Flash Lamp Annealing

Tempering processes are often the means of choice in thin-film technology to improve electrical or optical properties. However, conventional tempering processes are time-consuming and energy-intensive. Furthermore, they cause thermo-mechanical stress within the substrate, which can lead to defects. They also require long heating processes. In thin-film technology, these cause diffusion processes and make the use of additional barrier layers necessary. Because of all that, the manufacturing process is more complex and more expensive.

Flash lamp annealing, on the other hand, offers crucial advantages: It causes no or only minor thermo-mechanical stress within the substrate and subdues diffusion processes. Therefore, there is no need for additional barrier layers.

Flash lamp annealing improves the optical and electrical properties of coatings/surfaces. VON ARDENNE has successfully demonstrated that by using this technology for improving architectural glass coatings. Beyond that, FLA has improved the electrical properties such as the sheet resistance of products/samples significantly in industry-related bench-scale tests under industrial conditions.

Among the most promising applications for this technology are transparent conductive layers and sol-gel coatings on polymers and glass and the pre-treatment of lacquers and paints. Beyond that, FLA can be used to improve haptic and mechanical properties of polymer films and decorative layers.

We offer our partners our technology expertise in flash lamp annealing in order to develop further fields of applications with them.

Conductive layers like metals, metal pastes, metal oxides, semiconductors for
- Photovoltaics
- Displays

Anti-reflective, -corrosion and scratch resistant sol gel coatings for
- Household products
- Architecture
- Automotive industry
- Photovoltaics

Reflective and decorative layers like paints, enamels, lacquers and laminates for
- Surface finishing
- Packaging
- Automotive industry

Flash Lamp Annealing [pdf]
Technology competence