Glass coating machine and its evaporation source

The glass coating machine is mainly used for the production of coated glass. The glass processed by the coating realizes the function that ordinary glass does not have. The performance is better than that of the original glass, and the price may be more expensive. At present, there are several main production methods of coated glass: one is vacuum evaporation coating; the other is vacuum magnetron sputtering coating; the third is solution gel method; the fourth is powder thermal spraying method.

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Vacuum evaporation glass coating machine, which can be used for glass processing of many products, such as automotive glass, computer display, mobile phone screen and other glass modules. The principle is to use a vacuum glass coating machine to produce coated glass, and the materials that can be plated according to the evaporation source used are also different.

Common evaporation sources for evaporation plating:

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1. The resistance heating type evaporation source is simple, economical, stable and reliable, and is generally used. The heating of the resistor in the vacuum chamber melts or vaporizes the coating material, and the coating material molecules are deposited on the glass through a series of processes. High adhesion smooth film layer, the evaporation source has the following characteristics: high melting point; stable chemical properties; low saturated vapor pressure.

Second, the electron gun heating evaporation source has a higher energy density than the resistance heating, can evaporate a lot of resistance heating materials that cannot be evaporated, and can obtain a higher evaporation rate, but the structure is more complicated and the price is relatively higher than the resistance evaporation source. expensive.

A special glass coating machine for crystal glass, which adopts cathodic arc, equipped with bias power source or uses ion source, can provide higher bearing capacity and reduce production cost, and is coated with gold titanium nitride, wear-resistant film, and colorful oxidation. Titanium, super hard film, metal decorative film, black titanium carbide, diamond film, etc.