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Diameter 0.55mm 0.65mm 0.8mm Tungsten Wire Mosquito Coil Type For Electron Gun
1. Information Of Tungsten Wire Mosquito Coil Type For Electron Gun:
Electron gun is a device that accelerates the luminescence of electrons bombarding the target screen. It is a device that generates high-energy electron beams by heating tungsten wire. Using tungsten wire as the filament of the electron gun can have better burst resistance and good corrosion resistance. . Now it is mainly used in vacuum coating and emission tube filament cathode. In addition, the electron gun filament is also widely used in various mechanical equipment. If the user can use the electron gun filament correctly, its service life will be greatly improved.
2. Type Of Tungsten Wire Mosquito Coil Type For Electron Gun:
The electron gun filament is mainly composed of filament, cathode and grid. Mainly divided into: mosquito coil type, U type
| Type | Size |
| Mosquito-repellent incense type: The shape of electron gun filament is similar to that of mosquito-repellent incense, so it is named as mosquito-repellent incense-type electron gun filament. The mosquito-repellent incense filament is divided into the following specifications. | 0.55mm |
| 0.65mm | |
| 0.8mm | |
| U-shaped: U-shaped electron gun filament is similar in shape to the letter U. | 0.8mm |
According to different heating methods, the tungsten wire of the electron gun can be divided into direct heating type and indirect heating type.
Direct heating type tungsten wire.
Directly heated tungsten wires are directly heated to generate high-energy electron beams. This kind of tungsten wire can heat up quickly and respond quickly, but due to the extremely high temperature at the moment of heating, the life of the tungsten wire is short.
Indirect heating tungsten wire
The indirect heating tungsten wire is to place the tungsten wire in a ceramic or metal cylinder, and the cylinder is heated by a heater to heat the tungsten wire. This tungsten wire responds slower, but has a longer life.
Electric power is the most important parameter, which determines the heating capacity of the electron gun. Generally speaking, the electric power of the tungsten wire of the electron gun is between 10~50W.
3. Effect Of Tungsten Wire Mosquito Coil Type For Electron Gun:
The tungsten wire of the electron gun is one of the core components of the electron gun, and its main function is to generate high-energy electron beams by heating. This electron beam can be used in television picture tubes, electron beam welding, plasma spraying and other fields. In addition, the tungsten wire of the electron gun can also be used in the cathode ray generator in the electron microscope to generate high-energy electron beams to irradiate the sample, so as to observe the shape and structure of the sample.
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