9results about How to "Small thickness deviation" patented technology

A flexible circuit board includes a substrate, a plurality of circuit patterns disposed on the substrate, and a protective layer disposed on the circuit patterns, wherein each of the plurality of circuit patterns has a thickness greater than 8 µm and less than or equal to 25 µm, and wherein a thickness deviation between the plurality of circuit patterns is 0.5 µm to 3 µm. When the flexible circuit board is connected with a display panel, the display panel can have high performance and high current can flow through the display panel. The circuit pattern having the features according to the present invention is prevented from being damaged by high current.

The utility model discloses a spraying device for a casting part surface treatment process, and belongs to the technical field of surface coating. The material collecting device comprises a material collecting platform, a rotary positioning table and a clamp, wherein a material collecting box is arranged on the material collecting platform; the rotary positioning tables are arranged in a row and comprise rotary tables, first sliding grooves are formed in the rotary tables, T-shaped sliding blocks matched with the first sliding grooves are arranged on the first sliding grooves, clamping blocks are arranged at the bottoms of the rotary tables, and the clamping blocks are arranged on the material collecting box; the number of the clamps is two, each clamp comprises a supporting column, a first hole is formed in the upper portion of the supporting column, a rotating rod is arranged on the first hole, a clamping hand is arranged at one end of the rotating rod, the bottom of one supporting column is arranged on the T-shaped sliding block, and the other clamping hand is arranged on the rotary table. Through the structural design of the rotary positioning table and the clamp, accurate positioning and constant-speed rotation of a casting are achieved, the multi-axis adjustable spray gun array is matched, it is guaranteed that a coating is evenly covered, the device is suitable for corners, grooves and other areas difficult to spray of the casting of a complex structure, and the thickness deviation of the coating is reduced.

The application provides a molding device for preparing carbon paper base paper, which mainly comprises matched first and second molding plates, wherein the inner surface of the first molding plate is a flat surface; the inner surface of the second molding plate is provided with a first groove in the center, and a well-shaped flow channel network is arranged around the periphery; a second groove and a third groove are symmetrically arranged at the two side edges and are separated from the flow channel network. When the first and second molding plates are hot-pressed and attached, the first molding plate and the first groove form a closed molding chamber. Through the groove layout and the well-shaped flow channel network, the problem of uneven glue discharge and thickness fluctuation of the carbon paper base paper is solved, and the production quality and stability of the carbon paper base paper are improved.

The invention belongs to the technical field of food processing mechanical equipment, and particularly relates to a vacuum freeze-drying marine shellfish meat crisp chip processing machine which comprises a conical hopper and further comprises supporting columns symmetrically and fixedly connected to the surface of the conical hopper, and rolling compression rollers are symmetrically and rotationally connected to the inner wall of the conical hopper; the lower end of the conical hopper is fixedly connected with a material guiding barrel, the inner wall of the material guiding barrel is rotationally connected with an auger disc, and a conveying belt is arranged under a discharging opening of the material guiding barrel; the device can efficiently scatter seasoned sticky shellfish meat agglomerated blocks, realizes uniform conveying and spreading, reduces waste of raw materials, strengthens structural stability through three-dimensional reinforcement and split design, reduces maintenance difficulty, can guarantee food contact safety, is adaptive to multi-specification processing requirements, and improves equipment operation efficiency and crisp chip quality stability.

This invention discloses a rapid self-assembly of Ti3C2T based on pH regulation. x The method for preparing MXene thin films is as follows: 1. Preparation of Ti3C2T x MXene dispersion; 2. Adjust pH to 1.5-3.0 with inorganic acid; 3. After stirring and settling, vacuum filter and self-assemble into a film; 4. After drying, peel off to obtain Ti3C2T. x MXene thin films. This invention introduces trace amounts of inorganic acid to regulate the surface charge and colloidal stability of MXene sheets, effectively weakening the electrostatic repulsion between sheets, significantly improving the film formation efficiency of vacuum filtration, and ensuring the quality of Ti3C2T films. x MXene films offer excellent conductivity and are simple and inexpensive to process, requiring no special equipment, making them ideal for achieving high-quality Ti3C2T. x The efficient and large-scale preparation of MXene thin films provides a reliable approach suitable for electromagnetic shielding, flexible electronics, and electrochemical energy storage.

The invention relates to the technical field of photovoltaic silicon plate electroplating, in particular to a horizontal electroplating conductive roller and a conveying mechanism. Comprising a conductive part, an insulating soft rubber layer, a conductive shaft and a metal wire, the end of the metal wire penetrates through the insulating soft rubber layer and extends outwards to form a conductive contact, insulating partition plates extend outwards in the center of the conductive shaft in the circumferential direction, and an arc-shaped conductive strip is arranged between every two insulating partition plates. According to the design, the surface of the roller body is made of an insulating material, the surface of the roller body is prevented from being plated with copper only through electric conduction of the conductive contacts and the silicon plate, the power supply device intermittently supplies power to partial areas of the roller body, the areas except the positions in contact with the silicon plate are powered off, conductive contacts in other areas are prevented from being powered on and plated mistakenly, the maintenance time is prolonged, and the electroplating liquid loss is reduced; a plurality of contacts are in synchronous contact, and current contact interruption is avoided.

This invention relates to the field of platinum feed channels, specifically to a variable cross-section homogenization and purification device for platinum feed channels used in glass float glass production. The device includes a feed channel body composed of a contraction section, a homogenization section, and a flaring section. The contraction section is located on one side of the feed channel body at the inlet end. The contraction section has a funnel-shaped structure, with the larger opening end located at the feed end of the feed channel body. The diameter ratio of the two openings of the contraction section is 4:3, and the length ratio of the contraction section to the diameter of the smaller opening end is 3.5:3. The homogenization section has a cylindrical structure, with one end connected to the smaller opening end of the contraction section. The flaring section is located at the end of the homogenization section furthest from the contraction section. The flaring section also has a funnel-shaped structure, with the smaller opening end connected to the end of the homogenization section. This invention can suppress glass melt backflow, simplify the process flow, reduce production energy consumption, improve homogenization efficiency, and reduce the defect rate.

The utility model discloses a kind of steel pipe hot-dip galvanizing fixing devices, belong to steel product processing technical field, comprising: connecting mechanism, the fixed mechanism connected with the connecting mechanism, and the swing mechanism being located on the connecting mechanism and being connected with fixed mechanism;The fixed mechanism is used to fix the pipe to be galvanized, comprising: two-way threaded rod, the two-way threaded sleeve connected with the two-way threaded rod, the T-shaped frame connected with the two-way threaded sleeve, support arm located on T-shaped frame, fixed hoop located on the support arm, and adjusting piece compatible with the fixed hoop;The fixed hoop and adjusting piece are compatible for fixing the pipe to be galvanized.The utility model solves the technical problem that the slow updating speed of zinc liquid on the surface of steel pipe caused by poor flowability of zinc liquid, thereby causing uneven thickness of coating, realizes the technical effect of improving uniformity in galvanizing process, reduces the thickness deviation of coating.