Using a 355nm short wavelength laser (third-order intracavity frequency doubling technology) to ensure high peak power and cold processing characteristics, avoiding thermal damage. Regularly monitor the energy fluctuations of the laser output (with an error of<3%), and maintain temperature stability with an air/water cooling system.
Advantages in non-metallic materials: Priority should be given to plastics, glass, silicon wafers, and other materials with high UV absorption rates to ensure efficient breaking of molecular bonds and an increase in label contrast by over 30%.
Durability of marking effect: Verify the permanent marking through friction and corrosion tests to ensure compliance requirements such as FDA certification for medical devices.
1. Small spot size: UV lasers feature an extremely small focused spot, enabling fine processing at the micron level and making them suitable for high-precision marking requirements
2. No heat-affected zone: UV laser removes material through photochemical stripping, generating almost no thermal effect, thus avoiding material charring or deformation and ensuring processing quality
3. High absorption rate: Most materials have a high absorption rate for 355nm ultraviolet light, making them suitable for processing various materials such as plastics, metals, ceramics, and glass
4. Special material processing capability: Particularly suitable for heat-sensitive materials such as copper, lead frames, printed circuit boards, etc., capable of achieving highly recognizable marking
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E-mail: doria@laserdat.com
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