Tohoku University Technology: Compact and low-cost inductor element: T20-3071
New inductor element using spintronics technology
An inductor is known as an element that uses the induced electromotive force generated in a coil to stabilize the current in circuits. Circuit elements used in small electronic devices require miniaturization, but there is a fundamental limit for conventional inductors due to a physical restriction. This invention uses the principle of induction in spintronics physics, as the inventors have shown, that inductance emerges in uniform magnetic materials as a result of spin-orbit interaction, where any “twists” are not required like conventional coils or magnetic structures. This technology offers various inductor elements that are low-cost, stable against temperature variation, and capable of miniaturizing.
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The revenue generated from technology transfer is reinvested into universities and researchers as new research funding, which is used to create further research outcomes. To ensure the smooth operation of this cycle, known as the "Intellectual Creation Cycle," we will actively promote technology transfer. The types of seeds we handle include patents, know-how, databases, and programs. We have established a collaborative framework by concluding basic technology transfer agreements with the following universities (as of April 1, 2026): - 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 - Showa Medical University - Asahikawa Medical University
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