Tsun-Tsai Chang

Title: Tsun-Tsai Chang: Innovator in Photodiode and MOSFET Technologies

Introduction

Tsun-Tsai Chang is a prominent inventor based in Hsinchu, Taiwan. He has made significant contributions to the field of semiconductor technology, particularly in photodiodes and MOSFET structures. With a total of 6 patents to his name, Chang continues to push the boundaries of innovation in his field.

Latest Patents

One of his latest inventions is a photodiode structure that incorporates a mask to reduce leakage current. This innovative design features a first conductive type substrate and at least one isolation region. The structure includes a doped second conductive type region, strategically placed at a distance from the neighboring isolation region, with a mask layer covering a peripheral strip near the edge of the isolation region to expose the doped region.

Another notable patent is the buried contact structure, which facilitates the formation of a contact between the source/drain region of a MOSFET and a polysilicon conducting line. This structure is designed to enhance connectivity by ensuring that the polysilicon conducting line, formed on a field oxide region, extends onto the surface of the semiconductor substrate near the source/drain region.

Career Highlights

Tsun-Tsai Chang is currently employed at United Microelectronics Corporation, a leading company in the semiconductor industry. His work has significantly impacted the development of advanced semiconductor devices, showcasing his expertise and innovative spirit.

Collaborations

Chang has collaborated with notable colleagues, including Ming-Tsung Liu and Chen-Chung Hsu. These partnerships have fostered a collaborative environment that enhances the innovation process within the company.

Conclusion

Tsun-Tsai Chang is a distinguished inventor whose work in photodiode and MOSFET technologies has made a lasting impact on the semiconductor industry. His innovative patents and collaborations reflect his commitment to advancing technology and improving device performance.