Yi-Shiang Chang

Title: Yi-Shiang Chang: Innovator in Semiconductor Technology

Introduction

Yi-Shiang Chang is a prominent inventor based in Changhua County, Taiwan. He has made significant contributions to the field of semiconductor technology, holding a total of three patents. His work focuses on enhancing the efficiency and effectiveness of photolithography processes, which are crucial in semiconductor manufacturing.

Latest Patents

One of Yi-Shiang Chang's latest patents is titled "Method of detecting photolithographic hotspots." This invention discloses a method for detecting photolithographic hotspots by conducting an aerial image simulation after receiving layout data. The process involves extracting aerial image intensity indices and generating various aerial image detectors based on these indices. The value of these detectors is then verified to determine the position and type of photolithographic hotspots.

Another notable patent is "Semiconductor circuit structure and process of making the same." This invention outlines a comprehensive process that includes providing a substrate with a target layer and a hard mask layer. It details the steps of forming patterned core body groups, applying a spacer material layer, and conducting multiple etching processes to achieve the desired semiconductor circuit structure.

Career Highlights

Yi-Shiang Chang is currently employed at Powerchip Technology Corporation, where he continues to innovate in semiconductor technology. His expertise and inventions have contributed to advancements in the industry, making him a valuable asset to his company.

Collaborations

Throughout his career, Yi-Shiang Chang has collaborated with notable colleagues, including Chia-Chi Lin and Meng-Feng Tsai. These collaborations have fostered a creative environment that encourages innovation and the development of cutting-edge technologies.

Conclusion

Yi-Shiang Chang's contributions to semiconductor technology through his patents and collaborations highlight his role as a leading inventor in the field. His work continues to influence the industry and pave the way for future innovations.