The high power UV laser is 355 nm wavelength, with a "cold marking" method, the laser beam diameter is only 20 μm after focusing, the UV laser's pulse energy comes in contact with the material in the microsecond. There is no significant thermal influence next to the slit, so no heat damages the electronic component.  

Which plastics can be UV laser marked? RFH marking lasers: overview of markable plastics Short-pulse lasers achieve good results with a range of marking types depending on the plastic, the laser wavelength and additives used. To achieve high legibility and marking quality, it is recommended to mix laser-sensitive additives into some industrial plastics. The properties of the plastics remain largely unaffected.

Many laser optics applications are shifting towards using shorter UV wavelengths because it allows for improved resolution and very small and precise feature generation with minimal heating to surrounding areas. Until recently, the high cost and bulky size of continuous wave (CW) UV laser sources have traditionally prevented them from being used in many situations, especially in university research. Now, a new wave of compact, cost-effective UV lasers has broken down this barrier, resulting in an expansion of UV applications ranging from micromachining, to UV Raman spectroscopy, to disinfection for the inactivation of pathogens.

What are the applications of UV lasers? When we talk about ultraviolet light we refer to a light with a wavelength shorter than that visible to humans, since violet is the last color on the scale perceived by the human eye. UV lasers are suitable for precision applications and machining such as:

An example of RFH ultraviolet laser blackening on ceramic surface, the text is clear, the color difference is obvious, and the efficiency is extremely high. Use RFH UV laser marking, which belongs to non-contact processing, which can ensure processing accuracy.

3w 5w 355 nm ultraviolet laser mark black on white plastic charger To meet the market demand, RFH newly developed S9 series UV laser in 2020. Comparing with its kinds, S9 series UV laser features with rugged sealed cavity, extremely compact size, simple and robust, high stability, high efficiency, high reliability and excellent laser beam quality.Its compact design suggests no necessity in building big light path, which greatly reduces space and cost and makes it easy to be installed into UV laser marking machines. In addition, S9 series cavity structure is more stability and more excellent scalability, which means the same laser cavity can be produces multi-power lasers , and the stability of different power ranges is greatly improved

UV ns  pulsed lasers 3w 5w 10w paint stripping phone camera To meet the market demand, RFH newly developed S9 series UV laser in 2020. Comparing with its kinds, S9 series UV laser features with rugged sealed cavity, extremely compact size, simple and robust, high stability, high efficiency, high reliability and excellent laser beam quality.Its compact design suggests no necessity in building big light path, which greatly reduces space and cost and makes it easy to be installed into UV laser marking machines. In addition, S9 series cavity structure is more stability and more excellent scalability, which means the same laser cavity can be produces multi-power lasers , and the stability of different power ranges is greatly improved

RFH 3w 5w 10w UV laser head marking plastic cap To meet the market demand, RFH newly developed S9 series UV laser in 2020. Comparing with its kinds, S9 series UV laser features with rugged sealed cavity, extremely compact size, simple and robust, high stability, high efficiency, high reliability and excellent laser beam quality.Its compact design suggests no necessity in building big light path, which greatly reduces space and cost and makes it easy to be installed into UV laser marking machines. In addition, S9 series cavity structure is more stability and more excellent scalability, which means the same laser cavity can be produces multi-power lasers , and the stability of different power ranges is greatly improved