Company Filing History:
2 out of 9 
1 out of 9 Years Active: 2022-2025
Title: Yulin Lin: Innovator in Grain Boundary Diffusion Technology
Introduction
Yulin Lin is a notable inventor based in Fujian, China, recognized for his contributions to the field of material science, particularly in grain boundary diffusion technology. With a total of two patents to his name, Lin has developed innovative methods and devices that enhance production efficiency and product consistency in the manufacturing of rare earth magnets.
Latest Patents
Lin's latest patents include a device and method for continuously performing grain boundary diffusion and heat treatment. This invention features a unique arrangement of processing chambers that significantly increases cooling rates and production efficiency. The device includes a grain boundary diffusion chamber, a first cooling chamber, a heat treatment chamber, and a second cooling chamber, all interconnected by a transfer system. The cooling chambers utilize an air cooling system, ensuring optimal temperature differentials for effective processing.
Another significant patent is the grain boundary diffusion method for R-Fe-B series rare earth sintered magnets. This method involves forming a dry layer on a high-temperature-resistant carrier, which is then treated with a heavy rare earth element (HRE) diffusion source. The process not only reduces the consumption of heavy rare earth elements but also controls the loss of residual magnetism while increasing coercivity.
Career Highlights
Throughout his career, Yulin Lin has worked with prominent companies such as Fujian Changting Golden Dragon Rare-earth Co., Ltd. and Xiamen Tungsten Co., Ltd. His experience in these organizations has contributed to his expertise in the field and has facilitated the development of his innovative patents.
Collaborations
Lin has collaborated with notable professionals in his field, including Zongbo Liao and Hiroshi Nagata. These partnerships have likely enriched his research and development efforts, leading to advancements in grain boundary diffusion technology.
Conclusion
Yulin Lin's innovative work in grain boundary diffusion technology has made a significant impact on the manufacturing of rare earth magnets. His patents reflect a commitment to enhancing production processes and improving product quality. Lin's contributions continue to influence the field of material science and engineering.