Chih-Shen Hung

Title: Innovations of Chih-Shen Hung in High Aspect Ratio Metal Etching

Introduction

Chih-Shen Hung is a notable inventor based in Hsin-Chu, Taiwan. He has made significant contributions to the field of semiconductor technology, particularly in the area of high aspect ratio etching. His innovative approaches have paved the way for advancements in ultra-large scale integrated chips.

Latest Patents

Chih-Shen Hung holds a patent for a method titled "Film scheme to solve high aspect ratio metal etch masking layer." This patent addresses the challenges of high aspect ratio etching (HARE) of metal layers in quarter micron technology. The method employs a tungsten W-hardmask with a high selectivity of 10:1 concerning the underlying aluminum-copper metal layer. This innovation helps maintain lithographic integrity by using an overlying organic BARC to prevent reflections, thereby improving lithographic resolution.

Career Highlights

Chih-Shen Hung is currently associated with Taiwan Semiconductor Manufacturing Company Limited, where he continues to contribute to cutting-edge semiconductor research and development. His work focuses on enhancing the reliability and resolution of metal etching processes, which are crucial for the production of advanced integrated circuits.

Collaborations

Chih-Shen has collaborated with esteemed colleagues such as Wen-Hsiang Tang and Yi-Fei Wang. Their combined expertise has further advanced the research and development efforts within their field.

Conclusion

Chih-Shen Hung's innovative contributions to high aspect ratio metal etching have significantly impacted semiconductor technology. His work exemplifies the importance of innovation in advancing the capabilities of integrated circuits.