Sung Chul Chang

Title: Innovations by Sung Chul Chang

Introduction

Sung Chul Chang is an accomplished inventor based in Riverbank, California. He has made significant contributions to the field of semiconductor technology, holding two patents that showcase his innovative approach to enhancing semiconductor device performance.

Latest Patents

Chang's latest patents include a process for mounting spring contacts to semiconductor devices. This process involves providing a plurality of free-standing resilient contact structures, known as spring elements, which are mounted to a surface of a carrier substrate. The carrier substrate is then attached to a semiconductor device or one or more unsingulated semiconductor dies. The bond pads of the semiconductor device are connected to the spring elements through bond wires that extend between the bond pads and terminals associated with the spring elements. This innovative design allows for resilience and compliance, enabling effective pressure connections to the semiconductor device. Another notable patent is for a chip-scale carrier for semiconductor devices, which also incorporates mounted spring elements. This design similarly connects the bond pads of the semiconductor device to the spring elements, ensuring robust connections and enhancing the overall functionality of the semiconductor devices.

Career Highlights

Sung Chul Chang is currently employed at FormFactor, Inc., where he continues to develop cutting-edge technologies in the semiconductor industry. His work has significantly impacted the efficiency and reliability of semiconductor devices, making him a valuable asset to his company and the field.

Collaborations

Chang has collaborated with notable colleagues, including Igor Y Khandros and William D Smith. These partnerships have fostered an environment of innovation and creativity, further advancing the technologies they work on.

Conclusion

Sung Chul Chang's contributions to semiconductor technology through his patents and collaborations highlight his role as a leading inventor in the field. His innovative processes and designs continue to shape the future of semiconductor devices.