Chia-Kung Chang

Title: Chia-Kung Chang: Innovator in Color Image Sensor Technology

Introduction

Chia-Kung Chang is a notable inventor based in Hsin-Chu, Taiwan. He has made significant contributions to the field of semiconductor technology, particularly in the development of methods for enhancing the performance of color image sensor cells. With a focus on protecting critical components during fabrication processes, Chang's innovative approaches have the potential to impact various applications in imaging technology.

Latest Patents

Chang holds a patent for a "Method of protecting a bond pad structure of a color image sensor cell during a color filter fabrication process." This invention details a process that effectively shields a bonding pad structure from exposure to alkaline developer solutions, which are utilized for defining color filter elements as well as opening contact holes. The patent introduces a passivation layer consisting of a silicon nitride layer on top and a silicon oxide layer underneath the bonding pad structure. By implementing this protective passivation layer, the bond pad structure is safeguarded, thereby preventing staining and discoloration from the alkaline solutions. This innovation not only enhances the bond pad's mechanical properties but also improves its bondability, ensuring reliable performance in color image sensors.

Career Highlights

Chia-Kung Chang is currently affiliated with Taiwan Semiconductor Manufacturing Company Limited, a leader in the semiconductor manufacturing industry. His expertise in semiconductor processes has allowed him to contribute valuable intellectual property that advances the field. The acknowledgment of his patent showcases his dedication to improving fabrication techniques in color image sensor technology.

Collaborations

Throughout his career, Chang has collaborated with notable colleagues, including Chia-Mei Huang and Chao-Yi Lan. These partnerships reflect a collective effort to innovate and enhance the manufacturing processes within the semiconductor sector, highlighting the importance of teamwork in achieving groundbreaking advancements.

Conclusion

Chia-Kung Chang’s contributions to the field of color image sensor technology underscore the significance of innovative processes in semiconductor manufacturing. His patent not only protects vital components during fabrication but also pushes the boundary of what is achievable in imaging technology. As the industry continues to evolve, Chang’s work exemplifies the impactful role of inventors in shaping its future.