Location History:
- Hong Kong, CN (2009)
- Ontario, CA (2011)
Company Filing History:
Years Active: 2009-2011
Title: Innovations by Kar Man Leung
Introduction
Kar Man Leung is a notable inventor based in California, recognized for his contributions to advanced materials and devices. He holds two patents that showcase his expertise in nanotechnology and acoustic wave devices. His work has significant implications for various industries, including electronics and materials science.
Latest Patents
Leung's latest patents include an ultrahard multilayer coating comprising nanocrystalline diamond and nanocrystalline cubic boron nitride. This multilayer coating is composed of two chemically different layered nanocrystalline materials, nanodiamond and nano-cubic boron nitride. The structure and fabrication sequence of this layered structure are disclosed in his patent. The base layer is preferably nanodiamond, serving as an accommodation layer on a pretreated substrate. The thickness of the layers can be engineered for specific applications, enhancing the performance of the coating.
Another significant patent involves surface acoustic wave (SAW) devices based on cubic boron nitride and diamond composite structures. This SAW device utilizes a diamond hard layer that includes various forms of diamond, while the cubic boron nitride film serves as the piezoelectric layer. The innovative fabrication methods employed in this device allow for improved performance and operation at ultra-high frequency ranges.
Career Highlights
Kar Man Leung is affiliated with the City University of Hong Kong, where he continues to advance his research and development efforts. His work has garnered attention for its potential applications in high-performance materials and devices.
Collaborations
Leung collaborates with esteemed colleagues, including Shuit-Tong Lee and Igor Bello, who contribute to his research endeavors. Their combined expertise enhances the innovative outcomes of their projects.
Conclusion
Kar Man Leung's contributions to the fields of nanotechnology and acoustic wave devices highlight his role as a leading inventor. His patents reflect a commitment to advancing technology and improving material performance.