Qin Lei

Title: Qin Lei: Innovator in Semiconductor and Transducer Technology

Introduction

Qin Lei is a notable inventor based in Chandler, Arizona, recognized for his contributions to semiconductor technology and electromagnetic acoustic transducers (EMAT). With two patents to his name, he has made significant strides in designing circuits and systems that enhance performance in various applications.

Latest Patents

Qin Lei's latest patents reflect his expertise in innovative electronic solutions. The first patent details a switching circuit featuring a Group III nitride-based semiconductor body. This circuit comprises a monolithically integrated half-bridge configuration that operates efficiently at voltages exceeding 300 V. The design aims to optimize the performance of transistor devices on a common substrate with uniform doping levels.

His second patent focuses on a power supply specifically designed for EMAT sensors. This advanced system includes a DC/DC converter to increase input DC voltage, a DC/AC inverter built with Silicon Carbide (SiC) MOSFET power switches, and an output filter to convert the AC square voltage into a sinusoidal output. This innovation provides vital output power to EMAT sensors, enhancing inspection capabilities for various parts.

Career Highlights

Throughout his career, Qin Lei has worked with leading companies such as Ulc Robotics, Inc. and Infineon Technologies Austria AG. His roles in these organizations have allowed him to collaborate on cutting-edge technologies and apply his inventive skills to real-world challenges in the engineering field.

Collaborations

Collaboration has been key to Qin Lei’s success. He has worked alongside skilled colleagues such as Junjun Xin and Hyeongnam Kim, contributing to innovative projects and sharing knowledge that has advanced their respective areas of expertise within the industry.

Conclusion

Qin Lei stands out as an accomplished inventor in the field of semiconductor technology and electromagnetic systems. His innovative patents not only demonstrate his technical prowess but also pave the way for future advancements in electrical engineering. His contributions continue to resonate within the industries he has served, highlighting the critical role inventors play in shaping modern technology.