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Application of Vacuum Coating Technology

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Application of Vacuum Coating Technology

Date:2017-06-28 Author:senleijidian Click:

Vacuum coating technology is applied earlier. At the beginning of the 20th century, Edison invented the record wax film using cathodic sputtering surface metallization process, and in 1903 declared a patent, which is the beginning of thin film technology in the industrial application. But this technology at the time due to vacuum technology and other related technology development constraints, the development of slower. It was not until the Second World War that Fascist Germany made the technique work in war and prepared various military optical lenses and mirrors to first use this technology to develop rapidly in the optics industry. And gradually formed a thin film optics, as an important branch of optics.

      Vacuum coating technology in the electronic aspects of the beginning is used to manufacture resistance and capacitance components, followed by semiconductor technology in the field of electrical engineering applications, but also to make this technology transistor manufacturing and integrated circuit production of the necessary means of technology. In recent years, with the integrated circuit to large-scale and large-scale integration of the direction of development, and thus the vacuum coating technology put forward new requirements. And thus in the field of electrical mechanics has produced a new branch - thin film microelectronics.

      Surface science is a new science developed on the basis of solid science and many other scientific fields, and its research objects are all kinds of surfaces. Vacuum coating technology provides a means for manufacturing a wide variety of cleaning surfaces. Especially in the 1970s in the vacuum coating on the basis of the development of molecular beam epitaxy technology, with him not only can be prepared to accurately control the ultra-thin film, atomic flatness of the surface, hundreds of layers of laminated film, but also can control The composition and ratio of the film. The preparation of these films are scientific research and development provides sufficient conditions. Vacuum coating technology in other areas of science is also widely used. For example, electron microscopy specimens must be subjected to vacuum coating to observe; lasers need to be coated with precision control of the optical film to use; solar energy and vacuum coating technology is also closely related.

      At present, almost any material can be coated through the vacuum coating process to the surface of other materials, which for the vacuum coating technology in a variety of industrial applications in the field opened up a broader prospect.

      The use of vacuum coating technology instead of the traditional plating process, not only can save a lot of membrane material and reduce energy consumption, but also eliminate the wet coating produced by environmental pollution. Therefore, foreign steel coating in the coating and protective film, has been used to replace the vacuum coating process plating process. In the metallurgical industry, it is common for iron and steel to add aluminum protective coatings; in the machinery industry, the vacuum coating process is used to change the processing of certain processing techniques and to save precious raw materials such as aircraft turbine engines Expensive high-temperature metal manufacturing, but the use of low prices easy to process materials, forming and then vacuum coating method on the surface of the blade with high temperature, corrosion-resistant protective layer. Another example is the use of plastic products in the automotive industry, metal parts instead of metal parts, both to reduce the weight of the car and save fuel consumption. In the metal cutting tool plating TiN dura mater can increase the life of the tool 3 to 6 times, thus saving a lot of high-speed steel.

      Plastic film using vacuum coating method plus aluminum and other metal film, and then dyeing, can be used for the industry in the decorative film.

      In recent years, the glass industry in the construction industry has been very popular, because it can not only beautify the building, but also can save energy, this is because the glass coated with a reflective film can make low-latitude area housing to avoid hot sun direct to the room, While saving air conditioning costs. Glass coating filter film and low radiation film, can make the sun into the fire, and as indoor heat source of infrared radiation can not be exposed through the glass, which in high latitudes can also achieve the purpose of thermal insulation.


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