Tohoku Univ. Technology: Liquid Crystal Reflect Arrays for Electromagnetic Wave : T23-078
LC device eliminates coverage hole in millimeter wave communication
・ At millimeter wave communication, there is a concern about increasing coverage hole which is area where the communication becomes impossible. ・ Therefore, installing the reflect array for all over city that can control the direction of electromagnetic wave is proposed. ・ A conventional reflect array composed of liquid crystal (LC) has problem of slow response. ・ In the invention, reduction of response time is achieved by forming a stripe electrode on substrate which can be applied vertical and horizonal electric field. ・ The invention is not only expected to apply for reflect arrays, but also phase modulators and phased array antennas.
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The revenue generated from technology transfer is reinvested as new research funding for universities and researchers, and is utilized to create further research outcomes. To ensure the smooth operation of this cycle, known as the "Intellectual Creation Cycle," we will vigorously promote technology transfer. The types of seeds we handle include patents, know-how, databases, and programs. We have established a collaborative framework by signing basic technology transfer agreements with the following universities (as of June 1, 2025): Tohoku University, Hirosaki University, Iwate University, Akita University, Fukushima University, Yamagata University, Tohoku Gakuin University, Iwate Medical University, Fukushima Medical University, Aizu University, Miyagi University, Hokkaido University, Muroran Institute of Technology, and Showa Medical University.
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