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Laser surface treatment
Lasers for surface treatment, e.g., antimicrobial, anti-reflection, anti-friction/anti-adhesion, de-icing, bird-safe, and self-cleaning.
Laser surface treatment (e.g., antimicrobial, antireflection, anti-friction/lubrication/anti-adhesion, de-icing, self-cleaning, black marking) is suitable for various metals, plastics, ceramics & composite materials.
New function developed for flat glass: reduces bird collisions with glass
A new laser-based surface structuring technology aims to effectively reduce bird collisions with glass . Inspired by natural structures, it creates fine patterns, barely visible to the human eye, which are recognized by birds. The method is scalable, contact-free, and chemical-free, and can be integrated into industrial glass processing. It combines functional bird protection with architectural aesthetics.
%20Pflanzen% 20V %20V% %C3% %B6geln% 20help %20 %20% %20So% 20do %20Sie% 20glass panes %20vogelsicher% 20tips %20gegen% 20birdstrike %20an% % 20glass %20% 20on %20Aufprall% 20against %20kann% %20eine% 20window pane %20can% 20f %C3% C3% BCr %20V% C3 %B6gel% 20t %C3% B6dlich%20end, %20denn% 20f %C3% BCr %20sie% 20is %20Glas% 20invisible. %20Deutschland% alone, approximately %C3% %20jedes% %20etwa% year %20an% a %20Dabei% %C3% %C3% %20Allein% It would %20Millionen% so easy to avoid %20eines% %C3% these %20zu% .">How to make glass panes bird %20Folgen% safe - tips against bird collisions with glass (NABU): "An impact against a window pane can be fatal for birds, because glass is invisible to them. In Germany alone %20diese% around 100 million birds die %20es% year as a result of such a collision. Yet it would be so easy to avoid these accidents."
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Laser-based surface finishing: Reduce electrical resistance, increase thermal conductivity, integrate self-cleaning
An innovative laser process for surface structuring enables the production of functionalized micro- and nanostructures on a wide variety of materials. These structures impart specific physical or chemical properties to the surfaces – entirely without additional coatings or chemical additives.
New surface properties:
Water-repellent : Targeted structuring creates a lotus effect that makes water bead up and roll off – ideal for glass, textiles or outdoor surfaces.
Self-cleaning : Dirt adheres less strongly and can be removed by rain or air currents. On treated aluminum surfaces, 90% of contaminants could be removed with just three drops of water.
Antibacterial : Microstructures make it difficult for microorganisms to adhere and multiply – useful for medical devices and hygiene applications.
Low friction : Surfaces with reduced sliding or flow friction help to save energy, for example in mechanical components or fluid systems.
Anti-reflective and anti-fog : Optical surfaces benefit from higher transparency and lower susceptibility to moisture, e.g. in sensors or displays.
Improved contact : The surface finish reduces electrical resistance by up to 80%. At the same time, the force required to connect connectors is reduced by approximately 40%.
Improved heat transfer : By specifically increasing the surface area by 280%, the thermal conductivity could be increased by 24% – an advantage in applications with high thermal stress.
- Bird protection through visible microstructuring : Specially structured glass surfaces make large glass areas visible to birds without significantly impairing the view for humans. This effectively prevents collisions – an important contribution to species conservation in buildings.
- De-icing : Micro- and nanostructures on glass or metal surfaces enable the controlled drainage of meltwater and prevent ice from adhering. This reduces the energy required for active de-icing and increases safety, for example, in aircraft, vehicles, sensors, or outdoor installations.
Typical applications of laser technology:
Automotive engineering : Protection and optimization of sensors, electrical contacts and body components.
Medical technology : Improving biocompatibility and hygiene in implants and instruments.
Energy technology : Higher efficiencies in heat exchangers, solar panels and turbine components.
Packaging, consumer goods, mechanical engineering : Functional effects without additional materials or coatings.
- Flat glass industry, architecture and construction: Use of self-cleaning and bird-safe glass on facades and large window surfaces.
Technological advantages:
Environmentally friendly : No use of chemicals or coatings is necessary.
Highly precise and scalable : The structuring is controlled, repeatable and suitable for industrial mass production.
Sustainable and cost-efficient : Longer product lifespan, improved functionality and resource savings through direct functionalization of the surface.
This laser technology for surface finishing opens up new possibilities for more powerful, longer-lasting and more sustainable products in a wide variety of industries.
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