足球比分007

Manufacturing and application technology of electrolytic or electrophoretic process
  • Electrolytic grinding method, device and process
    The present invention relates to an electrolytic treatment, and more particularly, to an apparatus and method related to the circulation of an electrolytic solution for electrolytic grinding or electrolytic plating. As a device for forming a bigbang state, a linear collider (ilc plan) is being planned. As shown in FIG. 10, the linear collider uses a niobium hollow tube 100 having flanges 101a and 101b at both ends and a diameter periodically changing in the axial direction. In order to get through this experiment ...
  • Electrolytic grinding method, device and process
    The present invention relates to an electrolytic treatment, and more particularly, to an apparatus and method related to the circulation of an electrolytic solution for electrolytic grinding or electrolytic plating. As a device for forming a bigbang state, a linear collider (ilc plan) is being planned. As shown in FIG. 10, the linear collider uses a niobium hollow tube 100 having flanges 101a and 101b at both ends and a diameter periodically changing in the axial direction. In order to get through this experiment ...
  • Lifting plunger with electroplated layer and system, method and process for producing the same
    Embodiments of the present disclosure generally provide a coated lifting plunger having improved hardness, durability, and corrosion resistance, and methods of manufacturing, reworking, and using the lifting plunger. . Lifting plungers are artificial lifting and plunger lifting systems used in petroleum wells (eg, wells containing fluids, gases, or solid hydrocarbons or mixtures thereof) to increase production or remove contaminants. Lifting plungers withstand corrosive ...
  • Lifting plunger with electroplated layer and system, method and process for producing the same
    Embodiments of the present disclosure generally provide a coated lifting plunger having improved hardness, durability, and corrosion resistance, and methods of manufacturing, reworking, and using the lifting plunger. . Lifting plungers are artificial lifting and plunger lifting systems used in petroleum wells (eg, wells containing fluids, gases, or solid hydrocarbons or mixtures thereof) to increase production or remove contaminants. Lifting plungers withstand corrosive ...
  • Method for installing anode cover in electrolytic cell, working machine capable of implementing the method, and computer program product and process for implementing the method
    The invention relates to the field of aluminum production using the over-fire electrolytic method of the hall-héroult method. More specifically, the present invention relates to covering an anode in an electrolytic cell body for aluminum production with a powder. The industrial production of aluminum using alumina by the hall-héroult method is a well-known technique. Generally, this technology is implemented in an electrolysis unit, which includes an electrolysis plant and is installed with multiple electrolytic cells. Each electric ...
  • Method for installing anode cover in electrolytic cell, working machine capable of implementing the method, and computer program product and process for implementing the method
    The invention relates to the field of aluminum production using the over-fire electrolytic method of the hall-héroult method. More specifically, the present invention relates to covering an anode in an electrolytic cell body for aluminum production with a powder. The industrial production of aluminum using alumina by the hall-héroult method is a well-known technique. Generally, this technology is implemented in an electrolysis unit, which includes an electrolysis plant and is installed with multiple electrolytic cells. Each electric ...
  • The invention relates to metal surface treatment and electrolytic deplating, in particular to an electrolytic deplating solution and a method for simultaneously removing a copper layer and a tin layer on a hanger. With the rapid development of science and technology, people's demand for electronic products has also increased. Among them, the printed circuit board (pcb board in English for short), as a carrier of electronic components, is an important electronic component. During the PCB plating process, the conductive part of the hanger is very thick due to the tip effect of the current ...
  • Manufacturing method of gas stirring device for electroplating system
    The invention relates to a gas stirring device for an electroplating system, in particular to a gas stirring device for improving the quality of electroplating by improving the lack of uneven flow field during electroplating by more active and reliable means. Electroplating is an electrolytic reaction in which a metal is plated on the surface of another metal to form a metal shell film. We call this process electroplating. The electroplating technology is widely used in a variety of different applications and different fields ...
  • Substrate holder and electroplating device
    The present invention relates to a substrate holder and a plating device. Conventionally, wirings are formed in minute wiring grooves, holes, or resist openings provided on the surface of a semiconductor wafer or the like, or bumps (protrusions) that are electrically connected to electrodes or the like of a package are formed on the surface of the semiconductor wafer or the like electrode). As a method for forming the wiring and the bump, for example, an electrolytic plating method, a vapor deposition method, a printing method, a spherical bump method, and the like are known, but with the i / ...
  • Manufacturing method of electroplating jig for inverter heat sink
    The invention belongs to electrical equipment, and particularly relates to a plating fixture for an inverter heat sink. The inverter converts DC power (battery, storage battery) into AC power. It consists of an inverter bridge, control logic and filter circuits. The inverter is a dctoac transformer, which is actually a voltage inverse to the converter. In the process of change, an inverter is a device that converts direct current (dc) into alternating current (ac). Conversion ...
