Wu Ping Liu

Title: **Innovator Profile: Wu Ping Liu**

Introduction

Wu Ping Liu, a prominent inventor based in Singapore, has made significant contributions to the semiconductor industry. With a total of four patents to his name, Liu's innovations focus on enhancing semiconductor device fabrication processes. His expertise and creativity have paved the way for advancements in technology.

Latest Patents

Liu's latest patents reveal his cutting-edge approach to semiconductor technology. One of his inventions, titled "Interconnects with Improved TDDB," presents a novel method for forming semiconductor devices. This patent describes a technique involving a substrate with a dielectric layer, where he implemented a first upper etch stop layer made from a specific dielectric material. The process is enhanced by the formation of interconnects filled with conductive material, ensuring coplanar top surfaces that optimize performance.

Another noteworthy patent is his "Polishing Method with Inert Gas Injection." This inventive polishing process employs a unique polishing composition that creates a gaseous phase, dynamically adapting to changes in the surface profile during polishing. The increased inert gas bubble density reduces the polishing rate in specific areas, leading to uniformly smooth and flat surfaces independent of the substrate's pattern density. These advancements significantly improve the efficiency and quality of semiconductor manufacturing.

Career Highlights

Wu Ping Liu has worked with notable companies in the semiconductor sector, including GlobalFoundries Singapore Pte. Ltd. and International Business Machines Corporation (IBM). His experience in these prestigious organizations has contributed to his deep understanding of semiconductor technology and the processes involved in device fabrication.

Collaborations

Throughout his career, Liu has collaborated with talented engineers and inventors, including Lawrence Alfred Clevenger and Jing Li. These partnerships have allowed for the exchange of ideas and innovations, leading to advancements in the field of semiconductor technology.

Conclusion

Wu Ping Liu exemplifies the spirit of innovation in the semiconductor industry. His patents not only address current challenges in semiconductor fabrication but also set the stage for future technological advancements. As a dedicated inventor, Liu's contributions are shaping the future of technology, ensuring efficient and high-quality semiconductor devices for various applications.