Wen-Jun Zhang

Title: Innovations of Wen-Jun Zhang in Cubic Boron Nitride Technologies

Introduction

Wen-Jun Zhang is a prominent inventor based in Hong Kong, CN. He has made significant contributions to the field of materials science, particularly in the development of cubic boron nitride (cBN) technologies. With a total of 2 patents, his work has the potential to impact various advanced applications.

Latest Patents

Wen-Jun Zhang's latest patents include a method of fabrication of cubic boron nitride conical microstructures. This innovative method involves forming a conical structure of cBN on a diamond layered substrate through several steps, including the formation of diamond nuclei, growing a diamond film, and depositing a cBN film. The resulting cBN structure has promising applications in probe analytical techniques, microelectromechanical systems (MEMS), and nanoelectromechanical systems (NEMS).

Another notable patent is related to surface acoustic wave (SAW) devices based on cBN/diamond composite structures. This device utilizes a piezoelectric layer of cBN directly deposited on a diamond hard layer. The high sound velocity and low velocity dispersion between the cBN and diamond materials enhance the performance of the SAW device, allowing it to operate at ultra-high frequency ranges.

Career Highlights

Wen-Jun Zhang is affiliated with the City University of Hong Kong, where he continues to advance research in materials science. His innovative approaches to cBN technologies have positioned him as a key figure in the field.

Collaborations

Wen-Jun Zhang collaborates with esteemed colleagues, including Shuit-Tong Lee and You-Sheng Zou. Their combined expertise fosters a dynamic research environment that drives innovation.

Conclusion

Wen-Jun Zhang's contributions to cubic boron nitride technologies exemplify the intersection of innovation and practical application. His patents reflect a commitment to advancing materials science, with implications for various high-tech industries.