Yu-Ching Liao

Title: Innovations of Yu-Ching Liao in Solid-State Image Sensors

Introduction

Yu-Ching Liao is a notable inventor based in Hsinchu County, Taiwan. He has made significant contributions to the field of semiconductor technology, particularly in the development of solid-state image sensors. With a total of two patents to his name, Liao's work has advanced the capabilities of image sensing technology.

Latest Patents

Liao's latest patents include a solid-state image sensor with a pillar surface microstructure and a method of fabricating the same. This innovative method involves forming a second type doped semiconductor layer and a semiconductor material layer sequentially on a first type doped semiconductor substrate to create a photoelectric conversion portion. The process also includes forming a multilayer structure on the semiconductor material layer, where the refractive index gradually decreases from the bottom layer to the top layer. Additionally, a photolithography process is performed to create multiple micro pillars that protrude from the semiconductor material layer, enhancing the sensor's performance.

Another patent focuses on a solid-state image sensor with pixels that include a photoelectric conversion portion made of a second type doped semiconductor layer and a semiconductor material layer. This design features an anti-reflective portion with multiple micro pillars, which are isolated by recesses extending into the photoelectric conversion portion. The refractive index of the micro pillars also decreases from bottom to top, optimizing the light-receiving capabilities of the sensor.

Career Highlights

Yu-Ching Liao is currently employed at Powerchip Semiconductor Manufacturing Corporation, where he continues to innovate in the semiconductor industry. His work has been instrumental in enhancing the performance and efficiency of solid-state image sensors.

Collaborations

Liao collaborates with talented colleagues, including Shih-Ping Lee and Yi-Ping Lin, who contribute to the advancement of their projects and research initiatives.

Conclusion

Yu-Ching Liao's contributions to solid-state image sensor technology demonstrate his expertise and commitment to innovation in the semiconductor field. His patents reflect a deep understanding of the complexities involved in image sensing, paving the way for future advancements in this critical area of technology.