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Use Cases
Tungsten mesh is used as a material for filtering and blocking radiation, making it relevant in the context of medical devices involving x-rays. However, this filtering property also applies to other applications, such as high-temperature environments.
Tungsten Screen Filtration
Tungsten mesh is used in high-temp applications to filter particulates. For vacuum thermal evaporation, this is placed over source material. Doing so enables pinhole free thin films for fabricating specialized coatings.
These are available with frames (part number TM-1) or without frames (TM-2) and can be customizable in length.
The Evaporator
1. Microrobots shaped and steered by metal patches could aid drug delivery and pollution cleanup
2. Technical Tip – Titanium Evaporation
3. An innovative tool coating could improve the way products—from aerospace to medical devices—are made
(Image: Nature Communications, 2025)
| University of Colorado at Boulder |
Researchers at the University of Colorado Boulder have created a new way to build and control tiny particles that can move and work like microscopic robots, offering a powerful tool with applications in biomedical and environmental research.
The team prints both the particle and its stencil together, then deposits a thin layer of metal—such as gold, platinum or cobalt—through the stencil’s openings. When the stencil is removed, a metal patch remains on the particle.
Titanium is a material known for its biocompatibility, being used often in medical devices and implants. This material’s corrosion resistance aids in these medical applications, but also enables it to be utilized for manufacturing aerospace components.
Thin film coatings of titanium can be done via thermal evaporation from a boat source. Titanium exhibits alloying with many refractory metals. To better facilitate deposition, thick tungsten boats should be considered to withstand this corrosion, such as 0.015″ thick material (.015W).
Specific evaporation boat source selection will depend on the capacity and available current from your power supply. Because titanium is a high temperature material, power reference values may be necessary. High capacities will demand more power.
(Image: SpaceX CC0)
| Qianxi He, McGill University (The Conversation) |
An innovation in tool coating could solve these machining challenges. The development of what’s known as a bi-layer AlTiN PVD coating enhances cutting-tool performance, improves wear resistance and extends the life of the tool life during ultra-high-speed machining of hard-to-machine materials.
A novel coating system was designed: a bi-layer consisting of two AlTiN layers with different ratios of aluminum and titanium. The bi-layer AlTiN coating stands out due to its unique combination of properties.
Pittsburgh, PA | Nov 8-13, 2026
David L. Lawrence Convention Center
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The right evaporation source can make your thin film coating process a success. Since 1963, we have been fabricating and recommending evaporation sources for our customers in various cutting-edge industries.
