Several coating methods of vacuum coating machine

Several coating methods of vacuum coating machine

Vacuum coating technology, simply speaking, is in a vacuum environment, the use of evaporation, sputtering, and other ways to emit film material particles, deposited in metal, glass, ceramics, semiconductors, plastic parts, and other objects to form a coating layer. Its main methods include the following:

1. Vacuum evaporation
Its principle is under the vacuum condition, with the evaporator heating film material, so that its gasification or sublimation, evaporation particle flow directly shot to the substrate, and deposition on the substrate to form a solid film technology.
2. Sputtering coating
Under vacuum conditions, high voltage is connected to the cathode, glow discharge is excited, and positively charged argon ions impact the cathode target so that the film particles are emitted and deposited on the substrate to form a film layer.
3. Ion plating
Ion plating usually refers to the coating method that produces a large number of ions during the coating process. During the formation of the film, the substrate is bombarded by high-energy particles all the time, and the film has a very strong strength and bonding force.
4. Vacuum winding coating
Vacuum winding coating is a kind of continuous coating technology on the surface of the flexible film by using various coating methods to achieve some special functional and decorative properties of the flexible matrix.

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