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Evaporation type tungsten boat
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Methods of work
Its working method is to install the tungsten boat between the two electrodes first, add materials to the center of the tungsten boat, and then slowly energize the electrodes. After the current passes through the tungsten boat, the tungsten boat is energized to generate heat. These low voltages and high currents will cause the tungsten boat with high melting point to generate heat, which will then be conducted to the coating material. When the heat of the tungsten boat is higher than the melting point of the coating material, the material, the material will sublimate or evaporate.
Evaporation is the process of evaporating or sublimating the material to be deposited on the surface of the workpiece or substrate in vacuum.
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Evaporation type tungsten boat
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