Sustainable, precise and ultra-short 1000 laser beams in parallel swing
20.08.2024 Source: Press release 2 min reading time
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Pulsar Photonics GmbH is developing laser microprocessing further: a system with an ultrashort pulse laser is currently being built that can structure areas of more than ten square meters precisely and sustainably. In the future, the scaling concept will allow the processing of surfaces ten times larger with thousands of laser beams.
Bridge technology: The modular RDX2800 gantry system with multiple workstations enables ultra-precise laser micromachining of flat components measuring up to 2.5 × 1.5 meters.
(Bild: Pulsar Photonics GmbH)
“We are not the only ones who carry out large-area laser micromachining,” explains Dr. Joachim Ryll, Managing Director of Pulsar Photonics. “But our approach is unique. Our goal is to structure surfaces in parallel and individually on a single large system.”
This is particularly relevant as the demand for surface structuring without chemical substances is increasing. The reasons for this are increasing environmental restrictions and regulations that limit the use of chemicals. The ultrashort pulse laser (USP laser) offers a sustainable alternative. Up to now, USP lasers have mainly been used for small-area applications, but there are already solutions that can effectively process areas in the square meter range for flat glass, film substrates and embossing rollers.
Up to five workstations in parallel operation
The Aachen-based company relies on a special kind of bridging technology for its RDX2800 gantry system: Its machine modules are based on a modular system. Each module can precisely process flat components of up to 2.5 × 1.5 meters using USP lasers. Pulsar has several modules in a row and can therefore process larger components that are significantly larger than 10 square meters. According to the manufacturer, several workstations within a machine module enable both individualized single-beam and multi-beam processing. A total of more than a thousand laser beams can be used simultaneously.
In the EU infrastructure project Next-Gen-Bat, the company has already shown how the productivity of laser micro-machining can be significantly increased. They developed a roll-to-roll system that dries and structures electrodes for lithium-ion cells. The “multi-beam multi-scanner” optics divide the laser power into several partial beams in order to work more efficiently. The company is now taking the first step towards the modular system with a pilot customer. “The industrial implementation on a large scale is the special attraction,” explains Ryll. A system is planned for the pilot customer in which several linked workstations precisely roughen and structure the surface of flat components measuring more than ten square meters using USP lasers and multi-beam technology with several partial beams.
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