Tohoku Univ. Technology : Multilayer structure and its manufacturing method : T24-027
A mathematical model was constructed to determine the pattern of nanofluid flow in droplets and the structure of deposited nanoparticle layer.
Recently, nanomaterials, including nanofluids and polymer nanocomposite materials, have been extensively investigated. These materials have diverse applications, such as conductive nano-inks, solar cells, and sensors. In contrast, Inkjet technology offers several advantages, including a simple device configuration, high flexibility in material combination, low environmental impact due to on-demand production, and scalability. These attributes have driven growing interest in printed electronics technology, which applies this technique to the fabrication of electronic circuits and devices. The present invention enables quantitative evaluation of characteristic patterns that emerge in nanofluid droplets ejected from an inkjet nozzle and adhered to a substrate. By developing a mathematical model governing droplet wetting behavior, it became feasible to design flow patterns within nanofluid droplets and nanoparticle patterns deposited on a substrate. Furthermore, a measurement technique for nanofluid droplets has been successfully developed. (See T24-030).
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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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