Zhenghong Qian

Title: Innovations of Zhenghong Qian

Introduction

Zhenghong Qian is a notable inventor based in Eden Prairie, MN (US). He has made significant contributions to the field of magnetic sensing technology, holding a total of four patents. His work focuses on developing high-performance, cost-effective, and compact magnetic sensor devices.

Latest Patents

One of Zhenghong Qian's latest patents is a three-axis magnetic sensor. This apparatus is designed to be processed into a single chip, which enhances its performance while reducing costs and size. The three-axis magnetic sensor includes a substrate, a two-axis magnetic sensing structure, and a single-axis sensing structure. The two-axis sensing magnetic structure consists of two shielded Wheatstone bridge configurations along with an annular or semi-annular magnetic flux-guiding structure. The single-axis sensing structure features a push-pull Wheatstone bridge combined with a flux guide that generates a fringe field proportional to the vertical component of an external magnetic field. Together, these structures can measure the X, Y, and Z components of external magnetic fields.

Another significant patent is the two-axis magnetic field sensor. This sensor utilizes a ferromagnetic thin-film design with two sensitive direction sensing structures. Each structure has a nonmagnetic intermediate layer with a magnetization reference layer on one side and an anisotropic ferromagnetic material sensing layer on the other. The magnetization reference layer is oriented parallel to the substrate, while the other is perpendicular, allowing for precise sensing capabilities.

Career Highlights

Zhenghong Qian has worked with NVE Corporation, where he has contributed to advancements in magnetic sensor technology. His experience in the industry has allowed him to refine his inventions and bring innovative solutions to market.

Collaborations

Zhenghong Qian has collaborated with notable professionals in his field, including Dexin Wang and James M Daughton. These collaborations have further enhanced his research and development efforts.

Conclusion

Zhenghong Qian's contributions to magnetic sensing technology through his patents demonstrate his innovative spirit and commitment to advancing the field. His work continues to influence the development of compact and efficient sensor devices.