David Ki Wai Cheng

Title: David Ki Wai Cheng: Innovator in Microwave Technology

Introduction

David Ki Wai Cheng is a prominent inventor based in Hong Kong, CN. He has made significant contributions to the field of microwave technology, holding a total of 2 patents. His innovative work focuses on developing advanced identification tags and magnetic materials.

Latest Patents

One of Cheng's latest patents is a chipless microwave identification tag. This tag comprises a dielectric substrate and a plurality of antenna elements made from a conductive material. When the tag is excited by an incident microwave signal, it generates a reflected wave to identify the tag, with specific frequencies altered by microwave resonation of the antenna elements. Another notable patent is for a magnetic core made of a composite magnetic material. This core has a relative permeability of between 1 and 29 at a frequency range from 20 kHz to 2.5 MHz. The composite material consists of cobalt and nickel particles, bound by a polymer base to form a core.

Career Highlights

Cheng is affiliated with The Hong Kong Polytechnic University, where he continues to advance his research and innovation in microwave technology. His work has garnered attention for its practical applications in various industries.

Collaborations

Cheng collaborates with notable colleagues, including Ka Wai Eric Cheng and Chak Yin Tang, contributing to a dynamic research environment.

Conclusion

David Ki Wai Cheng is a distinguished inventor whose work in microwave technology is paving the way for future innovations. His patents reflect a commitment to advancing technology and enhancing practical applications in the field.