10results about How to "No color difference" patented technology

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 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 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 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.