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Corrosion of cathode by plasma of different reactive gases in cathode arc discharge
Cathodic arc discharge has been often used to deposit different metal films. In addition to Ar, which is commonly used for direct sputtering of target materials to deposit corresponding metal films,
Characteristics of vacuum coating
Compared with wet coating technology, vacuum coating technology has the following advantages:
(1) The selection of film material and substrate material is wide, the film thickness can be controlled, and a variety of functional films with different functions can be prepared.
What are the methods of vacuum coating?
(1) Vacuum evaporation: clean the substrate that needs to be coated and put it into the coating chamber. After vacuum, the membrane material is heated to a high temperature, so that the water vapor reaches about 13.3Pa, and the water vapor molecules fly to the surface of the substrate and condense into a film.
Working principle of HIPIMS pulsed magnetron sputtering
Pulsed magnetron sputtering is a kind of magnetron sputtering which replaces the traditional DC power supply with a rectangular wave voltage pulse supply
Magnetron sputtering technology is divided into direct current (DC) magnetron sputtering, medium frequency (MF) magnetron sputtering and radio frequen
Vacuum magnetron sputtering coating, vacuum evaporation coating magnetron sputtering can be divided into DC magnetron sputtering, medium frequency (MF) magnetron sputtering,
Difference between vacuum magnetron sputtering coating technology and vacuum evaporation coating technology
Vacuum magnetron sputtering coating technology is different from vacuum evaporation coating technology. Sputtering refers to the phenomenon of nuclear particles bombarding a solid surface (target), so that solid atoms or molecules are ejected from the surface.
Key points of production and quality control of coating process
The working principle of vacuum coating is that the film evaporates at high temperature and crystallizes on the surface of the workpiece. Because the air will produce resistance to the evaporation of the membrane molecules caused by collision so that the crystal becomes rough and matt,