Location History:
- Glendale, CA (US) (2001)
- Chapel Hill, NC (US) (2018 - 2024)
Company Filing History:
14 out of 23 
1 out of 832,891 Years Active: 2001-2025
Title: **Innovations and Contributions of Inventor Won Sang Lee**
Introduction
Won Sang Lee is a notable inventor based in Chapel Hill, North Carolina, with an impressive portfolio of 15 patents to his name. His focus on advancing semiconductor technologies has significantly impacted the field, particularly through his innovative work with GaN/diamond wafers.
Latest Patents
Among his latest patents, Won Sang Lee has developed a groundbreaking **Method of Forming Vias in a GaN/Diamond Wafer**. This innovation includes wafers featuring a diamond layer and a semiconductor layer comprised of III-Nitride compounds. The patented method outlines the process of forming a nucleation layer and at least one semiconductor layer on a silicon substrate, followed by the glass bonding of a silicon carrier wafer to this protection layer. The process continues with the removal of specific layers, allowing for the sequential deposition of an intermediate layer, seed layer, and diamond layer on the III-Nitride layer. Ultimately, this leads to the preparation of a silicon substrate wafer, which is then glass bonded to the first diamond layer.
Career Highlights
Win Sang Lee’s career is marked by his association with various companies, notably **RFHIC Corporation**, where he contributed to innovative projects in semiconductor technology. His work not only expands the boundaries of what is possible in wafer fabrication but also addresses crucial needs in the industry.
Collaborations
Throughout his career, Won Sang Lee has collaborated with esteemed professionals such as Masoud Rabadi and Yong S. Chu. These collaborations have fostered a productive environment, leading to advancements in semiconductor applications and wafer technologies.
Conclusion
Won Sang Lee's work exemplifies the spirit of innovation in the patent landscape. With his ongoing contributions to the semiconductor industry and a strong foundation of collaborative efforts, he continues to pave the way for future developments in wafer technology. His achievements serve as an inspiration for aspiring inventors and a testament to the continuous evolution of technological solutions.