Meaning
Permanent identification technology uses focused light beams to alter the surface properties of materials for traceability. Laser surface marking creates high contrast logos, serial numbers or machine readable codes without the use of inks or mechanical contact. The process works on metals, plastics and ceramics used in industrial and consumer products.
Marking Process
Precise control of the beam intensity and speed allows for different effects such as annealing, carbonization or etching. The marking process happens quickly and can be integrated into automated production lines for high throughput. This method is preferred for medical devices because it does not create deep grooves where bacteria can grow.
Traceability Requirement
Global supply chains depend on the ability to track an individual component from the factory to the end user. Meeting a traceability requirement often involves marking each part with a unique identifier that survives the entire lifecycle of the product. These marks must be resistant to heat, chemicals and abrasion to ensure they remain legible in harsh environments.
Surface Alteration
Changing the color or texture of the top layer of the material provides the visual contrast needed for scanners to read the code. Surface alteration must be carefully managed to avoid damaging the structural integrity of thin or delicate parts. This balance ensures that the part remains functional while carrying its necessary identification.
