What is vacuum evaporation coating?

Vacuum evaporation coating is a kind of technology to obtain thin film by evaporating some substance on the surface of substrate material by heating evaporation source under vacuum condition. The material evaporated is called evaporation material.

Vacuum evaporation coating PVD Plating Machine Supplierssystem is generally composed of three parts: vacuum chamber, evaporation source or evaporation heating device, placing substrate and heating device for substrate. In order to evaporate the material to be deposited in vacuum, a container is needed to support or hold the evaporation, and the evaporation heat is needed to make the evaporation reach a high enough temperature to generate the required vapor pressure.

Vacuum evaporation coating technology has the characteristics of simple and convenient operation, fast film forming speed and so on.

Types of materials for evaporation and plating

Metal and nonmetal particles

Aluminum, nickel, copper, silver, titanium, silicon, vanadium, magnesium, tin, chromium, indium, silver, gold and microcrystalline silver powder.

oxide

Titanium tantalum alloy, zirconium titanium alloy, silicon aluminum alloy, aluminum oxide, zirconia, titanium pentoxide, quartz, erbium oxide, lanthanum titanate, etc

fluoride

Magnesium fluoride, dysprosium fluoride, lanthanum fluoride, etc

Process flow of vacuum coating material

Raw material powder -- ingredients -- mixture -- raw material pretreatment -- molding -- pre sintering -- Vacuum Sintering -- sorting -- vacuum packaging

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