CTIA's Tungsten Heater in Metal Evaporation
CTIA’s tungsten heater is a resistive tungsten heating element used in vacuum evaporation processes to heat and deposit metal materials. It is fabricated from high-purity tungsten wire or doped tungsten wire through precision stranding, coiling, forming, and surface treatment processes. It is widely used in metal evaporation applications including electronic component metallization, electrode fabrication, optical coating, and decorative coating.
As an essential heating component in evaporation sources, tungsten heater enables metals such as aluminum, silver, copper, and molybdenum to be heated and evaporated under high vacuum, then uniformly deposited onto glass, ceramic, plastic, or metal substrates to form conductive layers, reflective coatings, and functional thin films.
Why Use Tungsten Heater for Metal Evaporation?
Metal evaporation requires high film uniformity and cleanliness, where heater stability directly affects deposition quality. CTIA’s tungsten heater meets these requirements through the following features:
(1) High temperature stability: With a melting point of about 3410°C, it supports evaporation of metals with different melting points while maintaining structural integrity under high-temperature conditions.
(2) Low contamination: Low vapor pressure under high vacuum minimizes material volatilization and reduces metal impurity contamination, improving film purity.
(3) Good wettability: Surface-treated tungsten shows good wetting behavior with metals such as aluminum and silver, enabling more uniform melt distribution and stable evaporation.
(4) Stable and controllable thermal field: Stable electrical resistivity ensures rapid heating response and uniform thermal radiation, supporting consistent film formation.
(5) Reliable structure: Optimized microstructure and doping improve stability under repeated thermal cycling, reducing maintenance frequency.
Specifications of CTIA's Tungsten Heater in Metal Evaporation
Specifications of CTIA's tungsten heater in metal evaporation are listed below:
CTIA GROUP leverages over 30 years of manufacturing experience to deliver optimized tungsten heater solutions. These comprehensive services cover material selection, structural design, and precision fabrication to meet the specific vacuum architectures and thermal field requirements of global metal evaporation production environments.
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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1.Tungsten heater quotation table
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4. Stranded tungsten wire for making tungsten heater