Laser coding is a process of creating permanent markings on a product or packaging surface using a high-energy laser beam. This method does not require consumables such as ink, solvents, or labels, and creates visible markings by making microscopic changes directly on the surface. As a result, the coded information (e.g., date, batch number, serial number, barcode, QR code, logo, or product information) is indelible, fade-resistant, and remains clear for many years.

How Does Laser Coding Work?

Laser coding systems leave a mark by heating or vaporizing a surface using a high-intensity laser beam focused on a specific surface. The coding method may vary depending on the type of system:

1. CO₂ Laser Coding

Effective on glass, plastic, paper, wood, leather and textile surfaces. It is the most frequently used system in the packaging, beverage and food industries.

✔ High speed,

✔ Low maintenance requirement,

✔ Provides clear contrast printing.

2. Fiber Laser Coding

Used on metal, aluminum, steel, copper and some hard plastics.

✔ Durable marking thanks to its deep engraving feature,

✔ Ideal for electronic, automotive and machine parts.

3. UV Laser Coding

Used on heat-sensitive surfaces (e.g., medical products, pharmaceutical packaging, or thin plastics).

✔ Provides contactless and precise coding,

✔ High-resolution marking is achieved without damaging the surface structure.

The Role of Laser Coding in Industry

Laser coding plays a key role in the digitalization of industrial production. Reasons for its rapid replacement of traditional inkjet printers include:

• Consumable-free operation (low operating costs)
• 
  Error-free and clean production
  High-speed,
• uninterrupted production
• Environmentally friendly technology

Ease of maintenance
Permanent traceability

Therefore, today, laser coding is the standard in sectors such as food, beverage, pharmaceuticals, cosmetics, automotive, electronics, and packaging.

Teknosin Kodlama: Turkey's Industrial Coding Expert

With over 25 years of experience, Teknosin Kodlama Systems is a pioneer in industrial coding, marking, and labeling in Turkey.

Teknosin Kodlama expertise is based on laser coding, inkjet coding, thermal transfer printing (TTO), and labeling systems. Teknosin is not only a brand that sells devices but also a solution partner in production line integration, maintenance, service, and training.