What Are the Applications of Tungsten Wire in Electronic Technology?

Tungsten wire is widely used in the field of electronic technology, mainly due to its high melting point, good conductivity and stable performance. Here are some common applications of tungsten wire in electronics:

Electron tubes and vacuum tubes: Tungsten wire is often used as the hot cathode of electron tubes and vacuum tubes. The tungsten wire in the electron tube is heated and emits electrons, thereby starting the operation of the electron tube. This application is common in amplifiers, radios, televisions, and communications equipment.

Electron beam equipment: Electron beam equipment (such as electron beam welders, electron beam cutting machines, electron beam melting 3D printers, etc.) uses tungsten wire as the hot cathode of the electron gun to produce high-energy electron beams for precise welding, cutting, or melting Metal.

Electron Microscopy: Scanning electron microscopes (SEM) and transmission electron microscopes (TEM) use tungsten wire as the hot cathode of an electron gun to produce a high-energy electron beam for imaging the surface and internal structure of a sample.

Electron beam lithography machine: Electron beam lithography machine is one of the key equipment for manufacturing microelectronic chips. Tungsten wires are used as hot cathodes in electron guns in electron beam lithography machines to accurately write tiny patterns.

Electron Beam Sputtering: Electron beam sputtering is a thin film deposition technology that can be used to prepare conductive, optical and other functional thin films. A tungsten wire is used as an electron beam source to produce an electron beam that vaporizes the material.

Anti-static equipment: Tungsten wire is used to manufacture anti-static equipment, such as static eliminators and ion blowers, to prevent static electricity from damaging electronic components.

High temperature sensors: Due to their high melting point and stability, tungsten wires are often used as materials for high temperature sensors, such as thermocouples and thermal resistors.

Electronic component testing: In electronic component testing equipment, tungsten wire is used to make probes and test pins to measure the performance of circuits.

Satellite and space applications: In satellites and space probes, tungsten wire is commonly used in a variety of electronic components and connectors due to its radiation resistance and high temperature properties.