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Advantages of chemical vapor deposition CVD technology

Many university laboratories and research institutes are now studying chemical vapor deposition (CVD). Today we will mainly talk about the advantages of CVD technology:
chemical vapor deposition2JsMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
2JsMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
chemical vapor deposition
　　 Compared with other deposition methods, CVD technology has the following advantages in addition to the advantages of simple equipment, convenient operation and maintenance, and strong flexibility:2JsMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
2JsMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
　　 (1) At medium temperature and high temperature, the solid is deposited by the gas phase chemical reaction between the gaseous initial compounds;2JsMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
2JsMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
　　(2) Deposition can be carried out at atmospheric pressure (normal pressure) or below atmospheric pressure, generally speaking, the effect of low pressure is better;2JsMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
2JsMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
　　(3) The use of plasma and laser assisted technology can significantly promote chemical reactions, so that the deposition can be carried out at a lower temperature;2JsMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
2JsMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
　　(4) The chemical composition of the coating can be changed to obtain a gradient deposit or a mixed coating;2JsMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
2JsMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
　　(5) The density and purity of the coating can be controlled;2JsMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
2JsMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
　　(6) Good winding and plating properties, which can be deposited on complex-shaped substrates and granular materials;2JsMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
2JsMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
　　(7) The gas conditions are usually laminar, which can form a thick boundary layer on the surface of the substrate;2JsMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
2JsMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
　　(8) The deposited layer usually has a columnar crystal structure and is not resistant to bending. However, the chemical reaction can be disturbed by various techniques to obtain a fine-grained equiaxed deposition layer;2JsMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
2JsMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
　　(9) A variety of metal, alloy, ceramic and compound coatings can be formed. As long as the raw material gas is slightly changed, different process parameters can be used to prepare deposits with different properties; it can be coated with various complex shapes of workpieces, such as workpieces with grooves, grooves, holes or blind holes; the coating is combined with the substrate Strong and so on.2JsMuffle Furnace,Tube Furnace,Vacuum Furnace,Atmosphere Furnac
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