Rongwang Dai

Title: Rongwang Dai: Innovator in Silicon-on-Insulator Technology

Introduction

Rongwang Dai is a prominent inventor based in Shanghai, China. He has made significant contributions to the field of semiconductor technology, particularly in the preparation of silicon-on-insulator (SOI) materials. His innovative methods have the potential to enhance the performance of electronic devices.

Latest Patents

Rongwang Dai holds a patent for a "Method for preparing silicon-on-insulator." This method involves forming a first etching stop layer, a second etching stop layer, and a device layer on a p-type monocrystalline silicon epitaxial substrate. The first etching stop layer is made of intrinsic silicon, while the second is composed of a germanium-silicon alloy. The device layer is made of silicon. The process includes oxidation, bonding, reinforcement, and grinding treatment, followed by selective etching. This innovative approach allows for the control of thickness deviation within 100 nm and optimizes the surface roughness of the final silicon-on-insulator film to less than 5 nm and less than 4 Å, respectively.

Career Highlights

Rongwang Dai is affiliated with the Chinese Academy of Sciences, where he conducts research and development in semiconductor technologies. His work has garnered attention for its practical applications in improving the quality and performance of silicon-on-insulator films.

Collaborations

Rongwang Dai collaborates with notable colleagues, including Xing Wei and Ziwen Wang. Their combined expertise contributes to advancements in semiconductor research and development.

Conclusion

Rongwang Dai's innovative methods in silicon-on-insulator technology represent a significant advancement in the field of semiconductor materials. His contributions are poised to impact the future of electronic device performance and manufacturing.