Diffused barium tungsten cathode has many advantages, which make it widely used in various vacuum electronic devices. The following are its main advantages:
High emission current density
Diffused barium tungsten cathode can provide high emission current density, which is crucial for applications that require electron beams with high energy density. High emission current density means that the cathode can produce more electrons, thus meeting the device’s demand for electron sources.
Good emission stability
The emission performance of diffused barium tungsten cathode has good stability. Once the cathode is activated and reaches a stable working state, it can continue to provide stable electron emission, ensuring long-term stable operation of the device.
Emitted electron uniformity
The cathode can produce a uniformly distributed electron beam, which is very important for applications that require precise control of electron beam distribution. Uniform electron beam distribution helps improve device performance and precision.
Long life
By optimizing the preparation process and material ratio, the diffused barium tungsten cathode can have a long service life. This makes it unnecessary to frequently replace the cathode during long-term operation of the device, reducing maintenance costs and downtime.
Strong adaptability
Diffused barium tungsten cathode can be customized and optimized according to specific application requirements. By adjusting the cathode preparation process, material ratio and working parameters, it can be adapted to different working environments and performance requirements.
Environmental protection
Compared with some other types of cathode materials, the diffused barium tungsten cathode produces less pollution during preparation and use. This helps to reduce the impact on the environment and is in line with the current green and environmentally friendly development trend.
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