Electron Beam Tungsten Filaments

Electron Beam Tungsten Filaments

High-quality tungsten filament. For electron beam sources, we manufacture filaments for all popular electron beam systems, and can also provide OEM custom tungsten filaments, a variety of specifications are available, please contact us for details.

Application: Electron Beam Cathode (E-Beam Gun)

Materials: Pure tungsten (W), Tungsten rhenium (WRe)

Wire Diameter: φ0.55, φ0.8

MOQ: One box (10 pieces)

E-Beam Tungsten Filaments

The electron beam tungsten filament is made of high-quality tungsten wire, which has the characteristics of good thermal conductivity, high melting point, good corrosion resistance and long service life. We manufacture tungsten filaments for all popular e-beam systems and also provide OEM custom tungsten filaments(JEOL, Leybold, Telemark, Temescal, Thermionic, etc.).

E-Beam Filaments Information

Electron Beam / Electron Gun

An electron gun is a device that generates, accelerates and converges high-energy-density electron beams. It emits electron beams with a certain energy, certain beam current, speed and angle, also known as electron beam.

In the electron gun, the filament, usually a tungsten wire, generates a large number of hot electrons on the surface after being energized and heated. Under the action of the high-voltage electric field between the anode and the cathode, the hot electrons accelerate to move toward the anode at high speed and obtain high kinetic energy. The specific speed value depends on the level of the accelerating voltage, which generally can reach about two-thirds of the speed of light. The electron beam can be focused under the action of the focusing coil, and the electron beam can be deflected under the action of the steering coil, also known as the deflection coil, to scan within a certain range. The operating voltage of the electron gun is usually between tens and hundreds of kilovolts. To prevent high voltage breakdown, beam scattering and energy loss, the vacuum degree of the electron gun must be kept above 6.67x10^-2 Pa.

Size and Shape

Electrons go through bundles. Has high energy density. It uses the electrons generated by the cathode of the electron gun to be accelerated to a very high speed (0.3-0.7 times the speed of light) under the action of a high-voltage (25-300kV) accelerating electric field between the cathode and anode. After being converged by the lens, it forms a dense high-speed electron flow.

We manufacture tungsten and some OEM filaments for popular electron beam systems, including:

• JEOL  • Leybold  • Telemark  • Temescal  • Thermionic  • etc.

We support customization of more specifications and shapes, please contact us if necessary.

The packaging is usually one box (10 pieces), which is also the minimum MOQ.

We provide evaporation sources and evaporation materials for PVD coating & Optical coating, these products include:

Don't have the product you need? Please contact us, we will solve it for you.

Payment & Shipping

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Baoji Sophia Metal Co Ltd s located in Baoji City Northwest China's Shaanxi Province is a professional engaged in Tungsten Molybdenum Tantalum Niobium Titanium products and other non-ferrous metal products which has over 9 series including more than 1000 kinds of products currently design development manufacturing sales and service enterprises quality first customer first mutual benefit is our company's purpose Sophia Metal is located in Baoji high-tech Development Zone covers an area of more than 30 acres and more than 100 workers Sophia Metal is a high-tech enterprise in Shaanxi Province, with self-operated import and export rights Sophia Metal has modern plant equipment and advanced testing means with a set of scientific and strict management system, production technology and operating procedures. From product design, development and production to sales and service, all aspects of the product are strictly to ensure that the product meets the requirements of ISO9001:2015 international quality system Sophia Metal has professional experience in producing Tungsten Molybdenum Tantalum Niobium Titanium and other metal ingots, tubes, plates and foil crucibles, and has a group of high-quality comprehensive technical personnel who have been engaged in professional design, development, production and management, marketing and after-sales service for many years in the industry.

Sophia Metal has more advanced professional production complete sets of equipment and testing equipment mainly from Germany, the United States, South Korea, Japan, China and other well-known production equipment All kinds of products are widely used in aerospace aviation, chemical industry chemical fiber electronics electric light source, rare earth metallurgy, environmental protection and machinery manufacturing and other fields. The company has a sound quality management system to ensure that product quality meets customer requirements. In the past 10 years the company's products have been all over the country and exported to more than 60 countries in Asia, Europe and the United States, and its excellent quality, preferential prices and excellent service have been recognized by the majority of users

As a global excellent Non-ferrous metal product manufacturer , Sophia Metal has gained ISO9001 quality management system certification and management in strict accordance with requirements of production. Our products are completely in conformity with the standard of ASTM ASME AMS JIS DIN MIL Etc Sophia Metal being more familiar with the status of industry and material research orientation We are not only able to provide customer required materials but also recommend customer suitable materials simultaneously we are able to offer products more than 10000kg, but also can provide 1kg products Therefore, Sophia Metal is a powerful cooperative partner within international cooperation and procurement plan

At Sophia Metal there are scientific management system advanced manufacturing technique and equipment, thorough product detection equipment, effective professional team, abundant specialized knowledge a serious and good work ethic. Those could guarantee you could get high-quality products, competitive price fast delivery and professional technical consult. Furthermore, we are committed to establish long-term relations of cooperation, mutual improvement for achieving win-win situation in a highly competitive international environment.

Ms Sophia Guo
CEO & Founder 
BaoJi Sophia Metal Co Ltd 
BaoTai Road GaoXin District Baoji City Shaanxi Province China
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