MoSong Cheng

Title: MoSong Cheng: Innovator in Resist Technology

Introduction

MoSong Cheng is a prominent inventor based in Berkeley, California. He has made significant contributions to the field of resist technology, particularly in enhancing the sensitivity and resolution of photoresists used in semiconductor manufacturing. His innovative approach has the potential to improve the efficiency and effectiveness of various applications in the industry.

Latest Patents

MoSong Cheng holds a patent titled "Method and apparatus for enhancing resist sensitivity and resolution by application of an alternating electric field during post-exposure bake." This patent describes a method for enhancing resist sensitivity and resolution by influencing the effects of photoacid drift and diffusion through the application of an externally applied electric field. The method allows for a reduction in post-exposure bake time by approximately 30%, while simultaneously improving the sharpness of 2D corners and increasing the verticality of resist sidewalls. The technology also enhances tolerance to over-exposure and provides better critical dimension control, with an estimated reduction in lateral acid diffusion length by about 50%.

Career Highlights

MoSong Cheng is affiliated with the University of California, where he conducts research and development in the field of semiconductor technology. His work has garnered attention for its innovative approach to improving resist performance, which is crucial for the advancement of microfabrication techniques.

Collaborations

One of his notable collaborators is Andrew R Neureuther, with whom he has worked on various projects related to resist technology and semiconductor manufacturing.

Conclusion

MoSong Cheng's contributions to resist technology exemplify the importance of innovation in the semiconductor industry. His patented methods have the potential to significantly enhance manufacturing processes, leading to improved performance and efficiency in the field.