Company Filing History:
Years Active: 1998-1999
Title: The Innovations of Ji-Dong Dai
Introduction
Ji-Dong Dai is a prominent inventor based in Kanata, Canada, known for his significant contributions to the field of surface wave devices. With a total of five patents to his name, Dai has made remarkable advancements that enhance the functionality and efficiency of these devices.
Latest Patents
One of Ji-Dong Dai's latest patents is a method of making surface wave devices. This innovative approach involves forming conductors on the surface of a piezoelectric material using a conductor pattern defined by exposing photoresist via a reticle. The method allows for the creation of surface wave devices with sub-micron linewidths, which are essential for filtering at increased frequencies. Another notable patent is for surface wave device balun resonator filters. This device comprises first and second single-phase unidirectional transducer (SPUDT) resonator filters, which are designed to provide a phase difference of 180 degrees. The arrangement of these filters on a common piezoelectric substrate allows for improved signal connections.
Career Highlights
Throughout his career, Ji-Dong Dai has worked with notable companies such as Northern Telecom Limited and Nortel Networks Corporation. His experience in these organizations has contributed to his expertise in the development of advanced technologies in the telecommunications sector.
Collaborations
Ji-Dong Dai has collaborated with several talented individuals in his field, including Yufeng Xu and John Choo Saw. These collaborations have fostered innovation and have led to the successful development of various technologies.
Conclusion
Ji-Dong Dai's contributions to the field of surface wave devices demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of technology and its applications, making him a significant figure in the industry.