Shaohua Zhang

Title: Innovations of Shaohua Zhang in Power Device Technology

Introduction

Shaohua Zhang is a prominent inventor based in Hangzhou, China, known for his significant contributions to power device technology. With a total of seven patents to his name, Zhang has made remarkable advancements in the field, particularly in the design and manufacturing of bidirectional power devices.

Latest Patents

One of Zhang's latest patents is titled "Bidirectional power device and method for manufacturing the same." This invention discloses a bidirectional power device that includes a semiconductor layer, multiple trenches within the semiconductor layer, a gate dielectric layer on the inner walls of the trenches, a control gate at the lower portion of each trench, a shield gate at the upper portion, and an isolation layer between the control and shield gates. The device enhances voltage withstand properties by depleting charges in the source and drain regions when turned off. When activated, it provides a low-impedance conduction path, improving efficiency. Another notable patent is the "Method for manufacturing power device," which outlines a process for creating a power device with stable blocking voltage and reduced on-resistance. This method involves forming doped regions on a semiconductor substrate to create charge compensation structures that enhance the device's reliability.

Career Highlights

Zhang has worked with notable companies such as Hangzhou Silan Microelectronics Co., Ltd. and Hangzhou Silan Integrated Circuit Co., Ltd. His experience in these organizations has allowed him to refine his expertise in semiconductor technology and power devices.

Collaborations

Zhang has collaborated with esteemed colleagues, including Yongxiang Wen and Yulei Jiang, contributing to various projects that advance the field of power electronics.

Conclusion

Shaohua Zhang's innovative work in power device technology has led to significant advancements in the industry. His patents reflect a deep understanding of semiconductor design and manufacturing processes, positioning him as a key figure in the field.