Laser Marking – Informative Overview

Feature / ParameterDescription
Process NameLaser Marking
Technology TypeNon-contact Laser Surface Marking Technology
Working PrincipleA high-intensity laser beam alters the surface layer of the material through heat, oxidation, or color change to create permanent marks.
Marking MethodsAnnealing, Engraving, Etching, Foaming, Carbonization, and Color Change Marking (depending on material).
Material CompatibilityMetals (Steel, Aluminum, Copper, Brass), Plastics, Ceramics, Glass, and Coated or Painted Surfaces.
Laser Types UsedFiber Laser, CO₂ Laser, UV Laser, Green Laser.
Marking DepthUp to 0.5 mm (varies by material and laser power).
Precision & AccuracyHigh precision up to ±0.001 mm, suitable for micro text, barcodes, and intricate logos.
Key AdvantagesPermanent and non-contact marking, no consumables, minimal maintenance, eco-friendly, high contrast, and resistant to wear or corrosion.
ApplicationsAutomotive parts, medical instruments, aerospace components, electronic devices, packaging, and jewelry branding.
Software CompatibilitySupports CAD/CAM, CorelDRAW, AutoCAD, and vector-based design software.
Operational BenefitsFast marking speed, high consistency, low operational cost, and ability to mark curved or irregular surfaces.

Laser Marking

is a high-precision, non-contact process used to create permanent markings such as logos, barcodes, serial numbers, QR codes, and text on a wide variety of materials. Unlike traditional printing or labeling methods, laser marking uses a focused beam of light to alter the surface properties of a material without using inks, solvents, or physical tools—resulting in highly durable, accurate, and maintenance-free marks.

The process works by directing a laser

beam onto the surface, where the concentrated energy causes localized heating, oxidation, or carbonization, depending on the material. This changes the appearance or texture of the surface, producing crisp and legible marks with high contrast. Advanced systems allow for precise control over depth, color, and pattern, enabling both functional and decorative applications.

Laser marking

is compatible with numerous materials including metals (stainless steel, aluminum, brass), plastics, ceramics, glass, and coated surfaces. It is widely used across industries such as automotive, electronics, medical devices, aerospace, tools, packaging, and jewelry for part identification, traceability, and branding.

The advantages of laser marking

include no consumables, minimal maintenance, zero contact with the workpiece, and exceptional durability—ensuring that the markings remain intact even under harsh environmental conditions such as heat, abrasion, and corrosion.

Modern laser marking technologies, including fiber, CO₂, UV, and green lasers, allow for specific wavelength selection to match different materials and applications, ensuring optimum efficiency and marking quality.

In essence, Laser Marking is the ideal solution for industries demanding precision, permanence, and performance, offering an eco-friendly and cost-effective alternative to traditional marking methods.