Dean Li

Title: Dean Li: Innovator in Semiconductor Etching Technologies

Introduction

Dean Li is a prominent inventor based in Taipei, Taiwan. He has made significant contributions to the field of semiconductor technology, particularly in the area of etching processes. With a total of three patents to his name, Li's work has advanced the efficiency and effectiveness of semiconductor manufacturing.

Latest Patents

One of Dean Li's latest patents is a method for etching silicon oxynitride and dielectric antireflection coatings. This innovative method involves plasma etching a semiconductor film stack that includes at least one layer comprising silicon oxynitride. The process utilizes an etchant gas mixture that contains chlorine and at least one compound with fluorine and carbon. The atomic ratio of fluorine to chlorine in the etchant gas is carefully controlled, ranging from about 3:1 to about 0.01:1. This method allows for the formation of a fluorine-comprising polymer that reduces the etch rate of adjacent materials while effectively etching the silicon oxynitride layer.

Career Highlights

Dean Li is currently employed at Applied Materials, Inc., a leading company in the semiconductor equipment industry. His work at Applied Materials has positioned him as a key player in the development of advanced etching technologies.

Collaborations

Throughout his career, Dean Li has collaborated with notable colleagues, including Pavel Ionov and Sung Ho Kim. These partnerships have contributed to the success of his innovative projects and patents.

Conclusion

Dean Li's contributions to semiconductor etching technologies have made a significant impact on the industry. His innovative methods and collaborations continue to drive advancements in semiconductor manufacturing processes.