Qiliang Ma

Title: Qiliang Ma: Innovator in Overlay Precision Detection

Introduction

Qiliang Ma is a prominent inventor based in Shanghai, China. He has made significant contributions to the field of semiconductor manufacturing, particularly in the area of overlay precision detection. His innovative methods have the potential to enhance the accuracy and efficiency of semiconductor production processes.

Latest Patents

Qiliang Ma holds a patent titled "Method for detecting overlay precision and method for compensating overlay deviation." This patent describes a comprehensive approach to detecting overlay precision in photoresist layers on wafers. The method involves performing two distinct detections using optical overlay precision measurement techniques, allowing for the acquisition of detailed overlay precision information. This innovation is crucial for improving the quality and reliability of semiconductor devices.

Career Highlights

Throughout his career, Qiliang Ma has worked with leading companies in the semiconductor industry. He has been associated with Semiconductor Manufacturing International Corporation in both Shanghai and Beijing. His experience in these organizations has equipped him with valuable insights into the challenges and advancements in semiconductor technology.

Collaborations

Qiliang Ma has collaborated with notable professionals in his field, including Song Bai and Tao Song. These collaborations have fostered a productive exchange of ideas and have contributed to the advancement of semiconductor manufacturing techniques.

Conclusion

Qiliang Ma's contributions to the field of overlay precision detection exemplify the importance of innovation in semiconductor manufacturing. His patented methods are set to play a vital role in enhancing the accuracy of production processes, ultimately benefiting the technology industry as a whole.