Tungsten metalizing filaments are the industry standard for thin film depositions for a wide variety of materials. Testbourne offers an extensive selection of tungsten filaments to fit most applications as well as custom fabrication to meet your specific process needs. The benefits of using tungsten metalizing filaments for your evaporation process include low cost, long life, high rates with low power, repeatability and ease of use. Custom fabrication is available upon request. Images shown are for reference only.