What laser light source is used for n95 mask laser marking   For N95 mask laser marking, a cold light source of ultraviolet laser is required   High-precision UV laser marking mask packaging RFH Technology Epidemic Prevention: High-precision UV lasers are used to mark the outer packaging of masks with high speed, high precision and high stability.   This is a critical period for epidemic prevention. Less contact, frequent hand washing, and wearing masks are still indispensable for epidemic prevention. However, there is a huge demand for N95 masks and other protective products, and a hard-to-find dilemma has emerged across the country and the world. What is even more sad is that some illegal traders took advantage of the virtual reality to produce and sell fake masks.