UV laser marking machine

In the field of modern precision machining, traditional laser marking machines use laser heat treatment technology, which limits the development of refinement. Against this backdrop, ultraviolet laser marking machines have become the darling of the new era. It uses a cold processing technology, a process known as the "photolithography" effect. "Cold processing" uses high-energy photons (ultraviolet rays) with charges that can break chemical bonds in the material or surrounding medium without heating the material. The process is non-destructive, and the inner and adjacent areas do not experience heating or thermal deformation, resulting in a final product with smooth edges and minimal carbonization, minimizing refinement and thermal effects. This is a major highlight of laser technology.

The working principle of ultraviolet laser marking machines is based on photochemical ablation, which relies on laser energy to break bonds between atoms or molecules, causing them to vaporize and evaporate into small molecules. The focused spot size is extremely small, and the heat-affected zone is minimal, making it suitable for ultra-fine marking and marking of special materials. Applications: With the rapid development of laser equipment and the increase in the power of ultraviolet laser marking machines, they are now used in high-end markets, such as ultra-fine processing of the surfaces of packaging bottles for high-polymer materials like iPhones, cosmetics, pharmaceuticals, and food; marking and tracking of flexible printed circuit boards; processing of micro-holes and blind holes in silicon wafers; and applications in LCD glass, glassware surfaces, metal surface coatings, plastic buttons, electronic components, gifts, communication equipment, and building materials.

Many common markings in our daily lives, such as markings, text, and patterns on metals or non-metals, BMW logos, mobile phone buttons, etc., are marked using ultraviolet laser marking machines. The principle is that the laser energy emitted by the ultraviolet laser marking machine causes the surface layer of the target material to evaporate, revealing the deeper layers, thus "engraving" the required patterns and text. Simply put, it uses a laser beam to print permanent markings on the surface of various materials. Most materials can absorb ultraviolet lasers, such as consumer electronics, mobile phone parts, engraving QR codes and markings on LCD screens, ceramics, sapphire plates, and engraving ITO capacitive touch screens.

On the other hand, glass can only be marked using ultraviolet laser marking machines. Overall, ultraviolet laser marking machines have a wide range of applications.