Joseph Cheung-Sang Tsang

Title: Joseph Cheung-Sang Tsang: Innovator in Semiconductor Technology

Introduction

Joseph Cheung-Sang Tsang is a notable inventor based in Ellicott City, MD (US). He has made significant contributions to the field of semiconductor technology, holding a total of 2 patents. His work focuses on enhancing the performance and reliability of semiconductor devices.

Latest Patents

Tsang's latest patents include a high-temperature transistor designed to reduce the risk of electromigration. This innovation addresses the issue of electromigration in the source and drain conductors of semiconductor devices by increasing the cross-sectional areas of these conductors in accordance with the magnitude of current. This advancement enables semiconductor devices to operate efficiently at high temperatures. Another significant patent is for a rugged CMOS output stage design. This design features a rugged MOS output stage transistor with a third region formed adjacent to the drain region. This third region is doped to have a polarity opposite the drain, forming an output protection diode that minimizes the risk of latch-up in the transistor. This concept can be applied to both NMOSFET and PMOSFET as well as CMOS output stages.

Career Highlights

Joseph Tsang is currently employed at AlliedSignal Inc., where he continues to innovate in the semiconductor field. His work has had a profound impact on the design and functionality of semiconductor devices, making them more robust and reliable.

Collaborations

Tsang collaborates with various professionals in his field, including his coworker John Burt McKitterick. Their combined expertise contributes to the advancement of semiconductor technology.

Conclusion

Joseph Cheung-Sang Tsang is a distinguished inventor whose contributions to semiconductor technology have paved the way for more efficient and reliable devices. His innovative patents reflect his commitment to enhancing the performance of electronic components.