Speaker：Prof. Zhou Tianfeng , Beijing Institute of Technology
Invited by：Prof. Xiong Wei
Time：15:00-16:30, June 17, 2019
Venue: A101
Abstract:
The micro/nano structures belong to glass optical components and composed of large quantity of three-dimensional structure arrays or lens arrays with cell feature size of several hundreds of nanometers to several tens of micrometers, thus have special geometric optical characteristics and mainly used for high precision three-dimensional positioning and high-definition three-dimensional imaging. This report focuses on the high-efficiency precision glass molding technology of optical micro/nano structures with the manufacturing goals of minimal cell feature size, extremely large area, highest precision and complex shape. The new mold materials fabrication, ultra-precision micro/nano cutting and precision press forming are the technical means to achieve these goals. Thus in this report, the fabrication methods of mold materials, ultra-precision manufacturing of micro/nano mold by cutting, on-machine measurement technology, glass molding technology and the corresponding characterization evaluation methods would be introduced in detail. Through theoretical and technological innovations, the high-efficiency, ultra-precision and cross-scale manufacturing of large-area and high-quantity-density glass optical micro/nano structures could be realized.
Biography：
Zhou Tianfeng，professor of Beijing Institute of Technology，serves as deputy director of Department of Manufacturing Engineering as well as deputy director of Advanced Machining Technology Lab of Key Defense Subjects. He is a chief scientist of ‘973 program’. His research mainly focus on mold materials fabrication, mold manufacturing, glass molding process, micro/nano manufacturing, etc. He hosted a series of important projects including National Basic Research Program of China, National Security Basic Research Program of China, National Natural Science Foundation of China, Beijing Natural Science Foundation of China, etc. He has published over 90 journal papers with over 50 SCI papers and applied for more than 40 invention patents (over 10 authorized patents). He was awarded the Fok Ying-Tong Education Foundation in 2016 and received the ‘Young Researcher Award’ at the China-Japan International Conference on Ultra-Precision Machining in 2018.
