Yeong-Song Yen

Title: Yeong-Song Yen: Innovator in Photolithography and Gap-Filling Processes

Introduction

Yeong-Song Yen is a prominent inventor based in Taipei, Taiwan. He has made significant contributions to the field of semiconductor manufacturing, particularly in photolithography and gap-filling processes. With a total of 3 patents, his work has advanced the technology used in the production of integrated circuits.

Latest Patents

One of Yeong-Song Yen's latest patents is a photolithography process with multiple exposures. This innovative process involves placing and aligning a photomask above a wafer with a photoresist at a predetermined distance. Multiple exposures are performed sequentially on the photoresist through the photomask, each with an optimized illuminating setting for the photomask's duty ratio. This method achieves optimum through-pitch performance for pattern transfer from the photomask to the photoresist, followed by a development process on the photoresist.

Another significant patent is the gap-filling process. In this process, a substrate with a dielectric layer is utilized, which contains an opening. A gap-filling material layer is formed over the dielectric layer and inside the opening. A portion of this material is then removed to expose the dielectric layer. The surface treatment of the gap-filling material layer and the dielectric layer is conducted to ensure a high degree of planarity for any subsequently formed bottom anti-reflection coating or material layer.

Career Highlights

Yeong-Song Yen is currently associated with United Microelectronics Corporation, a leading company in the semiconductor industry. His work has been instrumental in enhancing the efficiency and effectiveness of semiconductor manufacturing processes.

Collaborations

Throughout his career, Yeong-Song Yen has collaborated with notable colleagues, including I-Hsiung Huang and Jiunn-Ren Hwang. These collaborations have contributed to the advancement of technologies in their respective fields.

Conclusion

Yeong-Song Yen's innovative contributions to photolithography and gap-filling processes have significantly impacted the semiconductor industry. His patents reflect a commitment to advancing technology and improving manufacturing processes.