We aim for further high performance and high functionality of flat antennas.
Information and Communication Technology (Saitama University Research Seed Collection 2025-27 p.75)
Keywords: planar antenna, multi-band, wideband, miniaturization, variable characteristic technology, waveguide antenna, electromagnetic field simulation, antenna measurement
We are engaged in the research and development of planar antennas for microwave and millimeter-wave applications, which are key devices in wireless communication technology. The microstrip antenna, a representative example of planar antennas, is widely used because it can be easily fabricated using printed circuit board processing technology. In our laboratory, we are working on enhancing the functionality and performance of microstrip antennas through multi-band, wideband, miniaturization, and characteristic variable technologies using semiconductor elements. We are also advancing research on a new planar array antenna that combines waveguide slot antennas and planar antennas, which demonstrate high gain and high efficiency characteristics in the quasi-millimeter to millimeter wave range. Our research is being promoted from both electromagnetic field simulation and experimental perspectives.
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Yuichi Kimura, Associate Professor Graduate School of Science and Technology, Department of Mathematical and Electronic Information, Field of Electrical and Electronic Physics 【Recent Research Themes】 ● Wideband and multi-band planar antennas applicable to 5G systems ● Frequency-variable antennas, directional control antennas, and polarization-sharing/switching antennas using semiconductor devices ● New planar array antennas combining waveguides and planar antennas
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【Appeal Points to the Industry】 ● We address challenges related to antenna analysis, design, measurement, electromagnetic field simulation, and other electromagnetic wave issues. ● We conduct research and development on various types of planar antennas. ● We are working on further enhancing the performance and functionality of microstrip antennas. ● We are developing a new combination of waveguides and planar antennas that are high-gain and high-efficiency in the quasi-millimeter to millimeter wave bands. 【Examples of Practical Applications, Use Cases, and Utilization】 ● Various planar antennas that can be easily manufactured using printed circuit boards. ● High-gain planar array antennas for BS broadcasting reception. ● Simple waveguide planar antennas that can be assembled with screws.
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Electromagnetic field simulator
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The Saitama University Open Innovation Center is a center that functions as a liaison office for industry-academia-government collaboration. It consists of three departments: the Industry-Academia-Government Collaboration Department, the Intellectual Property Department, and the Startup Support Department, each staffed with coordinators well-versed in various fields. The center's activities include solving technical challenges in companies, supporting the implementation of joint research, and conducting technology transfer aimed at introducing and utilizing Saitama University's intellectual property.