Ruifang Fang

Title: Ruifang Fang: Innovator in Lithography Illumination Systems

Introduction

Ruifang Fang is a prominent inventor based in Shanghai, China. He has made significant contributions to the field of lithography illumination systems. With a total of 2 patents, his work has advanced the technology used in lithographic projection exposure apparatus.

Latest Patents

Fang's latest patents include an "Illumination system for lithographic projection exposure step-and-scan apparatus." This invention comprises a light source, a pupil shaping unit, a field defining unit, and several lens and slit arrays, all arranged sequentially along the light beam propagation direction. The system reduces the requirements on lens processing, slit scanning speed, and slit scanning precision, making it easier to implement. Another notable patent is the "Lithography illumination system," which features a laser light source, a collimating and expanding unit, and various lens and scanning components that control the motion of the micro scanning slit array.

Career Highlights

Ruifang Fang is affiliated with the Chinese Academy of Sciences, where he has been instrumental in research and development related to lithography technologies. His innovative work has positioned him as a key figure in this specialized field.

Collaborations

Fang has collaborated with notable colleagues, including Aijun Zeng and Huijie Huang. Their combined expertise has contributed to the advancement of lithography systems.

Conclusion

Ruifang Fang's contributions to lithography illumination systems demonstrate his innovative spirit and technical expertise. His patents reflect a commitment to improving the efficiency and effectiveness of lithographic technologies.