According to the Korea Electric Research Institute (KERI), a professional power research institute affiliated with the National Academy of Science and Technology of the Ministry of Science, Technology, and Information Technology of Korea, the research team of the Electrical Medical Device Research Center has developed a technology for surface treatment of titanium using femtosecond laser .
Femto second laser refers to a laser system technology. The resulting pulse has a very short time, which is equivalent to only one gigasecond, which is also a research pride of Keri Results. The pulse repetition rate and average output rate are high, and the long-term operation can ensure a stable output rate, which is expected to be applied to the industrial field of ultra-fine processing.
One of the key factors for the commercialization of femtosecond lasers is the processing speed. In order to use femtosecond lasers for fine processing, the existing technology mainly processes materials at a slow speed, but this method requires a lot of time and is industrially applied. There are also considerable difficulties.
The technology developed by KERI not only maintains the precision of femtosecond lasers, but also ensures fast processing speed. It is the best surface treatment system. The research team uses a lens with a wide field of view and a mirror surface that rotates at high speed. In combination, the femtosecond laser can also perform stable surface treatment over a wide area.
When KERI applies a femtosecond laser to the surface treatment of titanium, it can not only improve the inherent properties of titanium, but also hope to produce functional surfaces. Generally speaking, titanium is light in weight, high in strength, non-toxic, and can be applied to the human body. It has been widely used in the medical field. The femtosecond laser can be used to prepare nano-sized tissue structures on the surface of titanium, so that its surface has hydrophilic or hydrophobic properties, making it a better therapeutic material.
It is worth mentioning that this technology developed by KERI is expected to have considerable effects in the field of dental implants or in vivo medical devices. Hydrophilic titanium after femtosecond laser treatment can be prepared into dental implants with high affinity to the human body and stable fusion with human bones, thereby greatly shortening the treatment cycle of patients; in contrast, titanium after hydrophobic treatment The material can be prepared into a medical device for transplantation in vivo, which helps to reduce the foreign body reaction in the patient (the material put into the body and the body's resistive reaction).
Chief researcher Zheng Baoshu who participated in the research and development said that in order to achieve the world's leading level of femtosecond laser technology, KERI is conducting research in different basic subject applications. The use of this technology for titanium surface treatment has great potential in the field of medical devices. So much attention. Through joint research in the fields of laser, materials, optics, and processing, the advantages of femtosecond lasers are maximized, and the best surface treatment system is constructed.
At present, the technology has been transferred to a material company and is ready for commercialization. In order to achieve true rooting of the technology, the KERI research team will continue to provide technical advice and necessary support.