CTIA's Tungsten Heater in Cathode Heating
CTIA’s tungsten heater is a resistive heating component used in vacuum electronic devices and electron gun systems to heat the cathode to the temperature required for thermionic emission, enabling stable electron beam generation and output. The tungsten heating element is fabricated from high-purity tungsten wire or doped tungsten wire through precision drawing, coiling, and vacuum high-temperature setting.
Working Principle of CTIA’s Tungsten Heater
The tungsten heater generates Joule heat when current passes through it, transferring heat to the cathode and raising it to the emission temperature. At elevated temperature, the cathode releases electrons, which are accelerated by an electric field to form a directional electron beam. Thermal stability directly affects emission efficiency and beam stability.
Applications of CTIA’s Tungsten Heater
As a cathode heating component, the tungsten heater is widely utilized in the following applications:
(1) Electron gun cathode heating systems: Provides the primary thermal source for electron beam generation.
(2) Electron microscopy equipment: Used in Scanning Electron Microscopy (SEM) and Transmission Electron Microscopy (TEM) to maintain stable emission conditions.
(3) X-ray tube systems: Enables thermionic emission through cathode heating.
(4) Vacuum electron tubes and microwave devices: Supports stable electron emission control.
(5) Electron beam processing equipment: Used for beam generation and energy maintenance.
Specifications of CTIA’s Tungsten Heater
Specifications of CTIA’s tungsten heater are as follows:
CTIA GROUP specializes in tungsten heater technology with over 30 years of manufacturing experience. Systematic optimization covers wire diameter, structural geometry, heating zones, and lead configuration based on electron emission structures, cathode materials, and vacuum conditions, enabling full-cycle customization from material selection to precision manufacturing.
For any inquiry, please contact tungsten heater manufacturer: CTIA GROUP
Email: sales@chinatungsten.com
Tel: 0086 592 5129696 / 0086 592 5129595
Website: www.tungsten.com.cn
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