  • Manufacturing method of clamping mechanism and electroplating device
    The invention relates to a clamp, and in particular to a clamping mechanism and a plating device. In the electroplating industry, it is necessary to plate a metal layer of a desired thickness on a plate, and the plate needs to be clamped by a clamping mechanism, and the plate is suspended in a corresponding plating tank, so that metal ions in the solution in the plating tank are plated in On the surface of the plate. For example, electroplating copper on a silicon wafer with a conductive layer on its surface, or electroplating copper on the surface of a circuit board. ...
  • Electroplating device, electroplating method and process
    The present invention relates to a plating apparatus and a plating method. Conventionally, wirings are formed in minute wiring grooves, holes, or resist openings provided on the surface of a substrate such as a semiconductor wafer, or bumps (protruded electrodes) electrically connected to a packaged electrode or the like are formed on the surface of the substrate. Processing. As a method of forming the wiring and the bump, for example, an electrolytic plating method, a vapor deposition method, a printing method, a spherical bump method, and the like are known. With i / o ...
  • Method and process for preparing graphene composite material coating
    The invention relates to material surface engineering, and in particular, to a method for preparing a graphene composite material coating. Graphene is an ultra-thin graphite containing only a single atomic layer or a few atomic layers. Each atomic layer is composed of sp2 hybrid carbon atoms to form a regular hexagonal grid and a honeycomb two-dimensional structure. The universities of Kostyanovoselov and Andregeim apply a technique called mechanical microstress ...
  • Heterojunction film and its preparation method and process
    The invention belongs to a photocatalytic material, and particularly relates to a heterojunction film and a preparation method thereof. As a good material for photoelectrocatalytic degradation of organic pollutants, tio2 has the advantages of being cheap and easy to obtain, environmentally friendly, stable in nature, and excellent in photoelectric activity. However, tio2 has a wide forbidden band width (3.2ev for anatase type and 3.0ev for rutile type), and its valence band electrons can only be excited by ultraviolet light. UV light is usually ...
  • Preparation method and process of strontium-containing biofilm layer
    The invention relates to surface treatment of materials, in particular to a method for preparing a strontium-containing biofilm layer. In today's society, the incidence of fractures caused by traffic accidents, construction and sports is increasing. In many cases, it is necessary to implant repair materials to assist the growth and healing of injured tissues. However, the current bone repair biomaterials have shortcomings such as the small number, incomplete variety specifications, and difficulty in meeting the needs of clinical surgery. Therefore, the development of bone repair materials and ...
  • The invention belongs to an aluminum alloy surface treatment process, and particularly relates to a surface treatment process for an aluminum alloy part of a turning machine. Turning machine, a machine used for turning, also refers to lathe processing, which is part of mechanical processing. Lathe processing mainly uses a turning tool to turn a rotating workpiece. Drills, reamers, reamers, taps, dies and knurling tools can also be used on the lathe for corresponding processing. Lathes are mainly used for machining shafts, disks ...
  • Manufacturing method for surface protection process of high-precision light alloy parts
    The invention relates to surface protection of high-precision light alloy parts, in particular to a surface protection process for high-precision light alloy parts. Light alloys such as magnesium, aluminum, and titanium are widely used in aerospace, automotive, 3c, and other fields due to their low density. However, due to its poor corrosion resistance and wear resistance, surface protection is essential, especially magnesium alloys. Magnesium alloys are currently the lightest metal structural materials in practical application. The density of pure magnesium is 1.7 ...
  • The invention relates to the field of anodizing, and in particular to an alkaline anodizing solution and anodizing method for aluminum products. Traditional anodization of aluminum and aluminum alloys is performed under acidic conditions. There are few reports of anodizing aluminum or aluminum alloys under alkaline conditions, because it is difficult to form aluminum oxide films in alkaline environments. Aluminum alloys and aluminum oxide films are severely corroded in alkaline environments. It is difficult to anodize aluminum products in alkaline environments ...
  • Method and process for preparing super-hydrophobic stainless steel surface with self-repairing characteristics
    The invention belongs to functional materials, and particularly relates to a method for preparing a super-hydrophobic stainless steel surface with self-repairing characteristics. As a general metal material, stainless steel is widely used in chemical industry, electric power, marine, weaponry due to its good corrosion resistance, heat resistance, low temperature strength and mechanical properties, good hot workability such as stamping and bending, and no heat treatment and hardening. And other fields, making heat exchange equipment, containers, valves, pumps, turbines, shafts and other machinery and ...
  • Method and process for preparing super-hydrophobic low-carbon steel surface with self-repairing characteristics
    The invention belongs to a functional material, and particularly relates to a method for preparing a super-hydrophobic low-carbon steel surface with self-healing properties. As a general metal material, low carbon steel is widely used in military and civil sectors such as chemical industry, electrician, electric power, marine, weaponry, etc., to produce heat exchange equipment, containers, valves, pumps, turbines, shafts and other machinery and components. However, severe corrosion occurs when exposed to corrosive media and humid air. In recent years, ...
1 2 3 4 5 6 >> Last
Technical classification