 parts of acrylic acid, 5-15 parts of a (methyl) acrylic acid functional monomer, 1-10 parts of a (methyl) acrylic acid hard monomer B, 1800-4200 parts of a solvent and 5-10 parts of an initiator. The solvent is selected from the group consisting of n-hexane, cyclohexane, n-heptane, acetone, and isopropanol. Through matching of different solvents, the performance of the pressure-sensitive adhesive is adjusted, and the prepared acrylate pressure-sensitive adhesive has excellent adhesive force and cohesion, and is good in high temperature resistance and aging resistance, less in adhesive force reduction and free of obvious color difference.

The invention provides a resin composition, a resin adhesive film and application thereof. The resin composition comprises the following components in parts by weight: (A) 30-55 parts of thermoplastic polyphenyl ether; (B) 10-35 parts of low molecular weight polyolefin resin; and (C) 20-50 parts of polyolefin resin with high tensile strength, wherein the tensile strength of the polyolefin resin with high tensile strength is greater than or equal to 20 MPa. By designing the specific composition of the resin composition, the resin composition with excellent performance is prepared, and then the resin adhesive film which is ultrathin, can be matched with a high-frequency base material, can tolerate the high-temperature pressing condition of the high-frequency base material and is suitable for processing of a thick copper product of a high-frequency hydrocarbon base material is prepared.

The invention relates to a vehicle with an atmosphere projection lamp. The vehicle comprises an interior trim part and a projection lamp assembly. The interior trim part comprises a projected surface and a supporting part protruding relative to the projected surface. The projection lamp assembly comprises at least two RGB light sources, at least two sets of illumination lens sets and an MLA lens. The MLA lens comprises a lens substrate and at least two sets of pattern parts for imaging patterns. The object plane aperture of the illumination lens group is larger than the light emitting area of the RGB light source, the light receiving angle of the light source side of the illumination lens group is larger than the divergence angle of the RGB light source, and the light emitting angle of the illumination lens group is smaller than the field angle of the MLA lens; light emitted by the RGB light source passes through the corresponding illumination lens group and the MLA lens and then is irradiated to a projected surface. The automobile interior trim part has the beneficial effects that switching and color changing of projection patterns on the interior trim part are achieved through the MLA lens and the RGB light source, the colors of the projection patterns can be changed, and meanwhile the projection patterns do not have the obvious chromatic aberration problem.

The present application provides an electroplating solution and an electroplating method, an alloy bump and a preparation method thereof. The electroplating solution includes the following components in mass concentration: 5-20 g / L of water-soluble cyanide-containing gold salt, 1-15 g / L of water-soluble silver salt, 0.5-5 g / L of cobalt citrate, 1-10 g / L of refiner, 20-100 g / L of conductive salt, 10-90 g / L of complexing agent, and the remainder is deionized water; the refiner is selected from one or more of sodium lignin sulfonate, sodium 5-nitroguaiacol, sodium carboxymethyl cellulose and sodium alginate. By selecting cobalt citrate and specific substances as refiners, the gold-silver alloy bumps obtained have high hardness and low surface roughness; by combining complexing agents, antioxidants and stabilizers, the antioxidant and stability of the electroplating solution are greatly improved, and the service life is extended.

The invention discloses an electronic jacquard machine double-pattern-to-single-pattern fabric and a weaving method and application thereof, and belongs to the technical field of textile fabric weaving. The warp yarns are formed by circularly arranging wool yarns with various colors along the warp direction; the weft yarns consist of wool yarns and 90-110D polyester low stretch yarns; one side of the fabric is a two-up and two-down right twill weave formed by interweaving surface warps and surface wefts, and a check effect is shown; the other side of the fabric is a three-up and one-down right twill weave formed by interweaving the inner warps and the inner wefts, and a pattern effect is presented; the polyester low stretch yarns are used as double-layer binding points; according to the double-face yarn-dyed fabric, the double-face yarn-dyed effect that one face is provided with checks and the other face is provided with jacquard weave is achieved, the two faces of the fabric are interwoven through different textures and dyed yarn, the stability of the fabric is improved in cooperation with polyester double-layer binding points, the fabric is attractive and practical, and cost is saved.