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Laser marking of copper: seriously superior | TRUMPF

Laser marking of copper

Secure marking, engraving and labeling of copper using laser

An industrial sector without copper is unthinkable. The semi-precious metal conducts electricity and heat excellently, is easy to process and durable. But the laser marking of copper presents users with major challenges. Copper's properties make it a challenging material for lasers: it is highly reflective and absorbs very little light. However, users can still benefit from laser marking when applying serial numbers, data matrix codes and other markings to copper components.  

Copper's high reflectivity means that it absorbs little laser light. The lasers of many manufacturers are incapable of properly coupling copper components. Achieving the highest quality and durability of markings on copper requires laser power to be focused on a small area. To exceed the process threshold, laser pulses with high peak pulse power are required – as offered by TRUMPF products.

Laser marking is multifaceted

Fine and deep engraving as well as dark markings on copper are all possible using laser

Laser markings of stock

Laser-applied serial numbers, data matrix codes and logos are indestructible.

Getting the finished part faster

Component preparation such as cleaning and polishing is performed by the marking laser. This saves time.

The laser protects materials, the environment and budgets

Toxic consumables, wear and tear, high energy consumption? Not with the marking laser.

Where is laser marking on copper used?

Laser marking of copper: Suitable TRUMPF products

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