Company Filing History:
5 out of 3,101 
1 out of 41 Years Active: 2013-2025
Title: Innovations and Contributions of Inventor Yuehui Yu
Introduction
Yuehui Yu is a prominent inventor based in Shanghai, China. He has made significant contributions to the field of semiconductor technology, particularly in the development of advanced materials and methods for improving the performance of electronic devices. With a total of 6 patents to his name, his work has garnered attention in both academic and industrial circles.
Latest Patents
One of his latest patents is titled "Method for determining types of defects in monocrystalline silicon wafer." This invention provides a method for accurately determining the type of defects in a monocrystalline silicon wafer. The process involves using LST to measure particles in an as-grown silicon wafer, obtaining a first measurement, and determining a V-rich region based on this measurement. Following a thermal treatment, a second measurement is taken to identify various regions of interest, including Pv, I-rich, and Pi regions. This method enhances the efficiency and accuracy of defect detection in silicon wafers.
Another notable patent is for a "Fluorinated graphene passivated AlGaN/GaN-based HEMT device and manufacturing method." This invention involves the use of monolayer graphene treated with fluoride ions to replace conventional nitride passivation layers in AlGaN/GaN HEMT devices. The resulting structure offers advantages such as a reduced physical thickness and lower additional threshold voltage, making it a promising solution in microelectronics and solid-state electronics.
Career Highlights
Yuehui Yu has worked with esteemed organizations, including the Chinese Academy of Sciences and Zing Semiconductor Corporation. His experience in these institutions has allowed him to collaborate on cutting-edge research and development projects, further advancing the field of semiconductor technology.
Collaborations
Throughout his career, Yuehui Yu has collaborated with notable colleagues, including Xinhong Cheng and Zhongjian Wang. These partnerships have contributed to the successful development of innovative technologies and patents.
Conclusion
Yuehui Yu's contributions to the field of semiconductor technology are significant and impactful. His innovative patents and collaborations highlight his dedication to advancing electronic device performance. His work continues to influence the industry and inspire future innovations.