Understand the definition of vacuum coating machine
The vacuum coating machine mainly refers to the equipment that needs to be carried out under a high degree of vacuum. So what are the specific types of vacuum coating equipment? It includes many types including PLD laser sputtering deposition, magnetron sputtering, and vacuum ion evaporation. Researchers' main ideas for designing vacuum coating equipment are divided into evaporation and sputtering. The principle of the product is also quite simple, that is, the surface material is heated to completely evaporate the components in different forms of atomic groups and ions, and finally all settle to the surface of the substrate, and a thin film is formed through the film forming process.
The first vacuum coating equipment was a long time away. The first vacuum coating technology first appeared in the 1930s, and then it was applied to industrial applications after more than ten years. Vacuum coating equipment was widely used in the 1980s. The method used in vacuum coating equipment belongs to a type of physical vapor deposition process. Because its coating often uses metal thin films, it is also called vacuum metallization. It also has a broader meaning, that is, the surface vacuum evaporation of metal or non-metallic materials produces many films with non-metallic functionality such as polymers. Among all the materials to be plated in vacuum coating equipment, in the long development, plastic is now the most common material, and then paper. Compared with metal, wood and metal, its cost is cheaper and more economical. The performance is also easier to control, the processing is very convenient, and the variety is easy to choose, so it is widely used in the automotive packaging industry. However, plastic is not the only vacuum coating equipment because of its insufficient hardness, insufficient appearance, low wear resistance and short service life. Therefore, many manufacturers will plate a layer of hard and beautiful metal on the surface of the plastic to improve its performance.
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