Yung-Hsiang Chang

Title: Yung-Hsiang Chang: Innovator in Wafer Stacking Technology

Introduction: Yung-Hsiang Chang is a prominent inventor based in Hsinchu, Taiwan. He has made significant contributions to the field of semiconductor manufacturing, particularly through his innovative approaches to wafer stacking methods. His work has implications for improving the efficiency and effectiveness of semiconductor devices.

Latest Patents: Yung-Hsiang Chang holds a patent for a wafer stacking method. This method involves several steps, starting with the provision of a first wafer. A second wafer is then bonded to the first wafer to create a first wafer stack structure. Following this, a first edge defect inspection is conducted on the structure to identify any edge defects and measure the distance from the edge of the structure to the defect. A trimming process is then performed to remove the defect, ensuring that the width of the trimming is sufficient to cover the defect.

Career Highlights: Yung-Hsiang Chang is associated with Powerchip Semiconductor Manufacturing Corporation, where he applies his expertise in semiconductor technology. His innovative methods have contributed to advancements in the industry, enhancing the performance and reliability of semiconductor products.

Collaborations: Yung-Hsiang Chang has worked alongside notable colleagues, including Yu Chi Chen and Chun-Lin Lu. Their collaborative efforts have furthered research and development in semiconductor technologies.

Conclusion: Yung-Hsiang Chang's contributions to wafer stacking methods exemplify the importance of innovation in the semiconductor industry. His work not only addresses current challenges but also paves the way for future advancements in technology.